NewSr. Mechanical Design Engineer (Starship Components) Space Exploration TechnologiesSr. Mechanical Design Engineer (Starship Components)Hawthorne, CA$135,000–$190,000 / yearRESPONSIBILITIES: Develop state-of-the-art, manufacturable flow control devices (valves, regulators, solenoids), mechanisms (flap/fin/payload door actuators), and electromechanical devices through end-to-end ownership (design, analysis, production layout, assembly, environmental testing, and vehicle integration) across Starship and Super Heavy stage systems. Partner with manufacturing, production, testing, and supply chain to achieve SpaceX's highest-yet component build rate, striving for high factory yield and automotive volume/cost.
Wire Harness Design Engineer Salient MotionWire Harness Design EngineerTorrance, California$90,000–$110,000 / yearYou will work closely with our electrical hardware engineering, motor control, and mechanical engineering teams, and will interface directly with seat OEM customers during ITCM and with DERs during qualification and certification. You will perform harness design on complex programs end-to-end, author functional test procedures, support qualification testing, and work with suppliers to drive integration and first article inspection.
Structural Dynamics Engineer Castelion CorporationStructural Dynamics EngineerTorrance, CaliforniaYou'll work across structures, propulsion, avionics, flight test, manufacturing, and test engineering to ensure our vehicles survive some of the harshest dynamic environments imaginable. You will develop high-fidelity analytical models, validate them through testing, and provide the engineering insight that drives design decisions from concept through flight.
Structural Analysis Engineer Castelion CorporationStructural Analysis EngineerTorrance, CaliforniaIn addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.
Mechanical Engineer Fall 2026 Co-Op Castelion CorporationMechanical Engineer Fall 2026 Co-OpTorrance, CaliforniaCastelion 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. To conform to U.S. Government export regulations, the applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Senior Software Simulation Engineer HermeusSenior Software Simulation EngineerLos Angeles, CA$150,000–$190,000 / yearLeveraging Model-Based Design (MBD) principles, you will use MATLAB/Simulink and automated code generation tools to translate dynamic system models into executable real-time code for Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) testing. Ideal candidates will have a solid understanding of aerospace systems, control theory, and real-time simulation platforms, along with hands-on experience in model-based code generation, HIL development, and test automation within safety-critical environments.
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.
Manufacturing Engineer, New Grad HermeusManufacturing Engineer, New GradLos Angeles, CAFamiliarity with welding processes such as gas tungsten arc welding, gas metal arc welding, laser beam welding, electron beam welding, plasma arc welding, resistance welding, friction-stir welding, or orbital tube welding. This is an ideal opportunity for a recent graduate who has strong hands-on experience through internships, research, capstone projects, student competition teams, or manufacturing environments and is excited to build, test, learn quickly, and contribute directly to flight hardware development.
Senior Mechanical Engineer Salient MotionSenior Mechanical EngineerTorrance, California$160,000–$190,000 / yearPrecision Mechanism Design: Design and iterate on electromagnetic actuators and intricate mechanisms, integrating components such as precision gears, bearings, lead screws, braking systems, and encoders. Ruggedized Avionics: Develop high-performance avionics enclosures, focusing on innovative thermal management (heat rejection) and structural survivability in extreme, high-vibration, or vacuum environments.
Senior Valve Design Engineer I CesiumAstroSenior Valve Design Engineer IEl Segundo, CA$118,000–$142,000 / 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. The ideal candidate will have a strong background in CAD systems, CFD and FEA simulations, combined with hands-on experience in experimental development and testing of all types of valves (inc.
Senior Power Electronics Engineer Salient MotionSenior Power Electronics EngineerTorrance, California$175,000–$200,000 / yearSelect and apply Si, SiC, and/or GaN power devices (as appropriate) and design gate-drive, controller, feedback stability, magnetic components including power inductors and transformers, sensing, and protection (short-circuit, overcurrent, over/undervoltage, thermal, desaturation). Strong experience with power converter/inverter topologies, architecture, device selection, gate-drive design, controller selection, feedback gain, stability margin, protection, and high-voltage, high-current PCB/layout practices.
Loads and Dynamics Engineer HermeusLoads and Dynamics EngineerLos Angeles, CAThis individual will work closely with the aerodynamics and structures teams to develop and refine external loads, create dynamic simulations, validate analysis through testing and flight, and evaluate flutter behaviors to support aircraft development. Strong proficiency in structural dynamics, vibration analysis, and loads analysis for high-speed aerospace vehicles, preferably hypersonic or supersonic vehicles.
Senior Launch Vehicle Design Engineer I CesiumAstroSenior Launch Vehicle Design Engineer IEl Segundo, CA$140,000–$168,000 / 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 role, you will work across multidisciplinary engineering teams to solve complex technical challenges, drive system-level design trades, and ensure mission success through rigorous analysis, testing, and validation.
Senior Systems Engineer, Safety and Reliability Salient MotionSenior Systems Engineer, Safety and ReliabilityTorrance, California$160,000–$175,000 / yearSafety Frameworks: Demonstrated working knowledge of SAE ARP4754B and SAE ARP4761A, or equivalent frameworks (IEC 61508, MIL-STD-882, ISO 26262 considered). You will work directly with our systems engineering lead, DER, and cross-functional leads across hardware, software, and mechanical engineering on a fast-moving FAA Part 25 / EASA CS-25 certification program.
Process Safety & Chemical Engineer GKN Aerospace Services LtdProcess Safety & Chemical EngineerGarden Grove, CA$120,464–$150,580 / yearTranslate Cal/OSHA PSM, federal OSHA PSM, EPA RMP, California CalARP, Orange County CUPA, fire code, hazardous materials, and aerospace customer expectations into practical risk controls for MMA/monomers, flammable solvents, adhesives, coatings, resins, catalysts/inhibitors, tanks, reactors/mixers, ovens, autoclaves, furnaces, utilities, and chemical storage/transfer systems. Prevent fires, explosions, toxic releases, uncontrolled polymerization, chemical exposure events, environmental releases, and production interruptions by applying disciplined chemical engineering, process hazard analysis, mechanical integrity, management of change, operating procedure, and emergency preparedness practices.
Environmental Engineer (Water) GKN Aerospace Services LtdEnvironmental Engineer (Water)Garden Grove, CA$96,466–$120,583 / yearTranslate federal Clean Water Act/NPDES concepts, California Water Board requirements, Santa Ana Regional Water Quality Control Board expectations, local City of Garden Grove environmental compliance interfaces, and customer/audit expectations into reliable daily execution for acrylic casting/forming, solvent bonding, coatings, glass processing, finishing, maintenance, and utilities. Familiarity with Santa Ana Regional Water Quality Control Board programs, City of Garden Grove environmental compliance interfaces, Orange County CUPA/CERS, South Coast AQMD coordination, DTSC hazardous waste interfaces, and EPA NPDES concepts.
Senior Propulsion and Energetics Analyst (Fluids) InversionSenior Propulsion and Energetics Analyst (Fluids)Hawthorne, CA$137,000–$193,000 / yearITAR Compliance: 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. The ideal candidate can work autonomously to build out an analysis program, works well in a fast-paced environment, can interface with many stakeholders, has great documentation and communication skills, has a great attitude, and has a passion for solving complex problems.
Principal/Sr. Principal Engineer - Structural Analysis Northrop Grumman CorpPrincipal/Sr. Principal Engineer - Structural AnalysisEl Segundo, CA$114,000–$171,000 / yearBasic Qualifications: BS degree in Engineering (Aerospace, Mechanical, or Civil) and a minimum of 8 years of experience in Aerospace structural analysis or MS degree in Engineering (Aerospace, Mechanical, or Civil) with 5 years of experience. Looking for an Engineer who analyzes, researches and develops structural engineering specifications involving metals, non-metallic or composite structural materials for product design.
Principal Systems Architect Engineer - MBSE Cameo Northrop Grumman CorpPrincipal Systems Architect Engineer - MBSE CameoRedondo Beach, CA$114,000–$171,000 / yearBasic Qualifications: Must have a Bachelors degree in a STEM field and at least 5 years of relevant military / professional experience, OR a Master''s Degree in a STEM field and at least 3 years of relevant military / professional experience, OR a PhD and at least 1 year of relevant military / professional / academic experience. Cameo Systems Modeler production - Build Activity, Internal Block Diagram (IBD), and Block Definition Diagram (BDD) models; maintain model traceability and version control.
Sr. Principal Electronics Engineer - Network Architect Northrop Grumman CorpSr. Principal Electronics Engineer - Network ArchitectEl Segundo, CA$142,200–$213,400 / yearBasic Qualifications: Must have a Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university AND 8 years of related professional/military experience in Engineering; OR a Master's degree in a STEM discipline from an accredited university AND 6 years of related professional/military experience in Engineering; or a Ph. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.