Top Mechanical Engineer Jobs in Los Angeles, CA

Lead end-to-end development of Northwood antenna systems from architecture through design, integration, manufacturing, and field deployment. Translate mission needs into requirements, coordinate multidisciplinary teams, manage schedules and risks, run trade studies, drive prototyping, integration, testing, and production-readiness, and contribute hands-on within a primary engineering discipline.

Design, analyze, prototype, and test spaceflight mechanisms and structures from concept through flight qualification. Produce technical documentation, vendor specifications, and execute environmental and subsystem-level testing while collaborating across disciplines to integrate and verify hardware.

Lead supplier development for machined parts: audit and improve supplier processes, perform on-site quality investigations, support NPI, provide technical guidance on specifications and manufacturing, monitor supplier performance, and mitigate supply chain risks to enable scalable aerospace production.

Design and analyze aerodynamic configurations for UAS operating in extreme weather using CFD (Ansys preferred), CAD (SolidWorks preferred), wind‑tunnel testing, and composite manufacturing; collaborate with multidisciplinary teams to translate designs into manufacturable prototypes and validate performance.

Lead full-lifecycle design and qualification of rugged electromechanical flight hardware: convert mission needs to requirements, design electromagnetic actuators and precision mechanisms, develop rugged avionics enclosures with thermal and structural survivability, architect DO-160 and MIL-STD-810 qualification testing, lead cross-functional integration, manage suppliers and quality, and personally assemble, test, and debug prototypes.

Design, develop, test, and qualify high-performance propulsion components for Starship/Super Heavy. Own component architecture, drawings, testing (shock, vibration, thermal, pressure), manufacturing integration, root-cause analysis, and cross-functional coordination to accelerate production and ensure flight readiness.

Lead end-to-end design, analysis, testing, and production of propulsion components for Starship/Super Heavy. Develop manufacturable flow-control and electromechanical devices, validate reliability through environmental testing, collaborate with manufacturing and systems teams, drive root-cause investigations, and ensure flight readiness and high production yield.

Design mechanical aspects of phased-array antennas and payloads from concept through flight: requirements, architecture trades, CAD/FEA, electronics packaging, thermal, mechanisms, manufacturing, testing, qualification, reviews, proposals, and in-orbit support.

Design, simulate, analyze, and support mechanical hardware for satellite and aerospace electronics from concept through qualification. Perform thermal, vibration, shock, EMI/EMC, and FEA analyses; create CAD models and manufacturing documentation; support testing, qualification (MIL-STD-810, DO-160G), cost analysis, and customer/leadership reviews.

Lead manufacturability and production ramp for large satellite subsystems: define production-ready build flows, tooling, and capacity; lead first-article builds and flight hardware integration; deploy advanced manufacturing and automation; mentor junior engineers; drive DFM and continuous improvement to reduce cost, risk, and cycle time.

The Senior Satellite Mechanical Engineer will lead the design and analysis of mechanical structures for satellites, collaborating with cross-functional teams, and managing hardware development and testing.

The Mechanical Engineer will design and qualify propulsion systems for spacecraft, perform analyses, support testing, and collaborate with multidisciplinary teams.

The Mechanical Engineer will design components for autonomous rail vehicles, create CAD models, and troubleshoot mechanical issues. The role involves collaboration across teams and extensive hands-on work with hardware.

Lead and oversee structures design, analysis, testing, and operation for planetary rovers. Define best practices, design mechanical/thermal architectures, build team tools, set priorities across program phases, and mentor and develop structures engineers.

Design and develop electromechanical packaging for MANET radios, produce CAD drawings and BOMs, perform failure analysis, thermal design and testing, define DFM/DFA and manufacturing processes, support production and QA, and execute FAAT/DVT.

Design and develop rugged electromechanical packaging for MANET radios, create CAD drawings and BOMs, perform failure analysis, thermal and DFM/DFA work, support production and testing (FAAT/DVT), and provide technical guidance to assembly and QA teams.

The Senior Mechanical Engineer will design HVAC systems for data centers, perform heat load calculations, ensure energy efficiency, and collaborate with electrical engineers. Responsibilities include system design, redundancy features, and maintaining air quality.

The Senior Mechanical Engineer will lead mechanical design efforts, develop complex mechanical systems, and drive innovation in hardware development.

Design and implement custom infrastructure for manufacturing systems while managing critical utilities and ensuring operational efficiency. Lead system monitoring and maintenance for optimal performance.

The Mechanical Engineer will lead projects from concept to production, designing and testing mechanical systems while collaborating across engineering disciplines.

Lead the development and deployment of custom opto-mechanical systems for advanced metal 3D printing, focusing on assembly, alignment, and integration of complex systems.

Lead the design and development of opto-mechanical systems for advanced metal 3D printers, integrating lasers and cameras to enhance performance and precision.

As a Mechanical Engineer for Site Infrastructure, you'll design infrastructure for next-gen printing systems, manage utilities, and ensure operational efficiency.

As a Mechanical Engineer, you will design mechanical systems for industrial applications, support capital projects, and collaborate with teams to deliver high-quality solutions.

Design, develop, test, and qualify Flight Termination System hardware and explosive devices for Starship. Lead hardware lifecycle from concept through production, environmental and live-fire testing, integration, risk assessment, and root-cause investigations while collaborating across manufacturing, avionics, and flight safety teams.