Test engineer jobs in Torrance, California - Page 6Create job alerts

Principal Software Engineer Torrance, California, United States About Epirus Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques that allow power-hungry systems to do more with less. Job Summary: This is an exciting role in an innovative company. The ideal candidate for the position is someone who has experience developing high-performance real-time, autonomous software systems to rapidly develop next-generation products. Employ your expertise by developing software systems that support functions such as autonomous target tracking, agile electronic beam-forming, and real-time hardware control. Responsibilities: • Design and implement software of embedded devices and systems from requirements to production and deployment, • Design, develop, code, test, and debug system software, • Build real-time control software for a variety of projects, • Analyze and enhance the efficiency, stability and scalability of system resources, • Direct software QA and optimize I/O performance, • Interface with hardware design and development, • Assess third-party and open-source software, • Lead teams to create minimum viable products from an idea, • Derive software frameworks and architectures to accelerate development, • 5+ years of development in C and C++, • 3+ years working with embedded systems, • Additional experience with one or more modern systems language(s): Python, Java, VHDL, Verilog, Go, Rust, etc., • Versed in multithreaded design (concurrency primitives, resource management, etc.), • Competent in computer science concepts (algorithms, data structures, object-oriented programming, etc.), • Strong foundations in mathematics and linear algebra, • Adequate knowledge of reading schematics and data sheets for components, • Bachelor's degree in computer science or a similar discipline, Master's degree preferred, • 2+ years of experience with Xilinx FPGA and Embedded Cortex CPU architectures, • Experience building software for real-time operating environments with specific latency requirements, • Experience with Embedded Linux and/or software integration with FPGA firmware, • Knowledge or experience with digital signal processing (DSP) or radio frequency (RF) technologies, • User experience with DevOps Pipeline tools, • Experience with Docker or Helm, • Scrum Master Certification, • Desire to mentor new hires As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. For the state of California only, the range of starting pay for this role is: $194,000 - $204,000 USD

Job Title- Senior Test Engineer Location - Torrance,CA Pay Rate - $70 Interacts with other engineering groups to define, document, analyze, perform, and interpret tests for products, systems, components, or modifications. Identifies functional problems and suggests resolutions. Assists in the definition of internal quality control standards and the maintenance of reliability programs. Analyzes test cases and provides regular progress reports. May require a bachelor's degree and 4-6 years of experience in the field or in a related area. Familiar with a variety of the field's concepts, practices, and procedures. Relies on extensive experience and judgment to plan and accomplish goals. Performs a variety of tasks. May lead and direct the work of others. A wide degree of creativity and latitude is expected. Typically reports to a supervisor or manager. Top 3-5 Must Have Skills • Bachelors degree in Mechanical Engineering, Aerospace Engineering, Systems Engineering or related discipline, • Minimum 4 years of technical experience transferable to designing mechanical and test facility systems required to test pneumatic, hydraulic, refrigeration, heat exchangers, high-speed turbo-machinery components or systems, • Minimum 4 years of Project Engineering or Project Management experience. About Acro: Acro Service Corporation is a global professional services and contract staffing company that has provided IT, Engineering, and Professional services/ personnel to major corporations. Acro values diversity in our workforce and is an Affirmative Action & Equal Opportunity Employer. Acro is also committed to hiring veterans and offers sponsorship opportunities

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. LEAD SOFTWARE ENGINEER, FULL STACK - TOP SECRET CLEARANCE As a Lead Software Engineer in Special Programs, you will lead a team of software engineers to design, develop, and test key aspects of software solutions that support the exploration and validation of future technologies used in all SpaceX flight systems. You will have full ownership of the direction and delivery of a suite of scalable, high-performance web applications that span the design, build, test and operations pipeline for cutting-edge innovations that will expand SpaceX's capabilities in ground and space systems. This is a high-impact role where you will work across the engineering groups to build a high-throughput distributed system to develop and demonstrate cutting-edge software and hardware. Aerospace experience is not required to be successful here - rather, we look for smart, motivated software engineers who enjoy taking on complex challenges, work well in dynamic environments, and care about software best practices. Our software is critical to future mission successes, and we have no shortage of interesting challenges that require innovative, cutting-edge solutions. RESPONSIBILITIES: * Own the outcomes and delivery of a software engineering team contributing to full stack software solutions used for analysis, prototypes, ground software and operator user interfaces in support of flight systems * Manage technical results, performance evaluations and professional growth for all your reports * Develop and maintain a roadmap with clear, achievable short-term and long-term goals * Work closely with customer and SpaceX teams to ensure that operational use cases & task analyses are clearly & efficiently implemented in an intuitive and modern UI/UX * Foster a culture of excellence, emphasizing high-quality work, peer support, and cross-functional collaboration * Identify and eliminate roadblocks, empower team ownership, and motivate individuals to succeed * Lead architecture discussions, design decisions, and code reviews * Ensure adherence to software development processes and industry best practices * Oversee all phases of software development, from design and implementation to testing, mission integration, and operations BASIC QUALIFICATIONS: * Bachelor's degree in computer science, mathematics, computer engineering, or electrical engineering * 5+ years of experience in full stack software development * Experience with JavaScript or TypeScript libraries including either React or Lit * Professional experience developing applications using programming languages such as Python, Rust or C++ * 1+ years of experience with database systems such as Postgres, MySQL, or Oracle * 1+ years of professional leadership experience * Active Top-Secret, Top-Secret SCI, or DOE Level Q clearance PREFERRED SKILLS AND EXPERIENCE: * Expert knowledge of JavaScript and Python * Demonstrated focus and interest in designing, architecting, and implementing excellent, high-quality software * Experience with highly available concurrent systems * Experience with high-performance computing systems * Experience with automated build and test frameworks such as Bamboo, Ansible, and Jenkins * Experience with containerized solutions such as Docker and Kubernetes * Experience with developing intuitive, web-based UI/UX to manage critical operations. * Experience with working with US government counterparts to convert operational needs & requirements into a full stack software solution. * Professional experience with Linux or Unix systems and tools * Strong skills in debugging, performance optimization, data throughput analysis and unit testing * Strong creative and innovative problem-solving skills * Ability to work effectively in a dynamic environment by quickly adapting to changing needs and requirements * Able to work well in an integrated engineering environment, including frequent interactions with engineers and managers of other engineering disciplines * Professional experience managing a team of software engineers ADDITIONAL REQUIREMENTS: * This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment. While the clearance may not be immediately necessary upon hire, we encourage you to initiate the application process promptly upon accepting this offer. Your ability to secure the necessary clearance is essential for fulfilling key responsibilities of the role. Should you be unable to obtain it, SpaceX reserves the right to modify or terminate your employment to align with operational needs. * Note that an active clearance may provide the opportunity for you to work on sensitive SpaceX missions; if so, you will be subject to pre-employment drug and random drug and alcohol test * Must be willing to travel (approximately 10%) to other SpaceX locations, as necessary * Able to work extended hours and weekends when necessary to support proposal or critical project timelines COMPENSATION AND BENEFITS: Pay Range: Lead Software Engineer: $160,000.00 - $225,000.00/per year. Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Those with an active clearance will receive a 10% differential, up to an additional $20,000 annually, once officially briefed into a classified program. Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law. ITAR REQUIREMENTS: Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to .

Performs and coordinates test design, development, and/or analysis functions on advanced and complex engineering test projects. Advanced Test Engineer assumes the role of a test lead in planning, coordinating, and executing projects and programs. Plans and performs engineering test programs and uses

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. SOFTWARE ENGINEER, FLIGHT SOFTWARE (STARSHIP) SpaceX's Starship spacecraft and Super Heavy rocket (collectively referred to as Starship) represent a fully reusable transportation system designed to carry both crew and cargo to Earth orbit, the Moon, Mars and beyond. Starship will be the world's most powerful launch vehicle ever developed, with the ability to carry in excess of 100 metric tons to Earth orbit. As a Sr. Software Engineer on the Starship Software team, you will design, develop, and test software that is used to both control and simulate SpaceX flight systems. You will engage with other SpaceX software and hardware engineers to implement and debug software at all layers of our stack – application, operating system, networking, firmware, simulation – to achieve the mission. Aerospace experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving problems and want to make an impact on a super inspiring mission. RESPONSIBILITIES: * Develop highly reliable autonomous software systems and the simulations required to validate them * Own all aspects of software development, including design, testing, and integration to the mission * Work with counterpart engineering teams to develop and maintain launch and vehicle software, crossing all required software domains necessary to implement and verify control of the pad, ship, and booster to meet mission objectives * Define and lead impactful projects that enable the mission of Starship * Continuously improve software standards and software engineering best practices within Starship Software BASIC QUALIFICATIONS: * Bachelor's degree in computer science, engineering, math, or science discipline and 4+ years of experience in software development; or 6+ years of professional experience in software development in lieu of a degree * 4+ years of experience C++, Python, or Rust PREFERRED SKILLS AND EXPERIENCE: * Proven skills and knowledge of C++, Rust, or other systems programming language * Experience building or working with real-time embedded systems or distributed computing systems * Experience designing fault tolerant software * Strong skills in debugging, performance optimization, and unit testing * Thorough knowledge of computer architecture and networking * Basic knowledge of electronics, controls, fluid systems, motor design, or physical mechanics * Creative approach to first-principles problem solving * Ability to work independently and in a team, take initiative, and communicate effectively ADDITIONAL REQUIREMENTS: Pay range: Software Engineering/Senior: $160,000.00 - $225,000.00/per year Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law. ITAR REQUIREMENTS: Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to .

Title : Software Engineer-Systems 5 Location: El Segundo, CA- Onsite Salary Range: $100/hr to 110/hr on W2 Contract Duration : 12+ Months with possibility to extension Introduction The * Company is looking for multiple Software Systems Engineers to join the Ground Software Engineering team located in El Segundo, CA. This position will focus on supporting the * Defense, Space & Security (BDS) Satellite Systems Software Engineering organization. Our team creates the software tools and services for the world's highest performing satellite/ground systems for USG and Commercial customers. We work with space customers in the development of the next generation ground systems. This is an opportunity to work in a rapid development environment using modern technology, architecture, and tools. Our team works within an agile methodology using a CI/CD environment; integrated with automated testing, vulnerability, & quality scanning capabilities. At The *** Company, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can contribute to work that matters with a company where diversity, equity and inclusion are shared values. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Required Skills & Qualifications • Bachelor's Degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science and 14 years of related work experience OR Bachelor's Degree and 18 years of directly related work experience OR 22 years of related, relevant experience, • Requires the ability to obtain a DoD Secret Clearance (interim prestart, final post start), for which the US Government requires US Citizenship, • Experience with systems engineering or software development on space-based or ground-based systems, • Experience leading software development projects, • Experience with software development using either Java, C, or Python, • Experience with Flight Dynamics / Orbital Analysis or Satellite Management Systems or Ground control management, • Prior work experience at client or in client's Industry, • Applicants must be able to work directly for Artech on W2 Preferred Skills & Qualifications, • Experience as a Product Owner/Technical Lead, • Experience with database technologies (SQL/NoSQL), messaging systems (e.g., Kafka, ActiveMQ), and data streaming technologies (e.g., CCSDS), • Familiarity with containerization tools (e.g., Docker, Kubernetes) and orchestration platforms, • Experience designing and implementing CI/CD pipelines in GitLab to automate testing, builds, and deployment workflows, • Experience with various formal acceptance testing activities (e.g., Formal Qualification Test -FQT, Factory Acceptance Test - FAT, Site Acceptance Test - SAT), • Active TS/SCI or DoD Top Secret clearance Day-to-Day Responsibilities, • Develop and maintain requirements, architecture, algorithms, interfaces, and design for high-performance Command and Control (C2) software solutions, • Lead software development activities in the scaled agile methodology utilizing a DevSecOps environment, • Support progress demonstration presentations to customer representatives and program/IPT leadership, • Perform day-to-day activities in the areas of Product Owner/Technical Leadership, Architecture, Design and Direction of software product(s), • Support IPT by implementing a structured approach to defining and meeting a development and integration schedule alongside a rigorously managed cost baseline Company Benefits & Culture, • Innovative and collaborative environment, • Commitment to diversity, equity, and inclusion

Role: Software Engineer Location: Redondo Beach, CA ( Onsite) Employment type: Contract to Hire Responsibilities • Develop high-quality C++ software in a fast-paced, agile environment using Red Hat Enterprise Linux (RHEL) virtual machines, servers, and workstations., • Design, implement, and unit test new software capabilities based on Mathematical Algorithm Requirements (MARs)., • Analyze discrepancy reports (DRs), identify root causes, and implement and transition software fixes., • Collaborate closely with software Integrated Product Team (IPT) subject matter experts (SMEs) and senior engineers across multiple software subsystems. Minimum Qualifications, • Four additional years of relevant software engineering experience may be considered in lieu of a degree., • Advanced object-oriented programming skills with strong proficiency in C++., • Experience working with the Red Hat Enterprise Linux (RHEL) operating system., • Strong problem-solving, troubleshooting, and decision-making skills. Preferred Qualifications, • Experience with DevSecOps and test automation frameworks., • Proficiency in additional programming or scripting languages such as C, Java, Python, or Perl., • Strong background in mathematics and algorithm development., • Excellent communication and interpersonal skills, with the ability to collaborate effectively across engineering, management, and stakeholder teams., • Experience working on Agile or Scrum teams, or strong familiarity with Agile development practices., • Familiarity with the Atlassian tool suite, including Jira, Confluence, Bitbucket, and Bamboo., • Experience developing software in a Linux environment using Git.

Bachelor’s degree in mechanical engineering, Aerospace Engineering, Systems Engineering, or related discipline. Performs and coordinates test design, development, and/or analysis functions on advanced and complex engineering test projects. Advanced Test Engineer assumes the role of a test lead in

Job DescriptionAbout Us At Arbor Energy & Resources Corporation ("Arbor Energy"), we're creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we're applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. If you share our values and are drawn to rigorous work with lasting impact, we'd love to learn more about you. Come build what the future will run on. Steward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it. Lead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor. Explore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity. Role Overview We're seeking a Mechatronics Engineer to drive the design, development, and optimization of high-pressure solids feed and removal systems—critical systems enabling reliable biomass delivery and ash management in our novel high-pressure gasification platform for carbon-negative power cycles. In this role, you'll own end-to-end development of robust, high-reliability solids handling hardware in a fast-paced, collaborative startup environment. From conceptual design and mechatronic integration through prototyping, testing, rapid iteration, and validation, you'll deliver solutions that ensure continuous, clog-free operation under extreme pressure and temperature conditions. You'll collaborate closely with gasification, test, and controls engineers, providing technical expertise on critical decisions to accelerate progress while maximizing system uptime, flexibility, and overall carbon impact. Responsibilities • Own the design, analysis, and integration of high-pressure solids feed (e.g., lock hoppers, screw feeders) and removal (e.g., ash extraction, filtration) systems, • Develop mechatronic solutions combining mechanical design, actuation, sensing, and control logic for reliable solids transport in harsh environments, • Perform sizing calculations, 3D modeling, structural/FEA analysis, and flow modeling for solids handling components and assemblies, • Plan, execute, and analyze solids flow tests and integrated high-pressure test campaigns, driving rapid learning and iteration, • Lead hardware development cycles—from detailed design and procurement through manufacturing, assembly, commissioning, and performance upgrades, • Leverage additive manufacturing, modern actuators/sensors, and automation tools to accelerate innovation and improve system robustness, • Propose and implement continuous improvements to eliminate bottlenecks, enhance safety, and increase operational reliability Requirements, • Bachelor's degree in Mechanical, Mechatronics, Aerospace Engineering, or related field, • 3+ years of hands-on experience designing, building, and testing solids handling, feeding, or conveyance systems (preferably under high pressure/temperature), • Strong expertise in mechanical design, actuation, sensing, controls integration, and materials selection for abrasive/corrosive environments, • Proficiency with 3D CAD (SolidWorks/NX preferred), FEA, and GD experience generating fabrication drawings and BOMs, • Proven ability to own technical development of complex hardware from concept through validation in fast-paced settings, • Demonstrated track record of delivering reliable mechatronic systems with minimal downtime, • Curious, inventive, and entrepreneurial mindset—thrives in ambiguity and drives practical solutions forward Preferred Qualifications, • Advanced degree (M.S. or Ph.D.) in Mechanical or Mechatronics Engineering, • Experience with high-pressure systems in rocket propulsion, gasifiers, pneumatic conveying, lock hopper systems, or similar, • Hands-on experience integrating PLCs, sensors, and control loops for automation, • Proficiency in programming/scripting for data analysis, automation, or control (Python, MATLAB, Ladder Logic, etc.), • Background in startup or agile hardware development environments Compensation & Benefits, • Pre-IPO stock options, • Medical, dental, and vision insurance (Arbor covers 90% for employees), • Basic life insurance fully covered, • Health savings account (HSA) with matching, • Flexible savings account (FSA), • Unlimited PTO, • 12+ company holidays, including Earth Day!, • 401(k), • Commuter benefits, • Annual learning and development stipend Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.

Electrical Engineering for a well established full service firm (Direct hire) This Jobot Job is hosted by: Bill Artiga Are you a fit? Easy Apply now by clicking the "Apply" button and sending us your resume. Salary: $80,000 - $100,000 per year A bit about us: This team has delivered award-winning architectural and engineering solutions for both public and private sector clients across: Aerospace, Commercial and Industrial giants, Correctional and Government Facilities, Educational Institutions and Healthcare Facilities to name a few. They pride themselves in strong relationships that create long standing partnerships. Why join us? • Competitive compensation, • 401k match, • Bonus potential, • Full benefits (medical, dental, vision), • PTO, • Sick pay, • Ability to work on fun and challenging projects, • Career advancement Job Details We are seeking a highly skilled and motivated Permanent Electrical Engineer to join our dynamic and innovative engineering team. The successful candidate will play a pivotal role in designing, developing, testing, and supervising the manufacturing of electrical equipment. This includes electric motors, radar and navigation systems, communications systems, and power generation equipment. This role will require a deep understanding of electrical engineering principles, along with a creative mindset to innovate and solve complex problems. Responsibilities: 1. Design, develop, and test electrical equipment and systems, ensuring they meet customer specifications and safety standards., 2. Work closely with project managers to design and implement electrical systems for commercial and industrial projects., 3. Utilize Bluebeam, AutoCAD, and other design software to create detailed electrical designs and schematics., 4. Develop and maintain utility plans, panel schedules, and lighting design., 5. Handle high voltage systems, ensuring their safety and efficiency., 6. Collaborate with other engineers and designers to identify potential issues and devise solutions., 7. Prepare and present technical reports, project updates, and design proposals to stakeholders., 8. Stay updated on industry trends, technology, codes, and standards., 9. Oversee and supervise the installation and maintenance of electrical systems., 10. Conduct inspections to ensure adherence to safety regulations. Qualifications: 1. Bachelor’s degree in Electrical Engineering or a related field. A Master’s degree or Professional Engineer (PE) license will be an added advantage., 2. A minimum of 5 years of experience in electrical engineering, specifically in commercial and industrial sectors., 3. Proficiency in using design software such as Bluebeam and AutoCAD., 4. Experience in managing high voltage systems, utility plans, panel schedules, and lighting design., 5. Strong understanding of electrical manufacturing processes and electrical systems safety standards., 6. Excellent problem-solving, analytical, and critical thinking skills., 7. Strong communication and presentation skills., 8. Ability to work effectively in a team and independently., 9. Willingness to stay updated with the latest industry trends and advancements., 10. Ability to manage multiple projects simultaneously and meet deadlines. This is an exciting opportunity for a Permanent Electrical Engineer who wants to be part of a team that values innovation, creativity, and quality. If you have a passion for electrical engineering and a drive to create and improve electrical systems, we would love to hear from you. Interested in hearing more? Easy Apply now by clicking the "Apply" button. Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot’s policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions. Sometimes Jobot is required to perform background checks with your authorization. Jobot will consider qualified candidates with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the Los Angeles Fair Chance Initiative for Hiring and the San Francisco Fair Chance Ordinance. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: jobot.com/privacy-policy

A defense technology company is seeking a Development Test Engineer to validate products through rigorous testing. The role includes designing test plans, working closely with engineers, and requires a Bachelor's in Mechanical Engineering and 5+ years of relevant experience. This position offers a u

Job DescriptionDescriptionAs a Mechanical Engineer at Impulse for our Vehicle Engineering Team, you will own all aspects of the design, analysis, build, test and integration of flight hardware – working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership of pressurized and/or unpressurized structures in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Design, analyze, build, test, and document innovative structures; example systems include primary structure weldments, tank internal fluid/structural devices, payload attachment fittings, and stage propulsion/avionics integration hardware, • Steer system definition, layout, requirements, and verification, • Support first article build through the ramp to production in collaboration with the manufacturing team, rolling in DFM and reliability improvements, • Support development and qualification test campaigns in collaboration with the test team, creating test plans to gather key learnings and demonstrate flightworthiness, • Establish driving load cases and environments in collaboration with the loads/dynamics and thermal teams, • Collaborate effectively with partner teams (such as propulsion, avionics, and GNC) to create a high performing, integrated system Minimum Qualifications • Bachelor’s degree in Mechanical Engineering or related field, • 5+ years demonstrated experience designing and analyzing structural aerospace hardware, • Strong knowledge of strength and stability hand calculations for structural sizing and model validation, • Strong understanding of mechanics of materials, material failure modes, and associated analysis methods, • Familiarity with a wide set of manufacturing processes such as machining, welding, forming, and joining methods, • Proficiency with CAD software and assembly management, • Demonstrated experience working collaboratively across different teams, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • Master’s degree in Mechanical Engineering or related field, • 7+ years of demonstrated experience designing and analyzing highly performant structures with space-flown hardware, • Experience with aerospace aluminum welding, inspection, and allowables development, • Experience with composite primary or secondary structure design, analysis, and testing, • Experience with payload accommodations, testing, and validation, • Experience with structural testing, validation, and correlation methods, • Experience working on a launch vehicle development effort, • Experience in a startup or agile development environment Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

A leading defense solutions company in El Segundo, CA is seeking a Program Test Systems Engineer. Ideal candidates will have significant experience in systems engineering, test evaluation, and must possess strong interpersonal skills. The role involves developing test strategies and leading technica

Job DescriptionAbout Us At Arbor Energy & Resources Corporation ("Arbor Energy"), we're creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we're applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. If you share our values and are drawn to rigorous work with lasting impact, we'd love to learn more about you. Come build what the future will run on. Steward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it. Lead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor. Explore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity. Role Overview We're looking for a Combustion Analysis Engineer to perform fluid, thermal, and structural analyses on our novel combustion systems—bringing high-performance engineering to the fight against climate change. You'll work closely with combustion engineers and designers to inform and accelerate development using advanced simulation tools, algorithmic workflows, and additive manufacturing. Your work will help bridge modeling and reality through system integration and hot-fire test validation. Responsibilities • Perform CFD, transient thermal, and structural analyses on combustion hardware., • Collaborate with combustion and mechanical engineers to develop practical, testable designs., • Use integrated system models to inform design direction and support performance prediction., • Help anchor simulation results with hot-fire test data and iterate models accordingly., • Contribute to a fast-paced, collaborative team with a focus on climate-impactful technology. Requirements, • Bachelor's degree in Mechanical, Aerospace, or related Engineering field., • 3+ years of experience in fluid dynamics, CFD, structural and transient thermal analysis., • Strong foundation in compressible and incompressible fluid mechanics., • Experience with ANSYS Mechanical or similar analysis suites., • Proficient in Python, MATLAB, or similar scripting tools for automation and post-processing., • Strong ownership mentality and eagerness to work collaboratively in a small, dynamic team. Preferred Qualifications, • 5+ years of experience in propulsion or combustion analysis., • Master's or Ph.D. in Mechanical or Aerospace Engineering., • Experience working in startup or agile development environments., • Familiarity with conjugate heat transfer simulations., • Interest in or ability to lead and grow a small analysis team over time. Compensation & Benefits, • Pre-IPO stock options, • Medical, dental, and vision insurance (Arbor covers 90% for employees), • Basic life insurance fully covered, • Health savings account (HSA) with matching, • Flexible savings account (FSA), • Unlimited PTO, • 12+ company holidays, including Earth Day!, • 401(k), • Commuter benefits, • Annual learning and development stipend Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.

Job DescriptionAbout Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028. About the role Radiant is seeking a highly motivated and detail-oriented Control Systems Engineer to join our team. In this role, you will be responsible for designing, implementing, and validating nuclear reactors as well as developing, maintaining, executing, and automating test cases across the full testing lifecycle for our reactor control systems. You will collaborate closely with systems engineers, controls developers, and software teams to ensure the highest quality and reliability in safety-critical control software. A strong foundation in model-based design, software testing methodology, and control systems theory is essential to succeeding in this role. Responsibilities & Duties * Develop control algorithms, embedded software, and analytic models to derive and flow down requirements to components and subsystems. * Analyze and review control system Simulink models and design artifacts to understand system behavior, control logic, and closed-loop performance. * Evaluate and validate auto-generated code via Simulink Coder or Embedded Coder, ensuring traceability between model behavior and deployed software. * Interpret reactor control system requirements to develop comprehensive test coverage across functional and non-functional requirements. * Develop and maintain test artifacts, including unit, SiL, HiL, and hardware test cases. * Execute test cases across the full testing spectrum: unit, SiL, HiL, and hardware testing. * Automate testing workflows for SiL, HiL, and hardware test cases using Python, Go (Golang), or MATLAB. * Design and implement Simulink Test harnesses, including signal builder inputs, baseline comparisons, and coverage analysis. * Apply software testing best practices — equivalence partitioning, boundary value analysis, and requirements-based testing — to control system verification. * Run structured test campaigns including regression suites; document results with metrics, pass/fail criteria, and issues. * Collaborate with controls developers and systems engineers on root cause analysis and defect resolution. * Contribute to the continuous improvement of test processes, frameworks, and tools. Required Qualifications & Skills * Bachelor's degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, Computer Science, or a related discipline. * 3+ years of experience with Simulink/MATLAB, including dynamic system models and model-based design workflows. * 1+ years of experience in controls engineering. * Strong understanding of control systems fundamentals: closed-loop architectures, feedback control, and state-space or transfer function representations. * 3+ years of experience in unit, integration, SiL, HiL, and system testing. * Proficiency in test automation scripting (e.g., Python, Golang, or similar). * Hands-on experience with Simulink Test: test sequencing, coverage measurement, and baseline comparison workflows. * Excellent analytical skills, attention to detail, and strong written and verbal communication. Desired Qualifications & Skills * Experience with safety-critical or regulated systems (e.g., aerospace, automotive, energy). * Experience with Simulink Coder or Embedded Coder and validating generated code against model behavior. * Familiarity with version control (e.g., Git) and CI/CD pipelines for model-based design. * Prior exposure to automated test frameworks, hardware interfaces, and real-time data capture. * Background in PID tuning, gain scheduling, or other control design techniques for embedded or real-time systems. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission * Must work 100% onsite at El Segundo HQ Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $124,500 - $172,725

Job DescriptionDescriptionAs a Structural Dynamics Engineer at Impulse, your core responsibility will be to determine and validate loads and environments for full vehicles and component subsystems. You will work closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Determine critical loads during launch, deployment, on-orbit operation, and ground handling, • Generate and apply forcing functions for engine-borne dynamic excitation, • Determine appropriate environments from vibration, acoustic, and shock sources, • Develop and improve finite element models of primary structures and mechanisms, • Develop and integrate Craig-Bampton reduced models for launch vehicle integration, • Generate rigid-body deployment simulations and validate with deployment testing, • Analyze and direct dynamic testing from pre-test analysis to post-test correlation, • Bachelor’s degree in mechanical or aerospace engineering, • 4+ years of demonstrated experience with structural dynamic analysis of high performance systems, • Proficient with at least one industry standard structural FEA package (Femap/Patran/NASTRAN, ANSYS, Abaqus, etc.), • Demonstrated experience solving structural dynamic or vibration driven problems, • Demonstrated experience with time and frequency domain analysis, • Demonstrated proficiency with Matlab, Python or similar applications, • Demonstrated proficiency with CAD software and the ability to learn new tools, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • A graduate degree (MS / PhD) in engineering or related field working with numerical methods, • 6+ years hands-on experience with dynamic structural testing, including: random vibration, acoustics, sine vibration, sine burst, shock, and modal survey, • Hands-on experience with sensor selection, test parameter selection, and data analysis, • Working knowledge of launch vehicle loads, • Demonstrated experience with acoustic vibration analysis software such as VA One, • Demonstrated experience working on a launch vehicle or satellite development effort, • Previous experience in a startup or agile development environmentAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Senior Manufacturing Engineer Radiant is seeking a highly motivated senior manufacturing engineer who will be working closely with design engineers to innovate on the production of complex mechanisms and structures critical to our microreactor technology. You will ensure reliable, safe, quality, and delivery of the Kaleidos demonstration unit that will test in 2026 at the Idaho National Lab and be instrumental to testing the first new reactor design in over 50 years. Responsibilities and Duties: * Responsible for the manufacturing and inspection process for critical components and assemblies within the Kaleidos microreactor. * Partner with design engineers to develop innovative production methods for complex mechanisms and structures. * Develop, qualify, and refine manufacturing processes to meet all design and business requirements including safety, quality, efficiency, and delivery. * Develop and execute manufacturing specifications and fabrication instructions. * Manage manufacturing bill-of-materials (mBOM) for components and assemblies. * Identify and develop appropriate suppliers for component sourcing and fabrication. * Identify, plan, and execute capital equipment, machine, and layout upgrades to meet evolving production requirements. * Drive initiatives for continuous improvement in manufacturing processes and product quality. Required Skills and Qualifications: * Bachelor’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline. * 4+ years of experience with manufacturing of mechanical products in a production environment, preferably in high-tech or energy sectors. Desired Skills and Qualifications: * Master’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline. * Experience with machining and ancillary operations such as milling, turning, grinding, EDM of materials. * Experience with interpreting engineering drawings and models, Geometric Dimensioning & Tolerancing (GD&T). * Experience with inspection systems including manual gauges and coordinate-measuring machine (CMM). * Experience with non-destructive testing/non-destructive evaluation (e.g. fluorescent penetrant inspection, radiography, eddy current). * Experience with custom machine design; electromechanical systems, motors, actuators, linear rails, bearings, lifting/rigging, etc. * Experience with design of multi-component assemblies in CAD (NX or similar). * Strong problem-solving skills and attention to detail. * Self-motivated with strong organizational, written, and oral communication skills. * Demonstrated ability to work collaboratively with design and operations teams. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $133.5K - $184.8K

Job DescriptionAbout Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028. About the Role Radiant is seeking an experienced Senior Software Engineer to design and implement robust software systems that power our reactor simulation and Digital Twin capabilities. In this role, you will serve as a key technical contributor on a high-performing team, owning the architecture, tooling, and infrastructure—including evaluation and integration of frameworks, third-party software, and simulation tools—that enables our simulation engineers to model, test, and validate reactor systems—accelerating our path to commercialization. Responsibilities and Duties * Implement and contribute to software architecture for simulation systems across thermal, hydraulic, and nuclear reactor multi-physics models. * Collaborate with and support simulation engineers developing reactor and subsystem physics models. * Build and maintain software infrastructure to support Digital Twin simulation, visualization, and data processing capabilities. * Contribute to the technical roadmap for thermal and safety analysis simulation. Develop and execute strategies for model tuning as models and frameworks evolve. * Drive technical excellence by following and reinforcing best practices for simulation software development, code quality, and testing standards. * Evaluate and recommend third-party software tools, open source libraries, and simulation frameworks for adoption by the team. * Collaborate cross-functionally with Hardware, Nuclear, and Electrical engineering teams to accelerate software-in-the-loop and hardware-in-the-loop testing capabilities. * Contribute to the delivery of mission-critical internal simulation products while ensuring sustainable development practices and technical debt management. * Support team growth through knowledge sharing and contributing to a high-performance engineering culture. Required Qualifications * Bachelor's degree in physics, mechanical engineering, computer science, or a similar field. * 5+ years of professional software engineering experience with significant depth in high performance computing (HPC), computational science, Machine Learning, or a related advanced computing field. * Expert-level proficiency in programming languages such as Python, Rust, or C/C++. * Strong background in 3rd party simulation tools, physics-based modeling, numerical methods, or computational science with proven ability to execute technical strategy. * Proficiency with visualization frameworks, open source platforms, and automated testing approaches for scientific software. * Strong foundation in software engineering best practices, including version control, code review, and CI/CD pipelines. * Proven ability to deliver high-quality hands-on technical contributions within a collaborative team environment. Preferred Qualifications * Advanced degree (Master's or Ph.D.) in physics, computer science, mechanical engineering, or a similar field. * Experience contributing to simulation or computational modeling, parallel computing, or high-performance computing projects. * Background with modern simulation frameworks, finite element analysis, or computational fluid dynamics tools. * Experience with Machine Learning, Deep Learning, or other probabilistic modeling techniques. * Experience in highly regulated industries (aerospace, defense, automotive, nuclear, or medical devices). Work Environment * Must work 100% onsite at El Segundo HQ. * Must be willing to work extended hours and weekends as necessary to accomplish our mission. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $158,000 - $219,450

Job Description Systems Integration Engineer Radiant is seeking a driven Systems Engineer to manage the integration of reactor hardware with customer requirements and regulation. This role is critical to bringing the world’s first portable nuclear microreactor to commercialization in a timely manner. The ideal candidate will bring strong program management skills to interact directly with all engineering disciplines, influencing the full hardware lifecycle by providing critical feedback to guide design of future reactors. At the same time this person will interact directly with customers to understand their requirements and demands, representing those interests internally while also negotiating to ensure a streamlined and thoughtful regulatory path is obtained. This role requires someone who can think both pragmatically and analytically, who enjoys technical work and operational execution. Responsibilities: * Evaluate and understand system and component designs to assess regulatory compliance and ability to meet customer requirements. * Interpret regulatory requirements and communicate them internally to achieve compliance or seek exemptions when necessary * Participate in design and technical reviews, organize data inputs into papers and deliverable reports * Collaborate across departments to organize regulatory deliverables and documentation * Manage multiple tasks concurrently to keep projects and deliverables on schedule Required Skills and Qualifications: * Undergraduate degree in engineering * 2+ years of full-time experience with engineering problem solving in design, analysis, or test of systems * Experience with complex hardware and processes related to manufacturing, integration, testing or operations * Applied understanding of requirement derivation, negotiation and verification or experience with the product design process especially as it relates to defining systems, interfaces and specifications. * Ability to convey complex technical information at succinctly and clearly for different audiences (executive, engineer, non-technical) * Comfortable communicating difficult messages and negotiating while maintaining long term collaboration Desired Skills and Qualifications: * Experience with Systems Engineering, Mission Integration, Design Engineering or Manufacturing Engineering. * Full product life cycle experience with hardware that has seen production. * Ability to apply fundamental engineering principles Additional Requirements: * Must be willing to work extended hours and weekends as necessary to accomplish our mission * Must work 100% onsite at Radiant’s El Segundo headquarters Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $85,500 - $122,325

Create test frameworks to manage multiple devices and complex test sequences. Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related discipline. Ensure PCB designs comply with DFT (Design for Test) and DFM (Design for Manufacturing) guidelines.

A technology incubation firm is seeking a highly skilled Test System Engineer in Torrance, CA. Candidates should have a relevant engineering degree and 4-8 years of experience in automated testing and PCB design. This hybrid role involves designing automated test systems to validate advanced power d

A power management solutions company located in Torrance, CA is seeking a highly skilled Test System Engineer. A Bachelor's or Master's degree along with 4–8 years' experience in automated test systems is required. The ideal candidate will design automated test systems, work hands-on in R&D, and e

Develop T&E strategy, Test and Evaluation Master Plan (TEMP), requirement verification and test plans, test objectives, test methodology, and evaluation criteria. ENSCO is seeking an ESS Test and Evaluation Engineer to join a systems engineering team defining the next generation of space communicati

Develop T&E strategies, Test and Evaluation Master Plan (TEMP) content, verification plans, test objectives, test procedures, and evaluation criteria. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Spa

Job Description Lead Stress Engineer - Build and Scale Structural Analysis for Advanced Composite Systems Hawthorne, CA | On-site Opportunity Summary Join a well-funded, early-stage advanced manufacturing company developing next-generation composite materials and production methods. The team is focused on enabling high-performance parts to be produced at significantly higher speeds and lower costs than traditional approaches, unlocking new capabilities across aerospace, defense, and energy systems. As the first dedicated Stress Engineer, you will establish and own the structural analysis function from the ground up. This role sits at the intersection of simulation, design, testing, and manufacturing. You will define methodologies, build modeling capabilities, and directly influence how novel composite materials are applied to demanding, real-world systems. Your work will shape both product performance and long-term technical strategy. About Us We are a venture-backed, early-stage engineering team building scalable manufacturing solutions for advanced composite materials. With strong financial backing and a focus on rapid iteration, we are developing new ways to design, validate, and produce high-performance components for critical applications. The team is small, highly technical, and focused on building foundational capabilities that will scale with the business. Job Duties • Own and develop structural analysis capabilities for composite materials and components, • Build, validate, and refine finite element models for novel material systems, • Guide design decisions through simulation insights, including geometry optimization and material selection, • Design and implement mechanical testing strategies across coupons, subcomponents, and full systems, • Oversee and support execution of structural testing and validation efforts, • Perform failure analysis and root cause investigations to improve performance and reliability, • Collaborate cross-functionally with design, manufacturing, and test teams to align analysis with real-world constraints, • Contribute to product development, requirements definition, and technical decision-making, • Support customer-facing technical discussions and contribute to broader engineering strategy, • Help establish scalable processes, tools, and best practices for simulation and validation Qualifications • U.S. Person status required due to regulatory considerations, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or a related field, • 5+ years of experience in structural analysis of composite materials, • Proven experience developing and refining FEA models for complex or novel materials, • Strong understanding of composite behavior, failure modes, and structural optimization, • Experience selecting, implementing, and validating simulation tools and workflows, • Ability to design and interpret mechanical test programs, • Hands-on experience with failure analysis and root cause investigation, • Proficiency in CAD tools, including creation of parts, assemblies, and drawings with GD&T, • Strong problem-solving ability and willingness to operate in a fast-paced, evolving environment, • Comfortable working across teams and communicating technical concepts clearly Preferred Experience • Experience modeling both chopped fiber and continuous fiber composite systems, • Familiarity with Abaqus or similar advanced simulation tools, • Experience with thermal and multiphysics simulations, • Background in composite manufacturing processes, • Experience in aerospace or defense environments, • Exposure to high-load or extreme environment applications, • Experience presenting technical work or business cases to leadership, • Prior experience in small teams or early-stage companies Why Join Us • Opportunity to build and lead a critical engineering function from the ground up, • High ownership and direct impact on product and company trajectory, • Exposure to complex, real-world engineering challenges, • Fast-paced environment with strong opportunities for growth and advancement, • Equity participation and long-term upside Compensation Details $165,000 – $215,000 #LI-AV

Job Description Senior Mechanical Engineer , Fluids Systems Radiant is seeking a highly motivated Senior Mechanical Engineer, Fluids Systems to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor core into electrical power. You will be responsible for the following: trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties: * Own end-to-end engineering of fluid systems and components, including compressors, valves, and heat exchangers. * Perform complex thermal and fluids analysis to drive design decisions, verify system performance, and ensure structural integrity using first-principle hand calculations and finite element tools. * Perform trade studies to optimize system and meet program requirements. * Develop and execute manufacturing/assembly instructions and test plans. * Create and manage a Bill-Of-Materials (BOM). * Find and develop suppliers for all components * Own subassembly design, manufacturing, and test schedules. * Own risk analysis (FMEA) for subsystems. * Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication. Required Qualifications & Skills * Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering. * Experience with fluid system architecture design. * 4+ years of experience in designing, building, and testing fluids systems. * Proficient knowledge in fluid dynamics and thermodynamics. * Proficient knowledge of heat exchanger design and analysis methods. Desired Qualifications & Skills * Knowledge of thermodynamic power cycles. * Prior experience with designing piping system for thermal growth using hand calculations and FEA tools. * Experience with process piping design and testing codes, such as ASME B31.3 and ASME PCC-2. * Prior experience with fluid system modeling via Matlab/Python. * Experienced in design for manufacturability and ramping up hardware build in a production environment. * Experienced in designing and operating test stands. * Takes extreme ownership of work and a high degree of responsibility. * Excellent communication across multidisciplinary teams. * Prior nuclear experience in not required for this role. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $139.5K - $224.7K

Job Description Principal Turbomachinery Engineer – Lead the development of next-generation power systems from first principles Hawthorne, CA | On-site Opportunity Summary We are a venture-backed, early-stage energy startup building advanced turbine systems designed to meet the growing demand for efficient and scalable power. The team is rethinking how rotating machinery is designed, developed, and deployed, with a focus on modern engineering approaches and rapid iteration. This role is a core technical leadership position working directly alongside the founding team. You will take ownership of turbomachinery architecture, drive design decisions, and lead development from initial concept through testing and validation. This is a hands-on opportunity to shape both the product and the engineering foundation of the company. About Us We are a small, highly technical team backed by early-stage investors and led by engineers with deep experience in rotating machinery design and development. Our focus is on building high-performance energy systems that address current infrastructure challenges while enabling future power solutions. The team operates with a strong emphasis on speed, ownership, and real-world validation. Job Duties • Lead the design and development of high-speed rotating machinery from concept through validated hardware, • Perform and guide analysis across aerodynamics, thermal systems, structural integrity, and rotordynamics, • Own detailed mechanical design including CAD modeling, material selection, and design for manufacturing and assembly, • Develop and iterate on prototypes, including building and supporting test infrastructure, • Analyze test data to inform design improvements and accelerate development cycles, • Work closely with founders and cross-functional partners to define system architecture and engineering strategy, • Collaborate with external vendors and manufacturing partners to deliver reliable hardware under aggressive timelines, • Establish engineering processes that support rapid iteration and scalable product development Qualifications • Bachelor’s degree or higher in Mechanical Engineering, Aerospace Engineering, or a related field, • 5+ years of experience working with turbomachinery or similar rotating systems such as turbines, compressors, or turbopumps, • Strong foundation in fluid dynamics, thermodynamics, and mechanical system design, • Experience with CAD tools such as NX, SolidWorks, Creo, CATIA, or similar platforms, • Ability to operate effectively in a fast-paced startup environment with high ownership, • Clear communication skills and ability to work across technical and non-technical teams Preferred Experience • Experience with supercritical CO2 or other advanced thermodynamic cycles, • Proven track record of taking rotating machinery from early design through testing and validation, • Background in developing custom test rigs or experimental hardware setups, • Familiarity with high-temperature materials and manufacturing processes, • Prior experience at an early-stage or venture-backed company, • Experience integrating simulation and analysis tools into iterative hardware development workflows Why Join Us • Meaningful equity ownership in an early-stage company, • Opportunity to work directly with technical founders on core product decisions, • High level of ownership and impact across both engineering and company direction, • Exposure to full lifecycle hardware development from concept through deployment Compensation Details $175,000 - $250,000 #LI-AV

Job DescriptionDescriptionAs a Mechanical Engineer II at Impulse for our Vehicle Engineering Team, you are responsible for the design, build, test/analysis & integration of your hardware– working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership of primary/secondary structure and critical space mechanisms in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Own all aspects of hardware development and execution, from concept through launch and orbital maneuvers, • Formulate the comprehensive cradle to grave Road Map for your hardware, • Establish driving loads and develop efficient structural design using first principles to inform critical architecture decisions on primary and secondary structures, • Perform and document analysis with clear objectives to support design intent including hand calculations, finite element analysis, and kinematic analysis, • Identify, specify, and source commercial components to support design intent as required, • Incorporate manufacturing trades into conceptual design to explore different construction methods including machined, formed, welded, composite, or other opportunities, • Proactively guide all aspects of your hardware’s maturity, project managing your hardware’s end users, stakeholders, and adjacent contributors to ensure all aspects of the system continue to mature together and that your assumptions are well understood outside yourself and remain valid, • Communicate effectively to ensure adjacent designs (such as propulsion, electrical, software and controls subsystems) are accounting for and supporting your hardware assumptions, • Produce engineering drawings with required specifications for manufacturing, • Generate Test Plans and provide direct support to ensure successful execution of your hardware’s structural qualification and acceptance testing., • Work with internal manufacturing team and external sources to procure materials, fabricate parts, and complete assemblies, • Update designs and documentation to support continuous improvement Minimum Qualifications • Bachelor's degree in engineering or related field, • 3+ years of demonstrated experience in mechanical design, • Demonstrated proficiency in CAD software with ability to learn new tools, • Demonstrated ability to model complex shapes including lofting and surfacing, • Demonstrated ability in conceptual design, fabrication and testing of hardware, • Demonstrated experience working collaboratively across different teams, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • Masters' degree in mechanical or aerospace engineering, • 1+ years' of demonstrated mechanical design & analysis with space-flown hardware, • 3+ years' of demonstrated understanding of geometric dimensioning & tolerancing (GD&T), • 3+ years' of demonstrated experience with Finite Element Analysis (FEA), • Capable of performing basic structural and thermal analysis in support of design, • In order to be successful in this role, you should be someone who is uniquely creative, self-driven, and is able to lead his or her own projects to completion Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs a Senior Mechanical Engineer at Impulse for our Vehicle Engineering Team, you will own all aspects of the design, analysis, build, test and integration of spacecraft mechanisms – working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership electromechanical hardware in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Design, analyze, build, test, and document innovative moving mechanical assemblies; example systems include but are not limited to rotary actuators, deployable structures, and separation systems., • Steer system definition, layout, requirements, and verification, • Support first article build through the ramp to production in collaboration with the manufacturing team, rolling in DFM and reliability improvements, • Support development, qualification, and acceptance test campaigns in collaboration with the test team, creating test plans to gather key learnings and demonstrate flightworthiness, • Establish driving load cases and environments in collaboration with the loads/dynamics and thermal teams, • Collaborate effectively with partner teams (such as avionics, software, test and GNC) to create a high performing, integrated system, • Bachelor’s degree in Mechanical Engineering or related field, • 5+ years demonstrated experience designing and analyzing spacecraft mechanisms, • Strong knowledge of motors, gearboxes, structures, and electromechanical packaging, • Strong understanding of mechanics of materials, material failure modes, and associated analysis methods, • Familiarity with a wide range of manufacturing processes and alignment techniques utilizing precision tooling and preload control, • Proficiency with CAD software, assembly management, and GD&T, • Demonstrated experience working collaboratively across different teams, • Ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • Master’s degree in Mechanical Engineering or related field, • 7+ years of demonstrated experience designing and analyzing highly performant mechanisms with space-flown hardware, • Experience with structural testing, validation, and correlation methods, • Experience working on a spacecraft vehicle development effort, • Experience in a startup or agile development environment, • Experience with NX, Teamcenter, Ansys and FEMAP Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs a Senior Mechanical Engineer at Impulse for our Avionics Team, you are responsible for the design, build, test/analysis & integration of your hardware - working with cross-functional engineering teams to accomplish this. This means cradle-to-grave ownership of mechanical designs and systems in support of Impulse’s collection of next generation advanced propulsion space vehicles. Responsibilities • Lead full-cycle development of avionics hardware from concept through launch, • Define system-level requirements and drive mechanical design decisions, • Perform detailed analysis of structural dynamics, thermal behavior, vibration, and environmental resilience for avionics components (hand calculations and FEA), • Drive design-for-manufacturability (DFM) and design-for-assembly (DFA) principles across the product lifecycle; engage directly with suppliers to ensure quality and scalability, • Collaborate cross-functionally with electrical, propulsion, GNC, and structural engineering teams to architect integrated solutions that optimize vehicle performance and reliability, • Define and refine build processes; author comprehensive documentation and work instructions, drawings (with GD&T), and build/test plans, • Own and manage the mechanical interface between avionics systems and vehicle structures, ensuring alignment with system-level requirements and constraints, • Support and lead structural and thermal qualification testing, • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a closely related discipline (Master’s preferred), • 5+ years of experience in mechanical design, with a focus on aerospace or high-performance electronics systems, • Advanced proficiency in CAD tools (e.g., NX, Creo, SolidWorks), with demonstrated ability to lead complex assemblies and mentor junior designers, • Deep understanding of precision machining, sheet metal fabrication, and thermal management strategies for avionics enclosures, • Expertise in GD&T, tolerance stack-up analysis, and mechanical reliability under dynamic loads, • Proven ability to communicate complex technical concepts clearly across engineering and manufacturing teams; experience presenting to leadership and external partners, • Masters' degree in mechanical or aerospace engineering, • 7 years' of demonstrated mechanical design & analysis with space-flown hardware, • 4+ years' of demonstrated understanding of geometric dimensioning & tolerancing (GD&T), • 4+ years' of demonstrated experience with Finite Element Analysis (FEA) using FEMAP, Ansys, or similar tools, • Experience with mechanical design in challenging vibration/thermal environments, • In order to be successful in this role, you should be someone who is uniquely creative, self-driven, and is able to lead his or her own projects to completion, • Experience at a startup or agile development environment, • Experience with NX and Teamcenter Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Dragos has an opportunity for a Senior Software Development Engineer in Test (SDET) to join our growing Quality Engineering team and make great contributions to our mission of Safeguarding Civilization. Minimum of 4 years of experience as a Software Development Engineer in a Test role. Excellent com

Job DescriptionDescriptionAs an FPGA engineer at Impulse Space, you will be responsible for taking complex protocols and algorithms and accelerating them into high throughput FPGA blocks. Working closely with RF software engineers you will write libraries to help bridge the gap between fabric acceleration and high-level applications. Your code will not only fly in space but become the backbone for ground systems that will push millions of mission packets per second. Responsibilities • Design and implement all layers of satellite communication modems from DSP blocks to network protocols., • Analyze timing and resource requirements for existing and next generation RF products., • Create end-to-end test harnesses with integrations into CI/CD pipelines., • Work closely with RF software engineers as you design high performance libraries to bridge the gap between FPGA and SOC. Minimum Qualifications • Bachelor’s degree in computer science, electrical engineering, math or other engineering discipline., • 2+ years of professional FPGA development experience., • Experience using Verilog, SystemVerilog, or VHDL., • Experience developing for Xilinx FPGA/SOC products. Preferred Skills and Experience • Experience with Xilinx Vivado and Petalinux tooling., • Demonstrated experience of DSP fundamentals such as filters, and PLLs., • Exposure to fundamentals of satellite communications, encoders, PSK, symbol synchronization., • Experience developing software for embedded systems in C++ or C., • Experience with FPGA block stimulation and test benching. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Mechanical Engineer , Fluids Systems Radiant is seeking a highly motivated Mechanical Engineer, Fluids Systems to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor core into electrical power. You will be responsible for the following: trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties: * Own end-to-end engineering of fluid systems and components, including compressors, valves, and heat exchangers. * Perform complex thermal and fluids analysis to drive design decisions, verify system performance, and ensure structural integrity using first-principle hand calculations and finite element tools. * Perform trade studies to optimize system and meet program requirements. * Develop and execute manufacturing/assembly instructions and test plans. * Create and manage a Bill-Of-Materials (BOM). * Find and develop suppliers for all components * Own subassembly design, manufacturing, and test schedules. * Own risk analysis (FMEA) for subsystems. * Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication. Required Qualifications & Skills * Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering. * Experience with fluid system architecture design. * 2+ years of experience in designing, building, and testing fluids systems. * Proficient knowledge in fluid dynamics and thermodynamics. * Proficient knowledge of heat exchanger design and analysis methods. Desired Qualifications & Skills * Knowledge of thermodynamic power cycles. * Prior experience with designing piping system for thermal growth using hand calculations and FEA tools. * Experience with process piping design and testing codes, such as ASME B31.3 and ASME PCC-2. * Prior experience with fluid system modeling via Matlab/Python. * Experienced in design for manufacturability and ramping up hardware build in a production environment. * Experienced in designing and operating test stands. * Takes extreme ownership of work and a high degree of responsibility. * Excellent communication across multidisciplinary teams. * Prior nuclear experience in not required for this role. Additional Requirements * Must be willing to work extended hours and weekends as necessary to accomplish our mission. * Must work 100% onsite at El Segundo HQ. Benefits and Perks * Stock: Substantial incentive stock plan for all full-time employees. * Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. * One Medical: Sponsored memberships for employees and their dependents. * Vision: 100% top tier plan coverage + 50% for dependents. * Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. * Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits. * 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees. * Daily catered lunch. Free snacks and drinks. * Flexible PTO policy. Remote workday allocation. * Company and team-bonding events, happy hours and in-person camaraderie. * Beautiful El Segundo headquarters close to the Pacific Ocean. Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant. The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: . We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Compensation Range: $107,500 - $150,675

Join a forward-thinking company at the forefront of space defense, where your engineering expertise will directly contribute to national security.

Job DescriptionDescriptionAs a Propulsion Component Engineer you will own all aspects of spacecraft component design from concept to product realization, while working closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Own all aspects of component design from concept to product realization, • Generate detailed CAD models and manufacturing drawings, • Perform fluid, thermal, and structural analysis as required, • Work with the team and external sources to procure materials, fabricate parts, and complete assemblies, • Provide technical support for test operations, • Resolve technical issues with innovative and resourceful solutions Minimum Qualifications • Bachelor’s degree in engineering or science, • 3+ years of experience in valve or component design, • Hands-on experience working with fluid and mechanical systems, • Proficiency in CAD software with ability to learn new tools, • Capable of performing structural and thermal analysis in support of design, • Demonstrated ability in requirements definition, conceptual design, procurement, fabrication, assembly and testing of hardware Preferred Skills and Experience • Experience designing and operating high reliability, high performance hardware, • Experience with on-orbit propulsion components, • Experience in a startup or agile development environmentAdditional Requirements, • Flexible schedule and willing to travel as needed Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs an Embedded Software Engineer your core responsibility will be to write code that runs on custom avionics hardware for executing flight and ground test functions. You will work with avionics hardware engineers, GNC engineers, propulsion engineers, and others to develop performant and maintainable solutions. You will have the opportunity to contribute to many aspects of spacecraft development, including architecting new systems, doing quick prototypes, doing rigorous flight projects, and controlling flight hardware during ground tests. Responsibilities • Implement and improve low-level processor functions such as controls of peripherals, and setup of communication interfaces., • Implement and improve functions such as closed loop control of physical processes, and detection/response algorithms for failures such as broken sensors or radiation upsets., • Provide technical input on new system developments from an embedded software perspective., • Write scrappy code to support development testing of avionics and propulsion devices., • Bachelor's degree in computer science, engineering, math, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree, • Experience using oscilloscopes, logic analyzers, hardware debuggers, and source-level debuggers to troubleshoot problems at all layers of the stack., • Knowledge of and experience with communication protocols including I2C, CAN, SPI, UART, etc., • Knowledge of microprocessors and microcontrollers, with an understanding of components such as caches, buses, memory controllers, and DMA., • Experience developing low-level drivers for camera modules (e.g., MIPI CSI-2, USB, SPI, I2C)., • Understanding of sensor communication protocols and interfacing with custom or commercial image sensors. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs an RF Test Engineer, your core responsibility will be to own the design, bring up, and implementation of test fixtures and software for Impulse Space’s wireless products. You will work with RF engineers, RF software engineers, mechanical engineers, and others to meet test needs across a wide range of capabilities. You may work on uplink and downlink radios up to 32GHz, GNSS receivers, desense testing, and coexistence testing. Responsibilities • Work with a cross-disciplinary team to define and implement RF test requirements, implement RF test software architecture, and design and build RF test hardware fixtures., • Implement scripts to control RF test equipment including spectrum analyzers, network analyzers, antenna test infrastructure, power meters, power supplies, and other devices., • Design and implement fixtures to test design compatibility with GNSS constellations and ground station infrastructure, • Work with hardware and software engineers to prepare testing for radiation and ground station test programs, • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related technical field, • Experience writing scripts for wireless systems or hardware testing infrastructure, • Ability to work in the lab with RF equipment including spectrum analyzers, signal generators, and software defined radios, • Proficient in testing and troubleshooting RF devices, • 2+ years experience writing Python, LabView, TILE, or other test software, • Strong understanding of RF system parameters such as channel power, EVM, modulation, and bandwidth, • Experience writing and documenting RF test procedures for use by other engineers and technicians, • Experience testing and troubleshooting microcontrollers and/or FPGA's, • Familiarity working with embedded Linux, • Experience with common RF protocols like SRS4, DVBS-II, and CCSDS, • Experience with GNU radio flowgraph development and troubleshooting, • Familiarity with satellite spectrum licensing laws, agencies, and standards, • Experience testing RF devices for regulatory compliance, • Experience in a startup or agile development environment Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs a Structural Test Engineer at Impulse Space, you will be responsible for all aspects of structural test equipment design and operations while working closely with a fast paced, agile team that produces high-performance spacecraft from clean sheet designs. Responsibilities • Design, analyze and build static and dynamic structural load test stands in support of the Helios cryogenic orbital transfer vehicle and Deneb engine components, • Create fabrication drawings, define project execution plans, procure parts and equipment, • Assemble, commission, and operate test stands, • Own major test stand build up while collaborating with wide ranging teams across the company and at different physical locations, • Resolve technical issues with innovative and resourceful solutions Minimum Qualifications • Bachelor’s degree in mechanical, aerospace engineering or related field, • 3+ years of experience in structural design and/or testing, • Strong engineering design fundamentals in structural and mechanical analysis, • Able to create and clearly communicate fluid P&IDs, electrical and controls schematics, • Able to identify and procure appropriate test equipment, • Prior hands-on operational experience working with cryogenic, flightweight structures, • Previously demonstrated ownership of test stand design and build-up, • Demonstrated ability of taking project ownership and working well in small teams Preferred Skills and Experience • Successful demonstration of full life-cycle ownership of structural or mechanical test equipment, • Prior experience working with hydraulics, high pressure gases, and cryogenic propellants, • Working knowledge of components (actuators, load cells, LVDTs, valves, sensors, power supplies) and hands-on skills (tube fabrication, metalworking, wiring), • Experience with Siemens NX and Teamcenter, • Experience in a startup or agile development environmentAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionAbout Us At Arbor Energy & Resources Corporation ("Arbor Energy"), we're creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we're applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. If you share our values and are drawn to rigorous work with lasting impact, we'd love to learn more about you. Come build what the future will run on. Steward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it. Lead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor. Explore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity. Role Overview We are seeking a Mechanical Design Engineer for our Combustion team to own the 3D design of high-temperature, high-pressure hardware from concept through fabrication. You'll collaborate closely with combustion engineers, analysts, and test engineers to develop practical, test-ready systems. Your work will leverage metal additive manufacturing, precision machining, and algorithmic design techniques to push the boundaries of modern fabrication. Responsibilities • Lead detailed 3D modeling of complex components and assemblies., • Apply Design for Additive Manufacturing (DfAM) principles to optimize performance, cost, and manufacturability., • Create complete drawing packages with GD&T, assembly documentation, and bill of materials (BOMs)., • Translate engineering requirements into practical, buildable designs., • Generate work instructions and collaborate with technicians during builds and test campaigns., • Continuously iterate based on feedback from analysis, testing, and fabrication. Requirements, • Bachelor's degree in Mechanical, Aerospace, or a related Engineering discipline., • 3+ years of experience in mechanical design of high-performance systems., • Proficiency in CAD software (Siemens NX preferred; others such as SolidWorks or Creo also acceptable)., • Experience producing fully detailed drawing packages including GD&T and manufacturing specs., • Experience with additive manufacturing and DfAM principles., • Understanding of additive constraints: overhang angles, support strategy, build orientation, powder removal, etc. Preferred Qualifications, • Exposure to material behavior and surface finish considerations in high-temperature AM alloys (e.g., Inconel 625/718, Hastelloy, Haynes)., • Familiarity with FEA or fluid/thermal analysis workflows., • Prior experience in a fast-paced, hands-on R&D or startup environment., • Exposure to combustion systems, high-temperature materials, or pressure vessels. Compensation & Benefits, • Pre-IPO stock options, • Medical, dental, and vision insurance (Arbor covers 90% for employees), • Basic life insurance fully covered, • Health savings account (HSA) with matching, • Flexible savings account (FSA), • Unlimited PTO, • 12+ company holidays, including Earth Day!, • 401(k), • Commuter benefits, • Annual learning and development stipend Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.

Job DescriptionSpace Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges. SSI is seeking a Systems Engineer for a role in El Segundo, CA. The role focuses heavily on applying systems engineering principles to develop and integrate space, ground, and communication segments, ensuring technical excellence, innovation, and alignment with mission objectives. Role and Responsibilities include: • Lead the end-to-end systems engineering lifecycle, including requirements definition, integration, testing, and verification., • Develop and manage technical baselines, Interface Control Documents (ICDs), and system performance goals., • Oversee technical reviews (SRR, PDR, CDR) and evaluate contractor designs to ensure alignment with mission objectives., • Identify, assess, and mitigate risks through detailed analyses and trade studies., • Direct the integration of space, ground, and communication segments to ensure system readiness., • Apply advanced configuration and change management practices to maintain consistency and traceability., • Collaborate with government and contractor teams, facilitating cross-functional reviews and technical interchange meetings (TIMs)., • Align technical strategies with the Warfighting Acquisition System (WAS) philosophy to enable rapid capability delivery.Required Qualifications:, • Bachelor’s degree in Engineering, Systems Engineering, or a related technical discipline, with 14+ years of experience in systems engineering, integration, and lifecycle management within the Department of Defense (DoD) environment., • Expertise in Space Domain Awareness (SDA) systems, including sensor networks, data pipelines, analytics platforms, space object tracking techniques, data fusion, orbit determination, and conjunction assessment., • Strong knowledge of DoDI 5000.02 Major Capability Acquisition System processes, JCIDS processes, and the PPBE process, with practical experience in applying acquisition policies to systems engineering., • Proficiency in developing and managing Interface Control Documents (ICDs), system architectures, and requirements traceability matrices., • Experience applying system modeling and simulation tools, risk analysis frameworks, and technical data reviews., • TS/SCI clearance required., • Travel is 10%.Preferred Qualifications:, • Master’s degree in Systems Engineering, Aerospace Engineering, or a related technical field., • Professional certifications, such as INCOSE CSEP, DoD DAWIA Level III in Systems Engineering, or other recognized credentials., • Experience with space-based technologies, such as electro-optical (EO) payloads, algorithms for space object detection, and SDA data processing/storage systems., • Familiarity with operational needs and constraints in space units such as Delta 9, NSDC, JTF-SD, or CSpOC., • Prior leadership on U.S. military space acquisition programs, particularly within SDA/S&R, including experience in requirements management, test planning, and risk management., • Hands-on experience with space control mission areas and advanced SDA technologies, including rapid prototyping. #ssi #weknowhowtobuildit #spacejobs

Job DescriptionDescriptionAs a Tooling/Ground Support Engineer at Impulse, you will be responsible for designing tooling, fixturing, and support equipment, while working closely with a fast-paced, agile team that produces high-performance spacecraft from clean sheet designs. Responsibilities • Own the design, development, and implementation of tooling and fixturing for metallic and composite structures, • Own design, development, and implementation of test equipment for to support testing of metallic and composite flight structures, • Collaborate with designers, analysts, and engineers to support development and prototype of spacecraft designs and test stands, • Work with manufacturing and supply chain groups to produce designs, • Solve complex technical challenges with emphasis on speed of execution Minimum Qualifications • Bachelors' degree in mechanical, aerospace engineering or related field, • 5+ years professional experience designing fixtures or tooling, • Demonstrated experience using CAD and preparing manufacturing drawings, • Demonstrated ability to communicate technical challenges, explain rationale and/or resolve concerns Preferred Skills and Experience • Proven experience working with metrology systems such as ROMER Arms, optical scanners, and laser trackers, • Machining, fabrication, welding, or composite manufacturing experience, • Ability to work with and manage large assemblies, • Working knowledge of dimensioning and tolerancing (GD&T), • Familiarity with lifting and rigging methods, • Experience with NX/Teamcenter, • Experience in a startup or agile development environment Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionSpace Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges. SSI is seeking a Space Systems Engineer for a role in El Segundo, CA. Role and Responsibilities include: • Lead technical requirements development, systems engineering, and oversee development contractor to develop, design, produce, integrate and test space systems., • Oversee payload integration and interface control management., • Perform system integration of multiple efforts to integrate complex space systems, ground segment integration, and deployment into operation., • Manage and negotiate interface control documents with external stakeholders., • Perform systems architecting and engineering activities such as system requirements definition, interface definition, design, interface management, data architecture development, systems integration, performance analysis, lifecycle cost analysis & estimation, decision analysis, and development and refinement of concepts of operation., • Oversee requirements verification and validation., • Make program risks assessments and provides actionable recommendations to the chief engineer and program manager., • Independently collaborate with Government program office representatives, FFRDC, SETA, and contractor personnel.Required Qualifications:, • Bachelor of Science or applicable and 9 years or more experience; 4 additional years of experience may be used in lieu of degree., • Experience with technical requirements development, systems engineering, and overseeing development contractor to develop, design, produce, integrate and test space systems., • Experience with requirements verification and validation., • Active TS clearance with in-scope T5/SSBI is required, along with SCI eligibility and participation in Continuous Evaluation. #ssi #weknowhowtobuildit #spacejobs

Job DescriptionDescriptionAs a Principal Guidance, Navigation, and Control Engineer at Impulse Space, you will own all aspects of and provide outstanding technical contribution to vehicle guidance and control in all phases of development and operation while working closely with a fast paced, agile team. Responsibilities • Architect GNC flight, test, and analysis systems for high-performance space vehicles produced at scale., • Develop robust control algorithms for spacecraft: satellites in LEO and GEO, large upper stages, and landers., • Generate control verification data for Impulse’s suite of missions., • Participate in GNC software development, both flight code and simulation., • Mentor other engineers and define the best practices for vehicle control systems., • Create tools to be used for all flight vehicle GNC systems, enabling missions to be realized quickly., • Resolve technical issues with innovative, resourceful solutions., • Bachelor's degree in engineering, science or related for science, • 15+ years of experience in spacecraft control design and analysis., • Proficiency in Matlab and C++, • Capable of performing control analysis in time and frequency domains., • Experience with vehicle-GNC design processes, from concept, through design reviews and implementation., • Prior experience in upper stage or lander control. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job Description Senior Mechanical Engineer | Aerospace & Defense Location: Torrance, CA (Relocation Available) Compensation: $160,000 – $190,000 + Equity Status: U.S. Citizen or Permanent Resident required. The Role We are pioneering modular motion technologies for industrial and aerospace sectors. We seek a versatile "builder" to lead the full lifecycle development of mission-critical hardware—from ambiguous concepts to environmental qualification of flight hardware. Key Responsibilities • Design: Iterate on electromagnetic actuators and precision mechanisms (gears, bearings, lead screws)., • Avionics: Develop ruggedized enclosures with innovative thermal management for high-vibration/vacuum environments., • Architecture: Translate mission needs into actionable requirements for electromechanical systems., • Qualification: Architect test methodologies for DO-160 and MIL-STD-810 compliance., • Execution: Own the "design-build-test" process, including hands-on assembly and debugging. Requirements Requirements • Education: BS in Mechanical or Aerospace Engineering., • Experience: 5+ years through the full product lifecycle., • Technical: Deep intuition for electromagnetic principles and mechanical load paths/cases., • Analysis: Proficiency in sizing analysis for strength, fatigue, and life cycles., • CAD/GD&T: Mastery of SolidWorks and ASME Y14.5 standards., • Standards: Proven track record qualifying hardware against DO-160/MIL-STD-810. Preferred Skills • AGMA Mastery: Detailed knowledge of AGMA standards, gearbox design (ratios, backlash, lubrication), and specialized fabrication., • Test Engineering: Experience designing custom test equipment and executing complex qualification campaigns. BenefitsBenefits 100% company-paid medical, flexible PTO, and 401K.

Job DescriptionDescriptionAs a Senior Propulsion Engineer at Impulse Space, you will own all aspects of propulsion system design, analysis, implementation and operation while working closely with a fast paced, agile team that produces high-performance spacecraft from clean sheet designs. Responsibilities • Own propulsion systems across the full product lifecycle – propellant, pressurization, engine feed, pneumatic, ignition, and attitude control systems, • Design and maintain propulsion system schematics, including analysis and hardware selection, performing trade studies to ensure performance and reliability, • Generate detailed CAD models and manufacturing drawings for fluid and mechanical systems Partner cross-functionally with structures, avionics, software, production, and test to ensure successful hardware integration and performance, • Plan and execute component- and system-level test campaigns, including procedure development, operations support, data review, and anomaly resolution, • Partner cross-functionally with structures, avionics, software, production, and test to ensure successful hardware integration and performance Minimum Qualifications • 5+ years of demonstrated hands-on engineering experience; either through university or personal projects, internships, or professional exposure, • Demonstrated proficiency in CAD software with ability to learn new software tools, • Experience with python or other programming languages, • Fundamental understanding of fluids, thermodynamics, and mechanics Preferred Skills and Experience • Demonstrated experience in designing and delivering high-reliability, high-performance hardware, • Proficiency in Siemens NX, • Experience with GFSSP or other fluid network simulation tools, • Experience working with control systems or interfacing with GNC algorithms, • Experience in component selection, sensor integration, and system-level trade studies, • Experience in test and operations Additional Requirements: • Flexible schedule and willing to travel as needed Additional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs a Test Automation Engineer at Impulse, you will own all aspects of test and automation software design, implementation and operation while working closely with a fast paced, agile team. Responsibilities • Work on a full spectrum of software, including near-real time data acquisition and control software to user-facing GUI’s and tools., • Actively work with the test operations team that uses your software daily to support testing operations., • Take part in the complete test program lifecycle including design, integration, testing, deployment, debugging, and finding novel solutions to late-breaking changes or issues., • Design and develop software and tools in support of testing operations., • Review code written by others, and write reviewed code yourself., • Work onsite in a fast-paced, challenging environment., • Resolve technical issues with innovative and resourceful solutions. Minimum Qualifications • Bachelor’s degree in engineering, computer science or related field., • 2+ years' of demonstrated proficiency with python, or an object-oriented programming language & demonstrated hands-on experience operating the software., • Experience developing user-facing software applications related to networking, hardware control and data acquisition., • Experience with software best practices and workflows, including git. Preferred Skills and Experience • Demonstrated ability of taking project ownership and working well in small teams., • Proficient with basic principles of data acquisition and control., • Master’s degree in electrical, software, mechanical, or aerospace engineering., • Familiarity with Propulsion Systems development testing., • LabVIEW certification (CLAD, CLD, CLA)., • Experience with Real-Time Operating Systems., • Hands-on experience with design, build, and operation of electrical systems. Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. Impulse Space’s spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR). This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionDescriptionAs a Thermal Engineer at Impulse, you will be responsible for thermal management of spacecraft from concept, analysis, and design, to implementation, testing, and flight while working closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design. Responsibilities • Develop and maintain thermal models of spacecraft, systems, and components, • Determine appropriate physical properties, environments, and boundary conditions, • Select and design of thermal management hardware, • Oversee and define thermal cycle and vacuum testing of components and spacecraft, • Analyze test data to correlate models and improve model fidelity, • Collaborate with design engineers to implement effective thermal management strategies, • Communicate with suppliers to determine properties and specify requirements of materials, • Bachelor’s degree in mechanical or aerospace engineering, • 1+ years' of demonstrated experience in developing and maintaining thermal models of spacecraft, systems, components, etc., • 1+ years' of demonstrated experience in selection/design and implementation of thermal management hardware such as heat pipes, radiators, heaters, thermal paint, tape and MLI, • Ability to perform thermal testing, flight/ground testing and data analysis, • Graduate work in numerical methods or heat transfer, • Creative solutions to complex problems, • Experience with successful thermal management strategies, • Experience with cryogenic fluids and fluid analysis software such as Starccm+, • Experience with Siemens Simcenter / Ansys Thermal and Thermal Desktop, • Prior experience with spacecraft design, • Experience working on a launch vehicle or satellite development effort, • Experience in a startup or agile development environmentAdditional Information: Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Job DescriptionAbout Us At Arbor Energy & Resources Corporation ("Arbor Energy"), we're creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we're applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. If you share our values and are drawn to rigorous work with lasting impact, we'd love to learn more about you. Come build what the future will run on. Steward our planet: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it. Lead with Love: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor. Explore the Uncharted: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity. Role OverviewThe Sr. Combustion Engineer helps pioneer our rocket-inspired, high-pressure combustion systems for carbon-neutral and carbon-negative power cycles. In this role, you'll lead end-to-end development of cutting-edge, high-efficiency combustion devices in a fast-paced, collaborative environment. You will partner closely with test engineers, analysts, and designers to push boundaries—delivering breakthrough performance that powers a sustainable future. From conceptual design and modeling to hands-on testing and rapid iteration, you'll own the full hardware lifecycle. Responsibilities • Lead the clean-sheet design and analysis of advanced oxy-fuel combustion systems, delivering breakthrough performance from concept to reality, • Plan, execute, and analyze high-pressure and temperature test campaigns, delivering actionable insights to accelerate progress, • Guide system configuration and drive performance optimization for maximum efficiency and reliability, • Own rapid hardware development cycles—from manufacturing and assembly through testing and iterative improvements, • Leverage additive manufacturing and state-of-the-art simulation tools to accelerate innovation and reduce development timelines, • Champion continuous improvement by proposing and implementing design upgradesRequirements, • Bachelor's degree in Mechanical, Aerospace, Chemical engineering, or related field, • 7+ years of experience in combustion system design, analysis, and testing, • Comprehensive understanding of thermodynamics, fluid mechanics, and heat transfer, • Hands-on experience with high-temperature and pressure equipment, • Demonstrated ability to own the product lifecycle from conceptual design to validation, • Curious, inventive, and entrepreneurial mindset comfortable driving progress Preferred Qualifications, • Advanced degree (M.S. or Ph.D.) in Mechanical, Aerospace, or Chemical engineering, • Hands-on experience with hot-fire testing and high-pressure systems in rocket or gas turbine environments, • Programming or scripting skills for data reduction and automation (Python, MATLAB, etc.), • Background in startup environments or agile hardware development cyclesBenefits & Compensation, • Pre-IPO stock options, • Medical, dental, and vision insurance (Arbor covers 90% for employees), • Basic life insurance fully covered, • Health savings account (HSA) with matching, • Flexible savings account (FSA), • Unlimited PTO, • 12+ company holidays, including Earth Day!, • 401(k), • Commuter benefits, • Annual learning and development stipend Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.