Top Mechanical Design Engineer Jobs in Los Angeles, CA

Design and develop mechanical components and assemblies from concept through production using CAD, FEA, prototyping, and tolerance analysis. Create drawings, BOMs, test fixtures, and collaborate with electrical, firmware, manufacturing, and quality teams. Optimize for manufacturability and support validation, root-cause analysis, and regulatory compliance.

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.

Lead design and development of mechanical systems for the Cover Gas System, requiring expertise in fluid systems and cross-discipline collaboration.

Design, model, and analyze heat pipe systems for high-temperature and nuclear applications; develop manufacturing methods, test articles, procedures; define operating limits, investigate failures, and coordinate cross-functional and external stakeholders to deliver qualified hardware.

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.

As an Opto-Electronic Mechanical Development Engineer, you'll develop mechanical designs, perform analyses, collaborate with teams, and ensure product reliability.

Design and develop mechanical battery systems (cells, modules, housings, HV distribution, full packs) for aerospace applications. Lead structural, thermal and safety analyses, produce GD&T drawings, DFMEAs and DVP&R, define validation test plans, ensure certification compliance, support DFM/DFA for production, manage schedules, and mentor junior engineers.

Design, develop, validate, and support certification of flight mechanisms and related components (actuators, propulsion, landing gear, ECS). Lead subcomponent design (gears, bearings, seals), perform analysis and testing to environmental standards, and collaborate with electrical and software teams to take hardware from concept to flight-qualified production.

Design, analyze, and develop aircraft structural components (fuselage, wing, empennage) using composite and metallic materials. Create and release 3D CAD models and 2D drawings, perform structural analyses and FEA, define requirements and test plans, own structural testing and documentation, and collaborate with manufacturing, quality, and test teams while applying aerospace standards and GD&T.

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.

The Design Engineer - Mechanical Systems designs, develops, and verifies helicopter mechanical systems, ensuring safety, weight, and cost objectives are met.

Design hardware for a propulsion system, own mechanical designs, manage vendors, validate designs, and conduct testing for satellite propulsion.

The role involves designing, analyzing, and integrating propulsion systems, managing prototype builds, and collaborating across teams for hardware development.

The Mechanical Design Engineer III will lead the design and development of cryogenic pumps for lunar applications, collaborating with experts and managing pump life cycles.

The Senior Mechanical Design Engineer designs space-rated mechanisms, prototypes, and testing, ensuring functionality, performance, and manufacturability in a fast-paced startup environment.

The role involves mechanical design and analysis for a high-powered electric propulsion system, managing vendors, testing hardware, and validating designs through production and flight.

Design and develop mechanical systems, machine assemblies, fixtures, tooling, and robotic end-of-arm tooling using 3D CAD. Produce manufacturing drawings, BOMs, and documentation applying GD&T and DFM. Support fabrication, machining, welding, assembly, prototyping, testing, commissioning, troubleshooting, and continuous improvement while collaborating with cross-functional teams.

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.

The Mechanical Engineer - Hydronics will own the hydronic distribution architecture for modular data centers, focusing on design, commissioning, and serviceability of liquid-cooled systems.

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