Top Mechanical Engineering Jobs in Los Angeles, CA

Design and analyze satellite solar arrays and battery mechanical/electro-mechanical systems. Lead design, testing, qualification, failure investigations, and cross-functional coordination. Produce mechanical/electrical layouts using Creo/AutoCAD, apply GD&T and DFMAT, and serve as a technical lead or Responsible Engineering Authority on spacecraft solar and battery hardware.

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.

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 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.

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.

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.

Designs and documents spacecraft payload mechanical structures and interiors using 3D CAD tools. Develops RF waveguide and cable routing, coordinates requirements across engineering groups, supports suppliers and manufacturing, assists with testing and production, and investigates anomalies and corrective actions. The role is fully onsite in El Segundo and requires U.S. Top Secret/SCI clearance eligibility and U.S. citizenship.

Design and analyze bearings and mechanical systems for aerospace engines, including life, fit, and clearance analysis. Determine bearing configurations, document engineering results, support component and engine testing, analyze test data, and improve design and simulation methods. Provide technical oversight for mechanical systems architecture, coordinate contributors, lead design reviews and reports, estimate resources, mentor engineers, and support customer proposal activities.

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.

Own the design, development, analysis, testing, and delivery of mechanical hardware for space science avionics platforms. Responsibilities include designing enclosures, mounting structures, thermal accommodations, and spacecraft interfaces; ensuring hardware survives launch and space environments; solving structural and thermal packaging challenges; rapidly prototyping and debugging hardware; and leading systems through qualification to flight readiness.

Own the mechanical design, analysis, testing, and delivery of flight-ready hardware for space science avionics platforms. Develop enclosures, mounting structures, thermal accommodations, and spacecraft interfaces that withstand launch and space environments. Rapidly prototype and iterate designs, solve structural and thermal challenges, and lead systems through qualification and flight. Collaborate cross-functionally in a fast-paced aerospace environment.

Design and develop mechanical systems, fixtures, enclosures, thermal solutions, and interfaces for space electronics test equipment. Create CAD models, manufacturing drawings, work instructions, BOMs, and release documentation. Perform structural, modal, thermal, and tolerance analyses; lead prototyping, fabrication, integration, testing, and troubleshooting. Collaborate with electrical engineers, support automated test system integration, evaluate vendors, and provide production and qualification support. The role is fully onsite in El Segundo, California, with up to 10% domestic travel.

Leads spacecraft mechanical engineering efforts, establishes technical direction, and develops processes, standards, tools, and design guides. Supports engineering authorities with technical problem-solving and verification testing, provides guidance during design reviews, customer meetings, failure analyses, and trade studies, and audits programs and suppliers for improvement opportunities. Mentors mechanical engineers and advances emerging spacecraft mechanical design technologies.

Own vehicle subsystem hardware through design release, assembly, testing, and delivery. Develop build flows, work instructions, test procedures, tooling strategies, and manufacturing systems for scalable production. Support first-article builds, provide hands-on floor troubleshooting, resolve non-conformances, conduct root cause analysis, and drive continuous improvement. Coordinate design, supply chain, production, test, technicians, and vendors to ensure part readiness, quality, tooling availability, and schedule alignment.

Leads mechanical design and systems integration for aerospace turbomachinery, heat transfer products, and environmental control systems. Develops manufacturable designs using Siemens NX, Teamcenter, GD&T, tolerance analysis, materials knowledge, and manufacturing-process expertise. Coordinates priorities with customers, supports supplier and production issue resolution, advances digital product definition, improves design processes through automation and AI-enabled methods, and mentors less-experienced designers.

Leads mechanical design and systems integration for aerospace turbomachinery, heat transfer, and environmental control products. Provides technical expertise across product design definition, customer proposals, supplier and production issue resolution, design-for-manufacturability, cost reduction, and digital engineering process improvements. Mentors designers, advances automation and design standards, and supports multiple commercial and military aircraft projects.

The Lead Design Engineer is responsible for Mechanical Flight Controls, ensuring safety and compliance with FAA regulations, providing design solutions, and collaborating across teams for aircraft safety and performance.

Seeking a Senior Design Engineer for Mechanical Flight Controls, overseeing design solutions, compliance, and troubleshooting for aerospace projects.

Design and develop environmental control systems for aircraft. Responsibilities include creating and validating air and vapor cycle performance models, conducting thermodynamic, heat transfer, and fluid mechanics analyses, defining system requirements, optimizing system models, documenting results, integrating hardware and software, and performing system verification, validation, and testing. The role collaborates with cross-functional engineering teams to deliver reliable, compliant aerospace solutions.

Lead full-cycle design, analysis, manufacture, and test of Terran R flight mechanisms (stage separation, fairing, landing gear, actuators). Perform trade studies, define requirements, integrate subsystems with additive primary structures, and collaborate with vehicle, loads, avionics, and manufacturing teams to deliver hardware on time and budget.

Design and develop tools and automation equipment to support manufacturing, collaborating with various teams and managing projects throughout the production cycle.

Design and develop tools and automation equipment for manufacturing. Collaborate across teams to optimize production processes for the Terran R vehicle.

The Mechanical Engineer will design and develop flight hardware for missile defense and hypersonic vehicles, leading mechanical integration, creating structural designs, and ensuring compliance with defense standards.