Senior/Principal Mechanical Engineer Starpath RoboticsSenior/Principal Mechanical EngineerHawthorne, California$140,000–$180,000 / yearDepending on your prior work experience, you may work on a variety of systems, such as: (1) low-cost, high-reliability electromechanical actuators, (2) various structures and passive mechanisms, or (3) thermal control systems and autonomy hardware integration. EAR REQUIREMENTS: 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), (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.
Mechanical Engineer Thunderhawk Technology Partners LLCMechanical EngineerIrvine, CASeeking a Mechanical Engineer with 2–5 years of experience in turbo machinery (compressors, turbines, ECS subsystems). • Work with cross-functional teams on product development.
Mechanical Engineer (Structures) - Space Solar Starpath RoboticsMechanical Engineer (Structures) - Space SolarHawthorne, CaliforniaTo 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), (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. As a Mechanical Engineer on the Structures team, you will own load-bearing hardware from concept through flight — designing, analyzing, testing, and qualifying the structures that hold Starpath's systems together.
Senior Mechanical Engineer AmcaSenior Mechanical EngineerEl Segundo, CaliforniaToday, we operate seven factories nationwide, including our advanced prototyping and testing headquarters in El Segundo, and deliver avionics, hydraulic, and electrical components for platforms such as the F-35, F-16, F/A-18, 737MAX, 787, A320neo, A321, Mk-48, and M1 Abrams. To help close that gap, Amca rapidly develops and manufactures new critical components and subsystems required to build and sustain the planes, military vehicles, and core infrastructure America needs.
Senior Mechanical Engineer, Electronics Packaging True AnomalySenior Mechanical Engineer, Electronics PackagingLong Beach, CA$140,000–$200,000 / yearIn this role, you will own the mechanical design of avionics electronics enclosures from concept through qualification - engineering housings, brackets, and structural assemblies that protect and integrate our flight electronics while relentlessly driving down mass, managing thermal performance, and surviving the rigors of launch and on-orbit operation. True Anomaly is seeking a skilled and detail-oriented Senior Avionics Electronics Enclosure Engineer to join our Mechanical and Structures organization, fully dedicated to supporting the Avionics Components and Payloads teams.
Mechanical Engineer, Space Based Interceptorstooling & Mgse Design (Senior - Staff) True AnomalyMechanical Engineer, Space Based Interceptorstooling & Mgse Design (Senior - Staff)Long Beach, CA$125,000–$255,000 / yearDemonstrated expertise designing large structural weldments for aerospace GSE and tooling - welded steel frames, launcher support structures, integration stands, and handling bases - with proficiency in weld joint design, weld symbol specification per AWS A2.4, pre- and post-weld distortion control, material selection for weldability, and vendor qualification of WPS and welder certifications. We are seeking a Senior or Staff Mechanical Engineer, Space Based Interceptors Tooling & MGSE Design to serve as technical authority and team leader for tooling and ground support equipment across our Space Based Interceptors programs.
Mechanical Engineer- Valve Design Curtiss-Wright CorporationMechanical Engineer- Valve DesignBrea, CA$83,800–$121,000 / yearIn this position, you will play a key technical role within the Engineering Group, supporting advanced power plant programs including Generation IV reactors, Small Modular Reactors (SMRs), and the existing nuclear fleet in both domestic and international markets. This position requires deep understanding of industrial valve design, with particular emphasis on control valves and flow control equipment used in high-pressure, high-temperature steam and water applications typical of nuclear power generation.
Senior Mechanical Engineer - Turbomachinery Rotordynamics Radiant NuclearSenior Mechanical Engineer - Turbomachinery RotordynamicsEl Segundo, CARadiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Mechanical Engineer III - Spacecraft Programs Quantum SpaceMechanical Engineer III - Spacecraft ProgramsHawthorne, California$125,000–$155,000 / yearTo 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 required authorizations. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams.
Mechanical Engineer III - Advanced Manufacturing Quantum SpaceMechanical Engineer III - Advanced ManufacturingHawthorne, California$125,000–$155,000 / yearYou will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. 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 required authorizations.
Mechanical Engineer III Quantum SpaceMechanical Engineer IIIHawthorne, CA$125,000–$155,000 / yearTo 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 required authorizations. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams.
Mechanical Engineer, Motor Design - 2026 New Graduate Radiant NuclearMechanical Engineer, Motor Design - 2026 New GraduateEl Segundo, CAYou will collaborate with engineers cross-functionally and partner closely with the turbomachinery team developing a system for converting mechanical energy to electrical to be delivered to customers safely and reliably. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Mechanical Engineer (Rotary Actuators) - Space Solar Starpath RoboticsMechanical Engineer (Rotary Actuators) - Space SolarHawthorne, CaliforniaAs a Mechanical Engineer focused on rotary actuators, you will design, analyze, and qualify the rotating mechanisms that deploy and orient Starlight's solar arrays — solar array drive assemblies, deployment hinges, latches, and gimbals — that must operate flawlessly through launch, deployment, and years of continuous motion in the space environment. Select and integrate motors, gearheads, bearings, slip rings, and position sensors; size drivetrains for required torque, speed, lifetime, and backlash.
NewSenior Mechanical Engineer (Sheet Metal Structures) Radiant NuclearSenior Mechanical Engineer (Sheet Metal Structures)El Segundo, CAPerform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration, shock) to determine structural integrity (margins of safety) using both hand calculations and finite element tools. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Senior Mechanical Design Engineer BrelleSenior Mechanical Design EngineerLos Alamitos, California$140,000–$175,000 / yearProven track record releasing components to production: you've worked in a high-pace environment, participated in design reviews, and understand how designs move from concept to production level parts. Collaborate cross-functionally with Brelle’s electrical, thermal, simulation, and software teams to optimize the complete battery pack package.
Supervisor, Mechanical Design Engineer Curtiss-WrightSupervisor, Mechanical Design EngineerBrea, CaliforniaThis team is part of the Engineering Group and provides products to advanced power plant designs including Small Modular Reactors and Generation IV nuclear power plants, as well as existing power plants with decades of experience, in both domestic and international markets. Enertech, a business unit of Curtiss-Wright, is a global leader in providing valves, actuators, snubbers, pipe restraints, instrumentation, diagnostics and test equipment to the Nuclear Power Industry.
Test Engineer, Mechanical/Fluids Radiant NuclearTest Engineer, Mechanical/FluidsEl Segundo, CADesired Qualifications & Skills: Prior experience working as an operator in fast-paced test environments (e.g., rocket engine testing, turbopump testing, component level testing), with familiarity in safety protocols, and high-reliability operations, high pressure gases, safety engineering (FMECAs, Keep-out Zone). You will collaborate with a multidisciplinary team to translate complex hardware and software designs into clear, executable test operations, with encompassing test procedures that will efficiently and safely execute test, commissioning, and operational activities.
Senior Test Engineer, Mechanical/Fluids Radiant NuclearSenior Test Engineer, Mechanical/FluidsEl Segundo, CADesired Qualifications & Skills: Prior experience working as an operator in fast-paced test environments (e.g., rocket engine testing, turbopump testing, component level testing), with familiarity in safety protocols, and high-reliability operations, high pressure gases, safety engineering (FMECAs, Keep-out Zone). You will collaborate with a multidisciplinary team to translate complex hardware and software designs into clear, executable test operations, with encompassing test procedures that will efficiently and safely execute test, commissioning, and operational activities.
Ground Systems Engineer II - Mechanical - Team X Rocket Lab CorporationGround Systems Engineer II - Mechanical - Team XLos Angeles, CATo 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. 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.
FIRE PREVENTION ENGINEERING ASSISTANT I - Fire Emergency Los Angeles CountyFIRE PREVENTION ENGINEERING ASSISTANT I - Fire EmergencyLos Angeles, CA$67,719.36–$86,441.52 / yearVeteran's Credit: Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions. Fire-Examination@fire.lacounty.gov, as well as noreply@governmentjobs.com, and info@governmentjobs.com to your email address and list of approved senders to prevent email notifications from being filtered as spam/junk/clutter mail.