Top Mechanical Engineer Jobs in Los Angeles, CA

Design, install, and integrate aircraft mechanical systems and components. Create 3D CAD models, installation layouts, and detailed drawings. Manage PLM/BOM data, apply GD&T and tolerance stack-ups, support prototypes and production, perform root cause analysis, and collaborate across disciplines to ensure manufacturable, maintainable aircraft hardware.

Design, develop, and deliver mechanical hardware for space science avionics including enclosures, mounts, thermal accommodations, and spacecraft interfaces. Ensure avionics survive launch and space environments by solving structural and thermal challenges, iterating prototypes, performing analysis and testing, and delivering flight-qualified hardware.

Lead design, development, and delivery of mechanical hardware for spaceflight avionics including enclosures, mounts, thermal accommodations, and spacecraft interfaces. Solve structural and thermal challenges, iterate prototypes, perform analysis and testing, and deliver flight-qualified, mass-efficient avionics systems in a fast-paced, cross-functional environment.

Responsible for designing and developing tools and factory automation equipment to support manufacturing, collaborating with various teams for efficient production of rockets.

The role involves designing and developing tools and automation solutions for manufacturing rockets, collaborating with various teams to ensure successful project completion and integration.

The role involves designing and developing tooling and factory automation solutions for the manufacturing of rockets, with a focus on innovation and collaboration across engineering teams.

Develop innovative engineering solutions for rocket launch systems by interpreting requirements, designing CAD models, and analyzing performance.

As a Mechanical Product Design and Analysis Engineer, you will develop designs, perform thermal and structural analyses, and collaborate on PCB design, contributing to satellite missions.

Lead and mentor manufacturing engineers in producing flight-ready mechanisms, coordinate cross-functional builds, and provide technical leadership in a rapidly evolving environment.

Responsible for design and implementation of vehicle fluid systems, including pressure components and performance analysis, ensuring reliability for Terran R launch vehicle.

Design and support precision mechanical components for inertial navigation systems. Create drawings, GD&T, BOMs, and manufacturing instructions; develop and execute vibration/thermal/shock tests; provide production support, root-cause analysis, and mentor junior engineers. Collaborate across engineering, program management, supply chain, and manufacturing to ensure high-reliability inertial products.

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.

Perform structural and thermal analysis and develop/maintain finite element models for optical flight hardware. Ensure optical alignment and survivability through launch, thermal, and vibration environments. Support STOP analysis with optical engineers to meet alignment sensitivity, detector tolerances, boresight stability, wavefront error, and pointing requirements.

Design, analyze, build, test, and integrate composite overwrapped pressure vessels (COPVs) and mounts from concept through production. Lead supplier engagement, DFM, test planning, qualification campaigns, structural sizing, and cross-functional collaboration to demonstrate flightworthiness.

Lead supplier quality for mechanical components by evaluating supplier capabilities, conducting audits, defining inspection and acceptance criteria, and driving corrective actions. Provide DFM input during new product introduction, participate in design reviews and qualification activities, and collaborate with supply chain, engineering, and production to improve supplier processes and ensure parts meet aerospace standards.

Design, analyze, and test rugged subsystems and complex PCB assemblies for aerospace/defense. Lead product lifecycle from concept to production, create 3D models and drawings, perform thermal and structural analysis, support environmental testing to MIL‑STD‑810, develop BOMs, manage ECO/ECRs, and collaborate with manufacturing, quality, and procurement.

Support mechanical design and integration of electrical systems, perform CAD modeling, conduct analyses, and participate in testing in a fast-paced startup environment.

The Senior Mechanical Engineer will perform rotordynamic analysis, bearing selection, and design turbomachinery for power generation, evaluating vibrational behavior and stability of rotor-bearing systems.

Design and develop efficient structures for fission reactors, perform detailed analysis and testing, manage assembly processes, and collaborate with interdisciplinary teams.

The Senior Mechanical Engineer will design and develop sheet metal structures, perform structural analysis, conduct trade studies, and manage manufacturing processes for new reactor designs.

Plan, write, and execute mechanical and environmental qualification tests (vibration, shock, thermal, humidity, altitude, life/durability) to DO-160G and MIL-STD-810H. Design and build test fixtures and instrumentation, manage outsourced lab testing and witness customer tests domestically and internationally, analyze test data, identify failure modes, and support in-house lab development.

Design and develop mechanical structures, mechanisms, tooling, fixtures, and GSE for satellite ground station antennas. Collaborate with RF, electrical, and manufacturing teams to ensure manufacturability, thermal and structural performance, and regulatory compliance. Support design reviews, prototyping, testing, and transitioning products from concept to production for globally deployable systems.

Design custom industrial machinery: develop mechanical systems, 3D models, detailed drawings, select materials and processes, support prototyping/testing, coordinate suppliers, and collaborate with electrical/controls teams to ensure manufacturability and quality.

The Mechanical Integration & Test Engineer manages integration builds, evaluates designs, interfaces with teams, and oversees testing of satellite systems. Responsibilities include development of procedures, managing test operations, and improving systems based on evaluations.

The Senior Mechanical Engineer will design and analyze structures for space stations, considering environmental impacts and leading subsystem integrations.