1000+ Best software engineer Jobs in Los Angeles, California (October 2025)

Rocket Lab Corporation

HITL Engineer II

24 days ago

Long Beach

Job Description ABOUT ROCKET LAB Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations. Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope. SPACE SYSTEMS At Rocket Lab, we're not just launching rockets — we're building the future of space. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more. Our Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration, in-space manufacturing to national security and defense initiatives. The team has built spacecraft, payloads, and components for missions to the Moon and Mars, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether it's a single high-performance spacecraft, constellation, or the vertically integrated components that help them get to space — our world class Space Systems team is empowering some of the boldest and most ambitious space missions. HITL ENGINEER II Based out of Rocket Lab's headquarters in Long Beach, CA, the HITL Engineer II is responsible for designing, maintaining, and operating hardware in the loop (HITL) systems. You will support the HITL Manager, Shared Services and Space Systems organization, with deliverables requested by internal leadership, board of directors, and investors. WHAT YOU'LL GET TO DO: • Design, build, operate, and maintain the HITL systems for the Rocket Lab spacecraft buses, • Work hands-on with test and flight hardware, • Work in a cross-disciplinary team to verify the functionality and performance of the Rocket Lab spacecraft buses, • Operate launch vehicle simulation platform for Day of Launch operations for specific missions, • Make and maintain accurate technical documentation via system diagrams, schematics, ICDs, procedures, test/anomaly reports, • Analyze test results from raw data for pass/fail criteria, • Troubleshoot root cause from anomalies and communicate the results and path forward with internal team, vendors, and customers, • Provide critical review for test plans, procedures, and documentation, • Operate and capture data from test equipment (DMMs, oscilloscopes, logic analyzers, spectrum analyzers, etc.) YOU'LL BRING THESE QUALIFICATIONS: • U.S. citizenship is required, due to program requirements, • Bachelor's degree in mechatronics, electronics, computer science, aerospace engineering, or related field, • 2+ years of engineering experience with hardware or software development, • Experience with electronics testing, • Experience with designing and implementing electronics test systems THESE QUALIFICATIONS WOULD BE NICE TO HAVE: • Master's in mechatronics, electronics, computer science, aerospace engineering, or related field, • Prior experience working on a PIL/HIL test environment or Avionics test, • Prior experience with Code Verification and Validation, • Ability to understand and create technical documentation via system diagrams, schematics, ICDs, procedures, test/anomaly reports, • Theoretical and practical understanding of electronic systems, • Ability to work under pressure and adhere to tight deadlines, • Familiarity with RS485/422/232, CAN, LVDS protocols, • Familiarity with CAD for test fixture and support equipment layout and design, • Familiarity with harnessing design and troubleshooting, • Strong understanding of sensors, signal conditioning, and data acquisition electronics, • Ethernet TCP/IP networking experience: switching, routing and subnetting managed switches, • Exposure to spacecraft systems or similar highly complex and autonomous systems, • Experience with PLCs, relays, and power systems, • Experience with Python, C++, Linux, CI/CD, Git, NX, VeSys, RapidHarness, SolidWorks, • Familiarity with containerization technologies, such as Docker, Kubernetes, VMs, etc., • Experience in designing and building HITL test rigs at Scale, • RF Systems experience, • Ability to be self-motivated, • Strong communication skills ADDITIONAL REQUIREMENTS: • Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to focus, • Regularly required to sit, use hands and fingers, operate computer keyboard and controls, and communicate verbally and in writing, • Must be physically able to commute to buildings Base salary is just one component of our total rewards package at Rocket Lab. Employees may also receive company equity and access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored medical HSA plan option, dental and vision coverage, 3 weeks paid vacation and 5 days sick leave per year, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match. Other perks include: Discounted employee stock purchase program, subsidized EV charging stations, onsite gym, food and drinks, and other discounts. Eligibility for benefits may vary based on employment status, please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company's discretion. Base Pay Range (CA Only)$110,000—$150,000 USD WHAT TO EXPECT We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way. Important information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here. Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days. FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations. Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.

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