Top Mechanical Design Engineer Jobs in Los Angeles, CA

Lead a small ME team to develop customer-facing electromechanical and electronics features from concept through prototype, validation, production release, and sustaining. Design HMI and consumer-electronics style components, integrate with other systems, perform bring-up and reliability testing, rapid prototyping, and support field failure analysis and production ramp.

Design and develop opto-mechanical hardware for spacecraft optical systems, including lens barrels, telescope structures, mounts, baffles, and precision mechanisms. Create CAD models, drawings, GD&T, BOMs, and test fixtures while collaborating with optical engineers to ensure alignment, stability, manufacturability, and qualification for launch and on-orbit environments.

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.

Collaborate on mechanical designs for data center systems, validating performance, overseeing construction, and ensuring designs meet quality benchmarks.

Lead mechanical design, development, testing, and analysis for a high-power electric propulsion system. Define requirements, produce 3D models and drawings, execute test plans, manage vendors, iterate prototypes, and deliver qualified flight hardware through production and flight.

Design and release mechanical hardware for reactor electronic systems including enclosures, racks, mounts, and cable management. Create 3D CAD models, drawings, BOMs, and PDM data. Perform structural, thermal, and environmental calculations/analyses. Collaborate with electrical, controls, manufacturing, and test teams; support prototyping, verification, supplier engagement, fabrication, deployment, and production issue resolution.

Lead mechanical engineering evaluations for data center opportunities, assessing HVAC, cooling, chiller, CRAH/CRAC, liquid cooling, and critical equipment systems. Conduct facility due diligence, validate capacity and design assumptions, evaluate vendors and deployment risks, and provide feasibility and Go/No-Go recommendations. Support mechanical design strategies, equipment selection, commissioning, and construction readiness while partnering with engineering teams, consultants, and vendors to establish scalable standards for hyperscale and AI infrastructure.

Design, develop, validate, and support certification of flight mechanisms (primary/secondary actuators, propulsion, landing gear, ECS). Lead subcomponent design (gears, bearings, seals), perform analysis and environmental qualification testing (DO-160G/MIL-STD-810), and collaborate with electrical and software teams from concept through fabrication and flight test.

Design and develop mechanical structures, mechanisms, tooling, fixtures, and RF feed/waveguide components for satellite ground stations. Collaborate with RF, electrical, and manufacturing teams to ensure manufacturability, reliability, and regulatory compliance, participate in design reviews, and support transition from concept to production.

The role involves designing electromechanical solutions for telecom systems, focusing on mechanical designs, thermal management, and product development. Responsibilities include overseeing prototype builds, collaborating with teams, and applying best practices in engineering.

The Mechanical Design Engineer will design vehicle structures, manage subsystem interfaces, improve design processes, and support integration and testing activities.

Design and own primary/secondary structures, mechanisms, and fluid systems for Falcon launch vehicles. Perform hand calculations, FEA, and CAD; lead design reviews; interface with suppliers/customers; manage hardware through design, assembly, launch and re-use.

Design and own primary/secondary structures, mechanisms, and fluid systems for a re-entry cargo vehicle. Perform hand calculations, FEA, and CAD; lead design reviews, qualify hardware, interface with suppliers and production, and support assembly, launch, and reuse.

The Mechanical Design Engineer will design, develop, and test mechanical components and machinery, applying engineering principles and knowledge.

The Senior Turbomachinery Mechanical Design Engineer will design and develop new turbomachinery, managing CAD models, conducting analyses, and collaborating across teams to ensure design efficacy from concept to production.

The Senior Systems Engineer will design and optimize clean energy power generation systems, focusing on mechanical and fluid dynamics, collaborating with team members and ensuring high performance and reliability.

The Mechanical Engineer focuses on leading spacecraft mechanical design, managing CAD development, and ensuring quality through collaboration with various teams. Responsibilities include overseeing designs, applying engineering principles, creating documentation, and mentoring others.

Design and develop vehicle structures from concept through production release for human-rated space stations. Define and manage subsystem interfaces, improve design processes through simplification or automation, and support integration and test activities.

Lead end-to-end mechanical design for electromechanical production systems: translate requirements into manufacturable designs, perform FEA and hand calculations, prototype and validate, create drawings/BOMs, apply DFM/DFA, and mentor junior engineers while collaborating with electrical, controls, manufacturing, and suppliers.