Top Mechanical Engineering Jobs in Los Angeles, CA

Owns mechanical and structural design, packaging, analysis, testing, and validation of secondary avionics structures for the Terran R rocket. Provides technical direction, approves designs and analyses, makes architecture-level tradeoffs, and leads cross-functional integration across avionics, fluids, dynamics, thermal, structures, and vehicle integration teams. Ensures hardware meets static, dynamic, and thermal flight environments while balancing mission requirements, producibility, schedule, and cost.

Designs and analyzes mechanical structures and electronics packaging for space systems. Responsibilities include structural, thermal, dynamics, and vibration analysis; PCB layout and integration; trade studies; design validation; compliance documentation; root-cause investigations; process improvement; supplier support; and emerging technology evaluation. The role collaborates across engineering disciplines and is fully onsite in El Segundo, California.

Designs, analyzes, tests, and delivers electromechanical avionics systems for the Terran R launch vehicle. Responsibilities include developing enclosures, electrical interfaces, thermal accommodations, and launch-vehicle interfaces; ensuring hardware survives launch and space environments; performing structural and thermal analysis; building and debugging lab hardware; and supporting qualification and flight readiness.

Design, develop, test, commission, and improve automated manufacturing equipment from concept through production. Evaluate vendors, perform failure mode analysis, troubleshoot production issues, implement engineering changes, and ensure equipment meets throughput, quality, safety, and reliability requirements. Collaborate with production and process engineering teams, document equipment for operators, and support commissioning and handoff into reliable production use.

Design, analyze, build, and test mechanical mechanisms for spacecraft solar array deployment and articulation. Responsibilities include torque budgeting, drivetrain and bearing selection, life analysis, environmental testing, failure investigation, and cross-functional system integration. The role supports design reviews, FMEA/FMECA, NASA deliverables, and mission-critical testing for human-rated space stations.

Leads mechanical design projects for launch vehicle and ground systems from concept through implementation. Coordinates technical requirements, develops 3D CAD models and mechanical, fluid, and electrical schematics, and performs structural, dynamic, and system performance analyses using hand calculations and FEM. Presents designs and project updates to engineering and cross-functional teams, ensuring functionality, feasibility, safety, and timely delivery.

Leads mechanical architecture and full-lifecycle development for RF phased-array systems, including requirements definition, CAD design, structural and thermal analysis, prototyping, testing, production support, and manufacturability. Designs enclosures, mechanisms, mounting structures, harnesses, and cable assemblies while addressing shock, vibration, thermal, and dynamic-load requirements. Collaborates with electrical, RF, systems, manufacturing, and supply chain teams, presents design reviews, mentors engineers, and develops tools to improve engineering workflows.

Designs and specifies vehicle fueling infrastructure, emphasizing hydrogen and CNG systems. Responsibilities include mechanical engineering, high-pressure piping and compressor-system design, BIM/CAD coordination, code compliance, specifications, design quality control, equipment research, interdisciplinary coordination, submittal review, field inspections, and technical reporting. The role requires California PE licensure, project collaboration, occasional business development, and travel for inspections. Experience with electrical power systems, Revit, HAZOP, petroleum fueling, and EV charging is beneficial.

Design and develop thermal control systems and components for human-rated artificial-gravity space stations. Lead design trades, fluid analyses, manufacturing process iteration, testing, design reviews, systems integration, and project delivery through production, launch, and orbit insertion. Ensure designs are manufacturable, reliable, and optimized through structural analysis, failure investigation, trade studies, and collaboration with suppliers, customers, technicians, and interdisciplinary engineering teams.

Design and develop thermal control systems and components for human-rated space stations, from design trades through production, launch, and orbit insertion. Perform fluid analyses, systems engineering, testing, manufacturing process development, trade studies, and structural analysis. Lead design reviews and coordinate with suppliers, customers, technicians, software, avionics, and mission operations teams to deliver reliable, manufacturable hardware.

Designs and validates avionics enclosures, mounts, batteries, and crew-interface components for human-rated space stations. Responsibilities include mechanical design, thermal and structural analysis, electronics packaging, requirements validation, testing, technical documentation, assembly drawings, and hardware-build support. The role partners closely with electrical engineering and supports mission-critical avionics development in extreme environments.

Design and integrate rugged avionics enclosures, mounts, and brackets for human-rated space stations. Responsibilities include electronics packaging, interface documentation, requirements validation, thermal and structural analysis, engineering drawings, configuration management, hardware builds, and environmental qualification testing. The role collaborates closely with electrical engineering teams throughout the flight-critical product lifecycle and supports mission-critical testing and integration.

Design and integrate rugged avionics enclosures, mounts, and electronic packaging for human-rated space stations. Responsibilities include requirements validation, trade studies, thermal and structural analysis, engineering drawings, configuration management, test planning, qualification, and hardware integration. The role collaborates with electrical engineering teams throughout the flight and mission-critical avionics design lifecycle and supports hardware builds and testing in a dynamic environment.

Ensures the quality of procured mechanical components, services, and processes through supplier audits, inspection strategies, non-conformance reporting, CAPA, PFMEA, and corrective-action verification. Uses CMMs, laser trackers, GD&T, and precision measurement techniques to validate complex components. Partners with engineering, production, and suppliers on manufacturability, tolerance stack-ups, NPI, APQP, PPAP, process improvement, cost reduction, and supplier performance metrics.

Designs, builds, and operates test rigs and ground support equipment for ECLSS fluid, chemical, and electrical control systems. Performs hardware assembly, instrumentation, integration, troubleshooting, data collection, and analysis. Develops test procedures, work instructions, schematics, and DAQ setups while supporting flight-hardware acceptance and qualification campaigns. Collaborates with manufacturing, controls, and responsible engineering teams to transition research testing into standardized production processes.

Design and integrate mechanical hardware for spacecraft batteries, solar arrays, and related power subsystems. Own CAD models, packaging, mounting, deployment interfaces, thermal and structural considerations, connector placement, and harness routing. Create drawings, BOMs, and controlled documentation while collaborating with power, avionics, thermal, structures, manufacturing, and integration teams. Support installation, fit checks, testing, and resolution of mechanical integration issues.

Design and integrate mechanical components for autonomous spacecraft, including CAD models, packaging, mounts, brackets, drawings, bills of materials, and system interfaces. Collaborate with propulsion, avionics, GNC, thermal, manufacturing, and integration teams to ensure hardware is buildable, testable, and maintainable. Support fit checks, floor integration, build activities, and hardware rework while maintaining disciplined configuration control.

Designs, builds, commissions, and maintains mechanical, electrical, fluid, instrumentation, and automation test infrastructure for spacecraft and manufacturing operations. Owns ground support equipment, propulsion test stands, environmental chambers, PLC cabinets, data acquisition systems, and gas or liquid systems. Partners with multidisciplinary teams, supports PLC and EtherCAT tooling, ensures high system uptime, and documents reliable production processes.

Designs, builds, commissions, and maintains automated test infrastructure and ground support equipment for spacecraft and flight hardware. Responsibilities include integrating mechanical, electrical, fluid, and instrumentation systems; developing PLC cabinets and data acquisition systems; supporting thermal, propulsion, vibration, and environmental testing; and owning infrastructure reliability, documentation, and ongoing improvements. The role partners with propulsion, avionics, GNC, and manufacturing teams in a fast-paced, on-site aerospace environment.

Designs and manages mechanical process engineering projects for industrial plants. Responsibilities include developing P&IDs, performing mass and energy balances, conducting site investigations, sizing process and utility equipment, preparing construction documents, coordinating contractors and vendors, managing construction budgets and schedules, and commissioning process and HVAC systems. Requires an engineering degree, at least four years of experience, CAD proficiency, project software skills, and travel up to 40%.

Lead full-lifecycle development of mission-critical electromechanical and aerospace hardware, from requirements definition and precision mechanism design through prototyping, assembly, testing, and qualification. Design actuators, mechanisms, and ruggedized avionics enclosures; perform strength, fatigue, and lifecycle analyses; create SolidWorks models and GD&T drawings; qualify hardware to DO-160 and MIL-STD-810; coordinate suppliers, resolve manufacturing deviations, and support cross-functional integration.

Design, analyze, manufacture, and test rocket mechanisms including stage separation, payload deployment, landing gear, and aerodynamic actuation systems. The role covers full-cycle engineering, trade studies, requirements definition, structural analysis, subsystem integration, additive manufacturing, and hardware testing. The engineer collaborates with structures, avionics, fluids, vehicle design, test, loads, and manufacturing teams while leading projects to completion on schedule and within budget.

Design, analyze, build, and test rocket mechanisms including stage separation, payload deployment, aero control systems, and landing gear. Lead trade studies, define requirements, evaluate loads and materials, integrate subsystems, and collaborate with structures, avionics, fluids, manufacturing, and test teams. Own projects through the full design lifecycle while supporting additive manufacturing and manufacturability improvements.

Leads qualification and acceptance test campaigns for aerospace hardware and spacecraft. Develops automated test infrastructure, designs mechanical ground support equipment, manages test projects, and performs hands-on implementation and validation. Collaborates with design and test engineers to define requirements and refine concepts. Requires aerospace engineering experience, environmental testing expertise, CAD and analysis software proficiency, and test automation capabilities.

Leads mechanical design and mechanism development for space robotics, precision mechanisms, electromechanical assemblies, tooling, fixtures, and ground support equipment. Owns hardware from architecture and detailed design through analysis, procurement, assembly, integration, environmental testing, qualification, and flight delivery. Responsibilities include technical reviews, trade studies, tolerance analysis, SolidWorks documentation, vendor coordination, risk management, cross-functional collaboration, mentoring, and troubleshooting of spaceflight hardware.