NewPrincipal Supplier Quality Engineer CesiumAstroPrincipal Supplier Quality EngineerEl Segundo, CAJob Description Please 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. Establish and analyze supplier performance metrics including defect rate, nonconformances, on-time delivery, cost of rework/scrap, and supplier corrective action resolution.
NewPrincipal Power Electronics Engineer I CesiumAstroPrincipal Power Electronics Engineer IEl Segundo, CAIn this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for satellites and space power systems payloads—from leading the definition of power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, production transition, and manufacturing support. Experience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocks.
NewPrincipal FPGA Engineer AstrolabPrincipal FPGA EngineerHawthorne, CADevelop FPGA logical architecture and requirements in collaboration with other engineering disciplines including defining HW/SW interfaces between fabric logic and processing subsystems. 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.
NewPrincipal Electrical Engineer, Integration & Test Radiant IndustriesPrincipal Electrical Engineer, Integration & TestEl Segundo, CA$200,500–$314,475 / yearPortable 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. The ideal candidate brings deep electrical engineering expertise, strong systems-level thinking, and a track record of leading complex hardware programs from concept to deployment.
NewPrincipal Electrical Systems Design Engineer EpirusPrincipal Electrical Systems Design EngineerTorrance, CA$178,600–$215,800 / yearTo 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. Distinguishing itself from lasers, Leonidas excels against drone swarms while also bending the cost curve back in DoD's favor - taking drone defeat costs from millions of dollars per drone to pennies on the dollar.
Principal Software Engineer, AI Enablement - Central Product Riot GamesPrincipal Software Engineer, AI Enablement - Central ProductLos Angeles, CA$229,200–$319,500 / yearOperating as part of an elite, highly mobile strike team, you will build production-ready AI integrations, develop robust developer tools, and level up partner engineers through side-by-side collaboration. Embed and Accelerate: Deploy onto partner teams across Riot to break down complex AI implementation problems, establish technical direction, and deliver scalable, highly performant solutions.
Principal CAD Designer CesiumAstroPrincipal CAD DesignerEl Segundo, CA$48.50–$58.35 / hourThe Principal CAD Designer serves as a key technical resource supporting engineering teams through design execution, product data management, engineering change implementation, and continuous improvement of CAD processes and documentation practices. Please 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.
Principal Product Manager United Talent AgencyPrincipal Product ManagerBeverly Hills, California$200,000–$250,000 / yearBuild deep partnerships with cross‑functional leaders—including agents, executives, operations, and engineering—to surface needs, align on priorities, and champion a client‑ and creator‑centric product approach. Define and maintain epics, user stories, and acceptance criteria for complex initiatives, enabling effective agile execution and clear alignment across engineering and design teams.
Principal Component Engineer I CesiumAstroPrincipal Component Engineer IEl Segundo, CA$148,500–$199,000 / yearPlease 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. If you enjoy working in a startup environment and are passionate about developing leading-edge electronics for satellites, spacecraft, and aerospace systems, we would like to hear from you.
Principal Power Electronics Engineer II CesiumAstroPrincipal Power Electronics Engineer IIEl Segundo, CA$217,000–$266,000 / yearDesign elements and responsibilities will include isolated and non-isolated DC-DC converters, maximum power point tracking solar power converters, magnetics design and analysis, system-level power management and distribution design, point-of-load regulators, switching and linear regulators, filters, and stability analysis and measurement. As a principal engineer on the hardware team, you will be responsible for hardware designs from concept through production, including product roadmaps, block diagrams, part selection, schematic design, PCB layout and routing, analysis, manufacturing (working with contract manufacturers), test, qualification, and in-orbit support.
Principal Guidance, Navigation & Controls Scientist GrvtyPrincipal Guidance, Navigation & Controls ScientistVentura, California$270,000–$300,000 / yearCollaborate with navigation subject matter expert to transfer deep domain knowledge from decades of accumulated know-how and documented navigational principles and applied techniques. GRVTY is seeking a Principal Guidance, Navigation & Controls (GNC) Scientist to serve as a technical authority for autonomous vehicle GNC capabilities and advanced navigation products and software.
Principal Communication Systems Engineer I CesiumAstroPrincipal Communication Systems Engineer IEl Segundo, CA$148,500–$199,000 / yearPlease 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. In this position, you will help develop space architecture concepts, sub-system design, payload design, requirements development, analysis and decomposition, high-level software and hardware system architecture design, concept of operations (CONOPS) development, and risk assessment.
Principal Mechanical Engineer Salient MotionPrincipal Mechanical EngineerTorrance, California$200,000–$230,000 / yearRequirements Architecture: Translate high-level, ambiguous mission needs into actionable functional and operational requirements for complex electromechanical systems, including spacecraft structures, docking and release mechanisms, robotic arm systems, and military-grade ground support hardware. Cross-Functional Leadership: Act as a technical anchor across the organization, guiding integration efforts, supporting multidisciplinary teams through complex system testing, and authoring test plans, procedures, proposals, and associated program documentation.
Principal GNC Engineer, Responsive Space (Top Secret Clearance) Impulse SpacePrincipal GNC Engineer, Responsive Space (Top Secret Clearance)Redondo Beach, CA$230,000–$270,000 / yearThis 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. Participate in vehicle-level hardware and software design reviews and trade studies, coordinating GNC needs to cross-discipline teams.
Principal Build Reliability Engineer Castelion CorporationPrincipal Build Reliability EngineerTorrance, CaliforniaHands-on development of design for manufacturability through ensuring identification of key characteristics, prototype testing for manufacturability, First Article and Detailed Inspection planning, evaluation of previous non-conformances and lessons learned, and other manufacturing and quality tools as required. Participating in Preliminary Design Review (PDR) / Critical Design Review (CDR) to ensure design for quality (DFQ), design for manufacturability (DFM), risk quantification and mitigation, and that appropriate test validation methods and inspection techniques, including nondestructive evaluation methods, have been considered.
Principal Engineer - Infinity Ward - Temporary ActivisionPrincipal Engineer - Infinity Ward - TemporaryWoodland Hills, CA$171,100–$316,576 / yearPriorities can often change in a fast-paced environment like ours, so this role includes, but is not limited to, the following responsibilities: Design and implement cutting edge core systems that either provide new functionality or improve the efficiency of our existing code base. As a leading worldwide developer, publisher and distributor of interactive entertainment and products, our "press start" is simple: delight hundreds of millions of players around the world with innovative, fun, thrilling, and engaging entertainment experiences.
Senior/Principal Mission Software Engineer HermeusSenior/Principal Mission Software EngineerLos Angeles, CA$128,250–$156,750 / yearAbout The Role: The Mission Systems Engineering team develops the Mission Management System-the software platform connecting mission subsystems, autonomy services, operator interfaces, communications links, and telemetry across Hermeus aircraft and ground systems. Preferred Skills and Experience: Experience with mission systems, command-and-control software, mission planning, ground-control systems, autonomy platforms, or operator-facing applications.
Principal Guidance-Navigation-Controls Engineer GrvtyPrincipal Guidance-Navigation-Controls EngineerVentura, California$235,000–$260,000 / yearAn employee in this position frequently sits or stands in the same location with opportunity to move about; regularly thinks, concentrates, analyzes, interprets, interacts with others, and communicates orally and in writing; regularly reads, sees, hears, and speaks; regularly uses a computer; and frequently uses hands to write, type, finger, handle, or feel. GRVTY is seeking a Principal Autonomy / Behaviors Engineer to design, develop and field-validate the autonomous mission behaviors that govern how our autonomous undersea vehicles (AUV) perceive, reason, and act in complex maritime environments.
Principal Welding Engineer Impulse SpacePrincipal Welding EngineerRedondo Beach, CA$190,000–$225,000 / yearAs a Principal Weld Engineer at Impulse you will help develop, qualify and optimize welding designs and processes with both laser beam, gas tungsten arc welding, friction stir welding, and orbital tube welding. Develop, optimize, and qualify weld processes and parameters for multiple welding processes including but not limited to: laser beam welding, friction stir welding, gas tungsten arc welding, orbital tube welding.
Principal Software Engineer Guitar Center CompanyPrincipal Software EngineerWestlake Village, CA$150,000–$190,000 / yearFull timeResponsibilities will include, but will not be limited to the following: Systems Architecture & Design: Lead the design of scalable microservices and API-driven architectures that support real-time inventory, Point of Sale (POS), and warehouse management systems. Requirements Gathering & Specification: Partner with Supply Chain and Retail Product Managers to translate complex business workflows into high-availability technical specifications.