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Job Description About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Position Overview We are seeking a Lead Integration & Test Engineer with deep expertise in the integration and verification of warhead systems into complete hypersonic missile vehicles. This role focuses on leading the safe and reliable integration of warheads (including energetics, fuzing, safe-and-arm devices, and structural interfaces) with missile airframes, radars, propulsion, avionics, and thermal protection systems. You will own end-to-end integration & test strategies from subassembly through full vehicle level, supporting ground qualification, environmental testing, and flight test campaigns for next-generation hypersonic strike weapons. You will serve as the technical authority on warhead-vehicle integration and test, collaborating closely with design, manufacturing, propulsion, radar, quality, and mission assurance teams to meet stringent DoD standards and mission requirements. Key Outcomes for 2026 • Deliver a production ready integration & test process in Rio Rancho New Mexico, • Develop a plan to scale from low-rate initial production to full volume production supporting thousands of units per year, • Support a rapid test flight cadence to validate vehicle capability, • Develop safe integration and testing processes for the vehicle that ensure operator safety, • Lead warhead-to-vehicle integration activities including mechanical mating, electrical interface verification, fuze/S&A installation, and safe separation testing., • Develop and execute comprehensive vehicle-level Integration & Test plans covering functional checkout, ordnance arming sequences, environmental qualification, and system verification., • Design and commission integration tooling, test fixtures, and automated test equipment for warhead handling and full missile assembly., • Oversee environmental stress screening (thermal, vibration, shock, EMI/EMC) and functional performance testing of integrated warhead-vehicle systems., • Support flight test preparation, range coordination, pre-flight checkout, and post-flight data analysis and anomaly resolution., • Perform root-cause investigations and corrective actions for integration and test anomalies using FRACAS and fault tree analysis., • Ensure full compliance with explosive safety standards, DoD 6055.09, MIL-STD-810, and mission assurance requirements., • Mentor integration & test engineers and lead cross-functional I&T teams during build and test campaigns. Education: • 8+ years in integration and test for complex aerospace or defense systems., • 4+ years specifically working with warheads, munitions, or energetic systems integration., • Strong experience with ordnance handling, safe-and-arm devices, and energetic materials integration., • Proficiency in test automation (LabVIEW, Python, MATLAB), data acquisition systems, and telemetry., • Hands-on with environmental testing and ordnance functional verification., • Requirements management and configuration control., • Direct experience on DoD missile or hypersonic warhead programs., • Background in fast-paced development environments, • Knowledge of insensitive munitions and advanced warhead designs., • Prior flight test support at ranges, • Proven ability to lead technical teams in high-stakes, safety-critical environments., • Excellent communication and presentation skills for executive and customer briefings. Bias to Action and Creative Problem Solving. Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented. Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains. Ability to personally resolve minor issues in development without requiring significant support. High Commitment, High Initiative. A successful candidate will have a genuine passion for Castelion's mission and consistently look for ways to contribute to the company's technical goals and prevent hardware blockers. Ability to work in a fast paced, autonomously driven, and demanding atmosphere. Strong sense of accountability and integrity. Clear Communicator. Proactively communicates blockers. Trusted in previous roles to be voice of company with regulators, suppliers, gate keepers and customers. Capable of tactfully managing relationships with stakeholders to achieve company-desired outcomes without compromising relationships. Emails, IMs and verbal interactions are logical, drive clarity, and detailed enough to eliminate ambiguity. ITAR Requirements All employees are granted long-term stock incentives as part of their employment at Castelion. All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

Job DescriptionPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add an experienced Principal GNC Engineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing GNC systems for leading-edge spacecraft, and aerospace communication systems, we would like to hear from you. In this position, you will draw on your experience on previous spacecraft to operate on a small team in the design and analysis of GNC systems for CesiumAstro satellites and payloads. You will be responsible for Guidance, Navigation, and Control through all stages of design, integration, test, and operations. As such, you will perform trade studies, lead design reviews, create models, and complete simulations and system testing. You will build, test, and fly hardware and software. As a CesiumAstro spacecraft team member, you will work on a small team to develop satellites and put them in orbit. Your work will have a direct impact on the success of the company. You will work closely with the engineering team, program management to ensure the successful build and launch of our satellite. Element will be the largest, most powerful rideshare satellite in LEO. We’re launching eight of them in the next four years, starting with our first launch this year. Together, our small team will design, build, and iterate to reduce mass and cost while increasing performance, reliability, and manufacturability of a new generation of satellites. Let’s build! JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS • Master of Science (MS), or Doctorate (Ph.D.) degree in Aerospace Engineering from an accredited university or institution, • Minimum of 9 years of industry experience in satellite attitude and orbit systems, • Deep expertise in spacecraft attitude estimation, guidance, and control, including nonlinear state estimation theory and implementation (e.g., Extended Kalman Filters (EKF), Multiplicative EKF (MEKF), Unscented Kalman Filters (UKF), or other nonlinear observers); coordinate frame transformations; linear algebra; and nonlinear systems, • Experience with multiple spaceflight missions from concept to operations, • Experience in low earth orbit satellites, • Experience with post-CDR test failures and on-orbit failures that guide your design and test philosophies, • Experience with successful and unsuccessful recovery from on-orbit failures, • Experience in conceptualization, architecture design, requirements specification, design, test, and operations of various GNC architectures and components, • Familiarity with space mission simulation tools such as STK, Basilisk, GMAT, or FreeFlyer, • Experience defining spacecraft trajectories and orbital requirements, • Fluency with Python and C++, or other modeling languages, • Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, and operations, • Excellent written and verbal communication skills PREFERRED EXPERIENCE, • Demonstrated experience designing, implementing, tuning, and validating flight-grade state estimators, including covariance propagation, bias estimation, sensor fusion (e.g., IMU, star tracker, GNSS, magnetometer), and Monte Carlo-based performance analysis, • Experience performing observability analysis, estimator consistency analysis (e.g., NEES/NIS), and robustness evaluation under sensor degradation or fault conditions, • Experience architecting end-to-end ADCS estimation pipelines, including fault detection, measurement rejection, mode-dependent filter configurations, and on-orbit estimator anomaly resolution, • CubeSat and SmallSat experience, • Hands-on experience with spacecraft instrumentation, subsystems, and test labs, • Experience with multiple mission simulation and flight architectures which drives your vision for the next generation of space software, • Experience in LEO, MEO, GEO, and deep space satellites

Job DescriptionDescriptionAs a Quality Engineer at Impulse, you will own the connection between design intent, manufacturing execution, and flight performance. You will work hands-on with technicians, manufacturing engineers, and design teams to prevent defects before they occur, rapidly diagnose failures, and continuously improve hardware reliability across spacecraft builds. Responsibilities • Partner with design, manufacturing, and integration teams to ensure spacecraft hardware is built reliably and repeatably from prototype through production, • Identify, investigate, and eliminate build defects through structured root cause analysis and corrective actions, • Develop risk-based inspection, acceptance, and quality control processes aligned with mission reliability requirements, • Support hardware integration, test, and environmental campaigns by diagnosing anomalies and driving resolution to closure, • Provide design-for-reliability and manufacturability feedback during design reviews and build planning, • Monitor hardware and supplier quality performance, using production and test data to drive continuous improvement Minimum Qualifications • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Manufacturing Engineering, or related field, • 3+ years of experience in hardware manufacturing, aerospace, automotive, or high-reliability systems, • Demonstrated experience supporting production builds, integration, or test of complex mechanical or electromechanical systems, • Strong problem-solving skills with demonstrated root cause analysis experience Preferred Skills and Experience • 4+ years of demonstrated build reliability experience with spacecraft, launch vehicles, aviation, robotics, or defense hardware, • Familiarity with AS9100, ISO 9001, or similar quality systems (practical application preferred over documentation focus), • Demonstrated experience with reliability engineering concepts (FMEA, reliability growth, Weibull analysis), • Demonstrated background working closely with technicians and production teams, • Demonstrated experience supporting rapid development or prototype-to-production transitions 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 DescriptionSalary: $120,000 to $180,000 depending on experience Who Were Looking For Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. We are seeking a highly motivatedTest Engineer with relevant professional experience or academic training related to plasma sources, devices, and diagnostics. The ideal candidate has a strong background in plasma physics and diagnostic techniques, including instrumentation, hands-on hardware implementation and test execution, and data analysis and interpretation. You will work in a fast-paced, high-performance environment, collaborating across engineering R&D, test, analysis, and hardware manufacturing teams to advance next-generation propulsion products and rapidly deliver flight-ready hardware. This role requires strong proficiency in experimental plasma physics, as well as the ability to work in a fast-paced R&D environment. Previous experience or a strong interest in propulsion systems (electric, fluid, chemical) is a plus. Where Youll Make an Impact • Lead experimental development and characterization of electric propulsion devices, such as Hall Effect Thrusters and RF Thrusters, • Design, implement, and operate plasma diagnostic systems including Langmuir probes, emissive probes, retarding potential analyzers, and optical diagnostics, • Analyze and interpret experimental data to support and validate existing analytical and computational models, • Develop test plans and execute hot-fire test campaigns in vacuum chamber environments, • Documents test results and contribute to technical reports, proposals, and publications, • Support thruster and propulsion system design and build iterations What It Takes • B.S. in Physics, Aerospace, Electrical Engineering, Mechanical Engineering or related discipline (M.S. or Ph.D. preferred), • 3+ years of experience with plasma physics diagnostics (relevant to electric propulsion and/or RF plasmas preferred), • Strong proficiency with instrumentation, experimental methods, and data analysis, • Solid understanding of plasma physics and propulsion systems, • Programming skills in Python, MATLAB, or similar for data analysis, • Hands-on experience with high-vacuum chamber testing, • Ability to design and troubleshoot experimental hardware, • Strong technical writing and communication skills, • Proven ability to work in a fast-paced, hands-on environment Nice-to-Have Experience • Experience with characterizing RF plasmas sources or electric propulsion (e.g., Hall Effect Thruster) discharge plumes, • Hands-on experience with spacecraft propulsion system design, build, integration, and flight qualification, • Knowledge of manufacturing methods (machining, composites, additive manufacturing), • Experience working with NASA and/or DoD programs What Youll Get • Innovation The opportunity to develop and test next-generation spacecraft propulsion systems., • Impact See your work directly enable mission success., • Growth Opportunities for technical leadership in a fast-growing space company., • Compensation Competitive salary, equity, and top-tier benefits including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity sharing. Additional Requirements To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State

Job DescriptionDescriptionThe Development Test Engineer at Impulse, will lead the planning, execution, and analysis of tests critical to validating next-generation in-space mobility systems. This role is highly cross-functional, interfacing with design, analysis, manufacturing, and operations teams to ensure products meet performance, safety, and reliability requirements. The ideal candidate combines strong engineering fundamentals with hands-on test experience in a fast-paced development environment. This position plays a key role in maturing early-stage designs into flight-ready hardware. Responsibilities • Design, build, and commission test fixtures for fluid, cryogenic, high-pressure, cyclic, environmental, mechanical, and structural testing, • Execute tests safely and efficiently, including setup, operations, and troubleshooting during live test events, • Strong problem-solving and troubleshooting capabilities, • Work closely with design and manufacturing teams to ensure testability and rapid feedback cycles, • Excellent technical writing and documentation skills Minimum Qualifications • Bachelor’s degree in Mechanical, Aerospace, Electrical, or related engineering discipline, • A demonstrated understanding of mechanical, propulsion, fluid, or structural systems, • Strong data analysis skills using tools such as Python, MATLAB, or similar, • Hands-on experience with hardware in a laboratory or test-stand environment, • Ability to manage multiple test campaigns in a fast-paced environment Preferred Skills and Experience • Experience testing aerospace or spaceflight hardware (propulsion systems, structures, mechanisms, avionics), • Familiarity with high-pressure fluid systems, cryogenic systems, or hazardous test operations, • Proficiency with instrumentation, DAQ systems, and sensor selection/integration, • Demonstrated ability to develop test plans, execute complex tests, and document results, • Background in designing and automating test setups with NI, LabVIEW, PLCs, or similar platforms, • Ability to interpret engineering drawings, FEA/CFD results, and system requirements, • Prior involvement in fast-paced R&D or startup environments with rapid iteration cyclesAdditional Requirements: 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 Flight Software Engineer – Help Build the Next Generation of Spacecraft Systems! El Segundo, CA | On-site Opportunity Summary A fast-growing space technology startup is developing advanced spacecraft systems for high-energy orbital missions across LEO, MEO, GEO, and cislunar space. Founded by experienced engineers with backgrounds at leading aerospace organizations, the team is building next-generation propulsion and vehicle platforms that push the boundaries of orbital access and mission capability. This role offers the chance to take ownership of critical flight software systems supporting upcoming vehicle demonstrations and future missions. You will work closely with a highly technical founding team, move quickly, and play a hands-on role across the full software lifecycle. As the company scales, this position has strong potential to grow in scope and leadership responsibility. About Us We are an engineering-driven space startup focused on developing innovative spacecraft and propulsion technologies for demanding missions beyond traditional low Earth orbit. Our team blends deep aerospace experience with a startup mindset, emphasizing rapid development, high accountability, and mission-focused execution. We are building proprietary systems that enable new mission profiles and expand what is possible in space operations. Job Duties • Lead the architecture and development of core flight software systems that meet performance, reliability, and mission requirements, • Implement and integrate software supporting guidance, navigation, and control, command and telemetry, mission sequencing, health monitoring, and fault management, • Develop real-time and safety-critical software using clean, efficient, and testable coding practices, • Support embedded software development for microcontrollers and flight hardware, • Implement and maintain communication interfaces such as UDP, Ethernet, and multicast protocols, • Collaborate closely with avionics and hardware engineers across the full product lifecycle, • Design and execute hardware-in-the-loop and system-level test activities, • Produce clear technical documentation for software design, operational concepts, and system behavior Qualifications • Bachelor’s degree in computer science, computer engineering, aerospace engineering, electrical engineering, or a related field, • 2+ years of professional software development experience, ideally in aerospace or embedded systems, • Strong foundation in C or C++ with working knowledge of Python and Git-based workflows, • Experience working with real-time operating systems and satellite or embedded communication protocols, • Solid understanding of microcontroller architectures, interfaces, and system constraints, • Demonstrated ability to debug, optimize, and analyze system performance, • Comfortable working in fast-moving, resource-constrained environments, • Strong problem-solving skills using first-principles engineering approaches Preferred Experience • Background in flight software, spacecraft systems, or mission-critical embedded applications, • Experience with telemetry systems, command and control software, or mission management tools, • Familiarity with safety-critical software development and formal certification processes, • Knowledge of memory management, scheduling, and fault analysis for real-time systems, • Experience using tools such as Grafana or similar monitoring platforms, • Prior work in early-stage or high-growth startup environments Why Join Us • Opportunity to work on cutting-edge space technology, • High-impact role with real ownership and responsibility, • Direct collaboration with experienced technical founders, • Fast-paced environment with meaningful engineering challenges, • 401k with company matching, • Fully covered medical, dental, and vision benefits for employees, • Partial coverage for dependents, • Meaningful equity participation in a growing company, • Ability to grow with the company as it scales Compensation Details $150,000 - $210,000

Job DescriptionDescription: Position Overview We are seeking a hands-on Real-Time Computer Vision Engineer to develop and deploy onboard perception and vision-navigation systems for unmanned aerial systems (UAS). This role focuses on operational autonomy — object detection, tracking, recognition, and GPS-denied navigation — running in real time on embedded hardware. This is a deploy-to-flight role. Not modeling. Not simulation. Not offline research. You will build, optimize, integrate, and fly vision systems under real-world constraints. Key Responsibilities • Develop and deploy real-time object detection, tracking, and recognition pipelines for airborne platforms., • Implement vision-based navigation capabilities (visual odometry, feature tracking, obstacle detection, VIO integration)., • Optimize models for low-latency edge inference (Jetson, ARM, GPU acceleration)., • Integrate perception systems with flight controls and autonomy stacks., • Support ground and flight testing; debug performance in live operational environments., • Implement sensor fusion across EO/IR, IMU, GPS, and telemetry inputs., • Bachelor’s or Master’s degree in Computer Science, Robotics, Electrical Engineering, or related field., • 4–8+ years of experience in real-time computer vision or autonomy systems., • Strong C++ and/or Python proficiency., • Experience deploying real-time vision algorithms to hardware platforms. Solid understanding of: • Object detection and multi-object tracking, • Feature detection and tracking, • Visual odometry or VIO, • Real-time system optimization, • Experience with UAS or airborne autonomy systems., • Experience with ROS/ROS2, PX4, MAVLink, or ArduPilot., • CUDA, TensorRT, or hardware acceleration experience., • EO/IR payload integration experience., • SLAM, GPS-denied navigation, or contested environment experience., • Must be eligible to obtain and maintain a DoD Secret clearance., • Willingness to support flight test operations and travel as needed. To comply with U.S. Government export control regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. person as defined by law. A U.S. person includes a U.S. citizen, lawful permanent resident, or protected individual as defined by 8 U.S.C. This employer participates in E Verify.

Job DescriptionSpacecraft Flight Computing EngineerThe Opportunity We are supporting a well-funded space company developing a human-rated spacecraft with real flight hardware, real missions, and real technical ownership. This role sits on a small, elite Flight Computing team responsible for the design and implementation of the spacecraft’s computing architecture — from custom flight computers through operating systems, low-level software, and fault-tolerant behavior. This is not a traditional flight software role layered on top of vendor avionics. The team designs the computers, defines the operating environment, and owns how the system behaves under real-world faults. You would work directly with the engineer who architected the fault-tolerant computing and networking systems for Falcon 9 and Dragon, including the hardware that interfaces with the International Space Station. What You’ll Work On * Designing and implementing spacecraft flight computing systems with full hardware/software ownership * Developing and tuning low-level software across bootloaders, operating systems, and device drivers * Building fault-tolerant behavior that allows systems to continue operating through anomalies * Working closely with custom flight computer hardware designed in-house * Defining how compute, timing, and networking behave across spacecraft subsystems * Participating in system bring-up, integration, debugging, and mission support * Collaborating with a small group of highly capable engineers who value first-principles design What We’re Looking For We are open to exceptional engineers at multiple experience levels, provided they have strong fundamentals and real technical depth. Strong indicators include: * Deep experience with C/C++ in low-level or systems contexts * Background in embedded systems, firmware, kernel-level Linux, or RTOS-based development * Comfort working close to hardware (bring-up, debugging, timing, fault analysis) * Experience designing or supporting real-time or safety-critical systems * Engineers who build things because they’re curious — not just because it’s assigned Prior spacecraft experience is not required. Engineers from adjacent domains (embedded systems, automotive safety, robotics, compute infrastructure, etc.) are welcome if they bring the right depth and mindset. What Makes This Different * Small, senior technical team — no large hierarchies, no busywork * Minimal legacy code — engineers are empowered to fix or redesign what doesn’t make sense * Modern, high-performance compute platforms, not legacy aerospace hardware * Real authority over architecture and implementation decisions * Direct mentorship and collaboration with one of the most experienced flight computing architects in the industry * A rare blend of startup-level autonomy with the resources of a major space program Location & Eligibility * Based in the South Bay / Greater Los Angeles area * Candidates must be U.S. persons due to regulatory requirements * Relocation support may be available Interested? If you’re excited by the idea of building spacecraft computers the right way — with real ownership, real impact, and real technical peers — we’d welcome a conversation.

Job Description A New Paradigm For Space Operations. Who We Are:Space Kinetic is a cleared, venture-backed startup focused on addressing urgent national security priorities. Our goal is to deliver a suite of asymmetric capabilities for space superiority and missile defense leveraging our proprietary electromechanical deployment system, which enables the rapid deployment of low-cost payloads through space without firing a thruster. Space Kinetic is currently assembling its TRL-5 prototype. Our goal is to leverage this platform to provide the United States with a new tool for securing the space domain & catalyzing the emerging space economy. What You'll Do: The Principal Flight Software Engineer will be required to work in a fast-paced prototyping environment with an aggressive schedule toward flight and should have experience and a general understanding of spaceflight payloads. In this position, you will be responsible for low-level and high-level software in Space Kinetic's products through all phases of the development process. As a Principal, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test and qualification. The Principal Software Engineer will serve as the technical leader for the development, integration, and validation of Space Kinetic's electromechanical system. This role is responsible for the architecture, design, and implementation of mission-critical software that enables spacecraft control, autonomy, communication, and safety. The ideal candidate possesses deep experience in embedded real-time systems, software reliability, and spacecraft operations. • Lead the design and development of space Kinetic flight software architecture, including guidance, navigation, control (GNC), telemetry, command, and fault management systems., • Define software requirements, interfaces, and verification strategies in coordination with systems, electrical, and mission engineering teams., • Develop robust, real-time, and fault-tolerant software using C/C++ and/or Rust in embedded or RTOS environments., • Perform software design reviews, code reviews, and verification activities to ensure safety, reliability, and performance compliance with space flight standards (e.g., NASA NPR, ECSS, DO-178C)., • Mentor and guide software engineers through technical leadership, code quality enforcement, and system-level integration., • Support spacecraft-in-the-loop, hardware-in-the-loop (HIL), and flight simulation testing environments., • Contribute to continuous improvement of software development processes, tools, and best practices across the engineering organization., • Participate in mission readiness reviews, anomaly resolution, and on-orbit software updates and maintenance., • Experience with simulation environments and ground software integration., • Excellent leadership, collaboration, and communication skills across multidisciplinary teams., • Strong problem-solving ability and technical judgment under mission-critical constraints., • Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering., • 10+ years of experience developing embedded or real-time software for space, aerospace, robotics, or mission-critical systems., • Proven experience leading software development through all phases of the system lifecycle—from requirements through flight operations., • Strong proficiency in C/C++, with working knowledge of Python or scripting languages for automation and testing., • Familiarity with RTOS, bare-metal programming, or Linux-based embedded systems., • Deep understanding of software reliability, deterministic timing, concurrency, and resource management in constrained environments., • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder)., • Experience with flight software frameworks (e.g., NASA cFS, F' FPrime, or custom architectures)., • Familiarity with model-based systems engineering (MBSE) and interface control documentation., • Knowledge of space communication protocols (CCSDS, SpaceWire, MIL-STD-1553, etc.). *Our vision is unique, and so is the team we're building. If you're driven to succeed in this role, even if your background doesn't fully align with every qualification, we want your application.Where You'll Be: * The position is onsite at our headquarters in El Segundo, CA. Domestic travel may be required (up to ~20% of the year). What We Offer: • Equity-Based Compensation, • Highly Competitive PTO and Holiday Calendar, • Comprehensive Medical, Dental, and Vision Coverage, • Unique Performance-Based Bonus Structure, • Health and Wellness Stipend Equal Employment Opportunity: Space Kinetic provides equal employment opportunities to all employees and applicants without regard to race, color, religion, age, sex, gender identity, sexual orientation, national origin, veteran status, disability or any other legally protected status. The annual base salary for this role is below. Pay Grades are determined by role, level, location, and alignment with market data. Individual pay will be determined on a case-by-case basis and may vary based on the following considerations: interviews and an assessment of several factors that are unique to each candidate, job-related skills, relevant education/experience, certifications, abilities of the candidate and internal equity. Pay Range$150,000—$190,000 USD

Job DescriptionDescriptionAs a Flight Software Engineer at Impulse, you will be responsible for the design, development, and integration of the software that powers our Space Vehicles. You will work closely with avionics engineers, GNC engineers, propulsion engineers, and other cross-disciplinary teams to deliver high-reliability, high-performance software for in-space transportation. Responsibilities • Contribute to the design, implementation, integration, and verification of software for:, • Guidance, Navigation, and Control (GNC) algorithms, • Command and telemetry handling, • Mission sequencing, autonomy, and fault management, • Closed-loop control of propulsion, attitude control, and other time-critical systems, • Implement features for Impulse’s real-time flight software framework to meet deterministic performance requirements in space environments., • Develop detection and mitigation algorithms for anomalies such as sensor failures, actuator malfunctions, or radiation-induced faults., • Direct and participate in code reviews, ensuring compliance with software safety, reliability, and maintainability standards., • Support mission operations and troubleshoot real-time issues during ground integration, environmental testing, and on-orbit operations. Minimum Qualifications • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related degrees, • 4+ years writing C/C++ code for an embedded system or vehicle of some kind (robot, car, drone, spacecraft, etc), • Demonstrated understanding of computer architecture, operating systems, data structures, and computer networking, • Experience with Real Time Operating Systems (RTOS) or with Embedded Linux, • Experience using version control, test cases, and other software best practices Preferred Skills and Experience • Proven track record delivering flight software for spacecraft— including launch vehicles, OTVs, upper stages, or other in-space propulsion systems., • Familiarity with NASA cFS, ROS2, or custom middleware for space applications., • Expertise in designing software for deterministic timing and hard real-time constraints. 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 Flight Software Engineer Location: Hawthorne, CA (On-site) Employment Type: Full-time Department: Engineering Seniority Levels: Open to Levels 1–5 Compensation: · Level 1: $120K–$140K + Equity · Level 2: $130K–$155K + Equity · Level 3: $160K–$190K + Equity · Level 4: $180K–$215K + Equity · Level 5: $195K–$235K + Equity Title and compensation will be based on experience and impact. About the Role My client is seeking a Flight Software Engineer to design, build, and deploy embedded software for a fleet of low-Earth orbit spacecraft. This is a high-impact role with deep ownership across the full software lifecycle—from concept to orbit. You’ll collaborate with multidisciplinary teams to ensure flight software is reliable, autonomous, and mission-ready. Key Responsibilities · Develop fault-tolerant, autonomous flight software systems for spacecraft operations · Build infrastructure for simulation, testing, and large-scale deployment · Implement software for command/data handling, guidance/navigation/control (GNC), and fault detection/isolation · Own the full development cycle: architecture, implementation, testing, release, and on-orbit support · Deliver over-the-air updates and support real-time mission operations · Collaborate with electrical, mechanical, and mission operations engineers to ensure mission success Minimum Qualifications · 3+ years of experience in C/C++ development · Proven success on complex software or embedded systems projects Preferred Qualifications · Experience developing flight software for spacecraft or other high-reliability systems · Embedded Linux and ARM microcontroller development · Strong debugging, unit testing, and system integration skills · Familiarity with fault-tolerant design patterns (e.g., watchdogs, voting logic, ECC) · Understanding of networking protocols and embedded communication · Exposure to industry standards like MISRA-C or JSF · Ability to thrive in fast-paced, high-ownership environments Who Should Apply We prioritize exceptional talent over traditional credentials. If you’ve built something extraordinary, solved hard problems, or taken an unconventional path to mastery, we want to hear from you. My client is open to crafting unique roles for standout individuals. Benefits · 100% employer-paid medical, dental, and vision (base plans) · HSA, FSA, 401(k), and commuter benefits · Unlimited PTO with a two-week minimum annual requirement · Daily catered lunches · Equity in a company redefining what’s possible in orbit

Job DescriptionDescriptionVenturi Astrolab, Inc. (Astrolab) is pioneering new ways to explore and operate on distant planetary bodies. We are focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity’s presence in the solar system. We are seeking motivated, creative, and exceptional people to join our team. The Avionics team is responsible for all aspects of the electrical systems and hardware on Astrolab’s electric rover vehicles and ground support equipment. We work collaboratively across engineering disciplines to deliver reliable, high-performance electronics that directly support flight and mission operations. The Staff FPGA Engineer will lead the architecture, development, and verification of avionics FPGA RTL designs for Astrolab rovers. This role owns FPGA design from initial concept and requirements definition through verification, integration, and flight readiness. The ideal candidate has 10+ years of experience in FPGA development including RTL design, simulation, analysis, verification, and hardware testing in complex, high reliability systems. This position will report to the Director of Avionics Engineering and will be based in our Hawthorne, CA office. What you'll do: • Own FPGA RTL development from clean sheet architecture through qualification and flight, • Define FPGA logical architecture and requirements in collaboration with cross-functional engineering teams, including HW and embedded software interfaces, • Develop FPGA RTL for Microsemi, Xilinx, or similar devices using SystemVerilog or VHDL, • Perform comprehensive design verification, including simulations, test benches, timing closure, resource analysis, and hardware validation, • Lead design reviews, ensure requirement traceability, and create clear documentation for FPGA operation and integration with other software and FPGA systems, • Develop and execute test campaigns ranging from unit-level validation to system-level integration and testing, • Bachelor of Science degree in Computer Engineering, Electrical Engineering, or equivalent, • 10+ years of experience in FPGA RTL architecture, development, verification, deployment, and lifecycle support, • Strong proficiency in SystemVerilog or VHDL, • Proficiency in at least one scripting language such as TCL, shell, or Python, • Experience with advanced verification methodologies, timing analysis, and stability analysis, • Ability to read and interpret PCB schematics and understand hardware level constraints, • Familiarity with embedded software integration and HW/SW boundary definition, • Proficiency with AXI protocols, including AXI4 family, • Knowledge of common bus interfaces such as SPI, I2C, UART, and similar standards, • Demonstrated success operating with ownership in fast paced, collaborative environments Additional Responsibilities, • Design and support FPGA systems intended for space environments, including consideration of radiation impacts, mitigation strategies, and long duration reliability, • Join a team of best-in-class engineers building the foundation of planetary surface exploration, • Equity ownership in the company, • Comprehensive health benefits, including medical, dental, vision, and mental health support, • 401(k) plan with company match, • Flexible PTO and parental leave, • Home office set up reimbursement, • Fully flexible and remote friendly work environment, • Weekly lunch stipend, plus complimentary snacks and beverages on-site, • Once a month social hour on-site with food and drinks

Job DescriptionDescriptionAs a Senior Embedded Software Engineer at Impulse focused on Actuation & Control Systems, you will be responsible for developing embedded software that controls a variety of actuated systems across launch vehicles and spacecraft. These include rocket engine valves, satellite thrusters, thrust vector control actuators, and motor-driven devices such as reaction wheels and gimbals. You will collaborate with propulsion, avionics, and GNC teams to design high-performance, fault-tolerant firmware capable of operating reliably in harsh environments such as launch and space. Responsibilities • Develop real-time firmware for controlling: Rocket engine valves and thrust vector control actuators (TVCAs); Satellite propulsion systems, including cold gas and electric thrusters; and Motor-driven systems such as reaction wheels, gimbals, and momentum wheels, • Implement closed-loop control for: Position, velocity, torque, and pressure regulation; as well as Feedback via encoders, LVDTs, resolvers, current sensors, and pressure sensors, • Interface with motor drivers and redundant actuator systems using protocols like CAN, SPI, UART, Ethernet, RS-422, and BISS-C., • Design and implement safety-critical state machines for thrust sequences, valve actuation, pressurization, and safe shutdowns, • Participate in hotfire campaigns, environmental testing, and in-flight diagnostics, • Write unit-tested and reviewable production firmware for use in both testbeds and spacecraft Minimum Qualifications • Bachelor’s degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or a related field., • 12+ years of embedded C/C++ development experience for electromechanical control systems, • Experience using oscilloscopes, logic analyzers, hardware debuggers, and source-level debuggers to troubleshoot problems at all layers of the stack., • Experience implementing real-time control loops, motor commutation, and actuator calibration routines, • Proficiency working with servo motors, stepper motors, or brushless DC motors, • Strong understanding of low-level hardware and digital interfaces (I2C, SPI, CAN, UART) Preferred Skills and Experience • Prior work on rocket engine controller software, including valve sequencing and abort logic, • Experience with satellite attitude control systems (ACS), including reaction wheels, magnetorquers, and small thrusters., • Familiarity with redundant actuator architectures and fault detection/response algorithms 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 DescriptionDescriptionVenturi Astrolab, Inc. (Astrolab) is pioneering new ways to explore and operate on distant planetary bodies. We are singularly focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity’s presence in the solar system. We are seeking motivated, creative, and exceptional people to join our world-class team. The Avionics team is responsible for all aspects of the electrical systems and hardware on Astrolab’s electric rover vehicles and ground support equipment. We work collaborative with all teams at Astrolab to provide exceptionally capable and reliable electronics to serve our missions. The Lead FPGA Engineer will lead and participate in all aspects of the development and test of avionics FPGA RTL designs for Astrolab rovers. The ideal candidate has 15+ years of experience in FPGA firmware development including RTL design, simulations, analysis, verification, and HW testing. This position will report to the Director of Avionics Engineering and will be based in our Hawthorne, CA office. What you'll do: • Own and define the vehicle system FPGA architecture, standards, practices, processes, tools, etc., • Support avionics digital system architecture and requirements development and analysis, • Lead the development of Astrolab FPGA RTL design and verification by other FPGA engineers., • Develop FPGA logical architectures and requirements in collaboration with other engineering disciplines, including defining HW/SW interfaces between fabric logic and processing subsystems., • Own unit-level RTL development from blank sheet to flight for Microsemi, Xilinx, or other FPGA or SoC devices in either SystemVerilog or VHDL., • Perform design verification, including simulations, test benches, timing analysis, and hardware testing., • Lead design reviews, demonstrate requirement traceability, and create documentation for FPGA operation and interfacing with other SW and FPGA systems., • Lead and participate in test campaigns ranging from unit-level manual tests, unit automated tests, and system-level tests. What you'll bring: • Bachelor of Science degree in Computer Engineering, Electrical Engineering, or equivalent., • 15+ years of experience in FPGA RTL architecture, development, verification, deployment, and maintenance., • Skilled in SystemVerilog or VHDL., • Skilled in at least 1 scripting language (TCL, shell, Python, etc)., • Skilled in verification techniques and timing/stability analysis., • Proficiency in understanding PCB designs and reading schematics., • Proficiency in understanding embedded software., • Proficiency with AXI protocols (at least AXI4 family)., • Knowledge of common bus and memory interfaces (DDR4, SPI, I2C, UART, etc)., • Demonstrated success working in a dynamic environment. Additional Responsibilities, • Join a team of best-in-class engineers building the foundation of planetary surface exploration, • Equity ownership in the company, • Comprehensive health benefits, including medical, dental, vision, and mental health support, • 401(k) plan with company match, • Flexible PTO and parental leave, • Home office set up reimbursement, • Fully flexible and remote friendly work environment, • Weekly lunch stipend, plus complimentary snacks and beverages on-site, • Once a month social hour on-site with food and drinks

Job Description Flight Software Engineer – Build Next-Generation Spacecraft Systems for High-Energy Missions! El Segundo, CA | On-site Opportunity Summary Join a venture-backed aerospace startup developing advanced spacecraft designed to operate in demanding orbital environments. This role sits at the heart of vehicle development, where software enables guidance, autonomy, communication, and overall mission execution. You will work closely with founders and a highly technical team to architect and deploy flight software that supports real-time, safety-critical spacecraft operations. This is a high-ownership opportunity for an engineer who thrives in fast-moving environments and wants to see their work move quickly from development to flight. You will contribute across the full lifecycle of vehicle software, from architecture and implementation through integration, testing, and mission support, helping shape both the product and the engineering culture as the company scales. About Us We are an early-stage space technology company building advanced in-space transportation and spacecraft systems aimed at expanding access to complex orbital missions. Founded by engineers with deep experience delivering flight-proven systems, the team combines startup speed with disciplined engineering practices to bring high-performance hardware and software together. Our environment emphasizes first-principles thinking, technical ownership, and rapid iteration toward real mission outcomes. Job Duties • Architect, develop, and deliver core flight software to meet system performance and reliability requirements, • Design, implement, integrate, and verify software supporting Guidance, Navigation, and Control (GNC) functions, • Develop real-time systems for command and telemetry handling, mission sequencing, autonomy, and fault management, • Implement deterministic software features within a real-time flight framework for spacecraft operations, • Develop closed-loop control software supporting propulsion, attitude control, and other time-critical vehicle functions, • Write clean, efficient, and testable code for embedded and safety-critical applications, • Build communication interfaces and networking protocols including Ethernet, UDP, multicast, and similar technologies, • Collaborate closely with avionics, propulsion, GNC, and hardware teams across the full development lifecycle, • Design and maintain embedded software targeting microcontrollers and vehicle compute systems, • Develop detection and mitigation algorithms for anomalies such as sensor failures, actuator issues, or radiation-induced faults, • Participate in design reviews and code reviews, ensuring strong safety, reliability, and maintainability practices, • Support hardware-in-the-loop testing, system integration, environmental testing, and mission readiness activities, • Troubleshoot and resolve real-time issues during testing and operational phases, • Maintain clear documentation including architecture, ConOps, and software interface definitions Qualifications • Bachelor’s degree in Computer Science, Computer Engineering, Aerospace Engineering, Electrical Engineering, or similar technical discipline, • 2+ years of software development experience, preferably involving embedded systems or complex vehicles, • Strong experience writing C/C++ for embedded or real-time applications, • Solid understanding of operating systems, computer architecture, data structures, and networking fundamentals, • Experience with version control systems and modern software development practices, • Familiarity with Real-Time Operating Systems (RTOS) or Embedded Linux environments, • Understanding of microcontroller architectures and hardware interfaces, • Strong debugging, performance optimization, and root-cause analysis skills, • Ability to move quickly and contribute across multiple engineering disciplines in a startup setting, • U.S. Person status or eligibility to obtain required export licensing Preferred Experience • Hands-on experience delivering flight or vehicle software for spacecraft, launch vehicles, drones, robotics, or autonomous systems, • Background in mission operations, on-orbit support, or integrated system testing, • Familiarity with NASA cFS, ROS2, or similar aerospace middleware frameworks, • Experience designing deterministic systems for hard real-time constraints, • Exposure to safety-critical software development processes or formal certification environments, • Experience with additional tools or languages such as Python, Rust, Git-based workflows, Grafana, or comparable platforms, • Participation in integration, testing, launch, or operational phases of a space vehicle program Why Join Us • Opportunity to build flight-critical systems with real mission impact, • High level of technical ownership and influence, • Fast-paced startup environment with strong engineering autonomy, • Direct collaboration with experienced aerospace founders and technical leaders, • Opportunity for long-term growth as the company scales, • Work on cutting-edge space technology pushing the boundaries of orbital operations, • Equity participation and the ability to help shape a growing team Compensation Details $135,000 - $225,000 #LI-AV

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 Description Flight Software Engineer Location: Hawthorne, CA (near LAX) Relocation: Available Team Size: ~20 engineers Compensation: $90,000–$205,000 + equity (based on performance, level, and location) About the Mission Imagine a world where solar power doesn’t shut off at sunset. We are building a constellation of autonomous spacecraft designed to reflect sunlight back to Earth after dark—unlocking nighttime solar energy for the first time in history. This is not theoretical. We are launching our first spacecraft in 2026, backed by top‑tier investors and led by engineers who have built and flown real hardware in orbit. If you want to write software that will operate a fleet of autonomous spacecraft in low‑Earth orbit, this is that opportunity. What You’ll Build As a Flight Software Engineer, you will design and deploy the software that powers every spacecraft in our constellation. Your work will span: • Autonomous decision‑making and onboard control, • Real‑time embedded C/C++ on ARM microcontrollers, • Embedded Linux systems for mission‑critical operations, • Guidance, navigation, and control (GNC), • Command and data handling, • Fault detection, isolation, and recovery, • Over‑the‑air updates to on‑orbit vehicles, • Hardware‑in‑the‑loop testing and day‑in‑the‑life simulations You will own your systems end‑to‑end—from concept and architecture to implementation, testing, and on‑orbit performance. This is a role for engineers who want to see their code fly. What You’ll Do • Develop autonomous flight software for a new class of spacecraft, • Build the infrastructure for rigorous testing and large‑scale deployment, • Implement real‑time control loops, state estimation, and system health monitoring, • Design fault‑tolerant software using watchdogs, voting logic, ECC, and FDIR, • Work directly with electrical, mechanical, and mission operations engineers, • Support on‑orbit operations and deliver OTA updates to live spacecraft, • Contribute to architecture decisions that shape the entire constellation Minimum Requirements • Demonstrated excellence on a comparable software project (autonomy, robotics, flight software, or high‑reliability embedded systems), • 3+ years of professional C/C++ experience Ideal Experience You don’t need all of these, but the strongest candidates will have several: • BS in CS, EE, ME, or Aerospace Engineering, • Flight software experience for spacecraft or similar high‑reliability systems, • ARM microcontroller development, • Embedded Linux (Yocto, Buildroot, custom kernels), • Strong debugging, unit testing, and integration testing skills, • Networking fundamentals (TCP/IP, CAN, UART, SPI, I2C), • Fault‑tolerant software design (watchdogs, voting logic, ECC, FDIR), • Exposure to MISRA‑C, JSF, DO‑178C, or similar standards, • Experience in fast‑paced, high‑ownership engineering environments Who Thrives Here We hire outliers—people who have done something exceptional, unusual, or bold. Not just “good engineers,” but people who have demonstrated intensity, creativity, and a track record of doing hard things. Examples of backgrounds that stand out: • Built a complex robotics or embedded system solo, • Led major engineering projects early in your career, • Designed custom hardware or flight computers, • Worked on spacecraft, rockets, drones, or autonomous vehicles, • Promoted rapidly due to exceptional performance, • Achieved something rare in any domain—technical or otherwise If you’ve done something that made people say, “I can’t believe you pulled that off,” we want to talk to you. Why This Role Is Different • Your code will fly on every spacecraft we launch, • You will work directly with founders and senior engineers, • You will have ownership over major subsystems, • You will see your work go from idea → hardware → orbit quickly, • You will help define a new category of space technology This is a chance to build something the world has never seen before.

Job DescriptionDescriptionAs a Senior Embedded Software Engineer at Impulse focused on Actuation & Control Systems, you will be responsible for developing embedded software that controls a variety of actuated systems across launch vehicles and spacecraft. These include rocket engine valves, satellite thrusters, thrust vector control actuators, and motor-driven devices such as reaction wheels and gimbals. You will collaborate with propulsion, avionics, and GNC teams to design high-performance, fault-tolerant firmware capable of operating reliably in harsh environments such as launch and space. Responsibilities • Develop real-time firmware for controlling: Rocket engine valves and thrust vector control actuators (TVCAs); Satellite propulsion systems, including cold gas and electric thrusters; and Motor-driven systems such as reaction wheels, gimbals, and momentum wheels, • Implement closed-loop control for: Position, velocity, torque, and pressure regulation; as well as Feedback via encoders, LVDTs, resolvers, current sensors, and pressure sensors, • Interface with motor drivers and redundant actuator systems using protocols like CAN, SPI, UART, Ethernet, RS-422, and BISS-C., • Design and implement safety-critical state machines for thrust sequences, valve actuation, pressurization, and safe shutdowns, • Participate in hotfire campaigns, environmental testing, and in-flight diagnostics, • Write unit-tested and reviewable production firmware for use in both testbeds and spacecraft Minimum Qualifications • Bachelor’s degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or a related field., • 5+ years of embedded C/C++ development experience for electromechanical control systems, • Experience using oscilloscopes, logic analyzers, hardware debuggers, and source-level debuggers to troubleshoot problems at all layers of the stack., • Experience implementing real-time control loops, motor commutation, and actuator calibration routines, • Proficiency working with servo motors, stepper motors, or brushless DC motors, • Strong understanding of low-level hardware and digital interfaces (I2C, SPI, CAN, UART) Preferred Skills and Experience • Prior work on rocket engine controller software, including valve sequencing and abort logic, • Experience with satellite attitude control systems (ACS), including reaction wheels, magnetorquers, and small thrusters., • Familiarity with redundant actuator architectures and fault detection/response algorithms 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 Ground Software Engineer, you will create and implement intuitive, high-performance user interfaces, utilizing time-series databases for real-time testing and interfacing with space vehicles. You will design software systems that enable operators to conduct missions reliably and efficiently. Your work will support a wide range of activities, from near-Earth payload deliveries to geostationary orbit operations. Responsibilities • Design, develop, integrate, test, and deliver large-scale ground software and mission control systems, including operator GUI’s and automation tools, • Develop and implement software tools for operational automation, to reduce day-to-day operator responsibilities, • Support design and operation of the ground segment, including command and control, mission planning, mission data processing, and the associated infrastructure to support all activities., • Develop continuous integration and testing systems in order to confidently deploy new software., • Support end-to-end spacecraft testing to prepare Impulse hardware for flight, • Implement specific mission data processing applications into existing systems to support payloads and end data users, • Manage mission databases and data distribution, • Integrate and test ground software with satellite, ground stations, and network infrastructure, • Implement real-time data acquisition, processing, and visualization systems for satellite telemetry Minimum Qualifications • Bachelor’s degree in Computer Science, Math, Physics, Engineering, or related degrees., • 2+ years of experience with spacecraft, ground station, or other communication system operations, • 2+ years of experience in software development encompassing both back-end and front-end development, as well as database management., • Demonstrated experience working in Python for backend services, scripting, and data processing, • Experience with modern web frameworks such as Vue.js or React for building responsive UIs, • Experience with networking protocols (UDP, TCP, etc) Preferred Skills and Experience • Demonstrated experience working with time-series databases, • Familiarity with Docker and Kubernetes containerization and service orchestration systems., • Experience using Grafana and setting up Grafana dashboards, • Familiarity with modern cloud providers, preferably AWS, • Strong knowledge of satellite communication protocols, such as CCSDS, • Familiarity with source code configuration management and version control concepts 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 DescriptionPlease Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. In this position, you will be responsible for low-level and high-level software in CesiumAstro’s products through all phases of the development process. Key projects will include satellite flight software as well as mission data and operations systems for space missions. CesiumAstro’s goal is to create an out-of-the-box hardware and software experience which enhances our customers’ ability to rapidly integrate our products into their systems. As a CesiumAstro software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack, including microcontrollers, low-level drivers, board support packages (BSP), and user interfaces with an emphasis on applications and data management. Additionally, the ideal candidate will have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.JOB DUTIES AND RESPONSIBILITIES • As a technical leader, design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers., • Architect, design, develop, code, test, debug, and document space system software., • Act as a subject matter expert, providing expertise on space software systems throughout CesiumAstro., • Review code and system designs., • Analyze code for efficiency, stability, and scalability., • Integrate and validate new product designs., • Provide expert guidance to direct product design., • Support software quality assurance and optimize I/O performance., • Provide post-production/in-orbit customer support., • Interface with hardware design and development engineers., • Mentor junior team members., • Assess third-party and open-source software.JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS, • Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering., • Minimum of 9 years of industry experience in software development with a Bachelor’s degree, or a minimum of 7 years with a Masters., • Experience in developing multiple flight software systems, • Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.)., • Programming experience in C or C++., • Experience in interfacing a variety of open-source software to create an integrated system., • Familiarity with software configuration management tools, defect tracking tools, and peer review., • Excellent understanding of multi-threaded applications and resource management., • Excellent written and verbal communication skills.PREFERRED EXPERIENCE, • Experience with products for aerospace applications., • Experience with satellite operations or mission data systems, including COSMOS., • Experience with NASA's cFS flight software framework., • Adequate knowledge of reading electronics schematics and component data sheets., • Experience with ARM processors and fully-featured microcontrollers.

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