Top Mechanical Engineering Jobs in Los Angeles, CA

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.

Own aerospace hardware through design release, assembly, testing, and delivery. Develop build flows, work instructions, test procedures, tooling strategies, and manufacturing documentation. Support first-article builds, provide hands-on floor assistance, resolve nonconformances, perform root-cause analysis, and drive process improvements. Coordinate with design, supply chain, production, test, technicians, and vendors to ensure readiness, quality, and schedule alignment. This is a second-shift position beginning at 3 p.m. PT.

Own aerospace hardware from design release through build, test, and delivery. Develop build flows, work instructions, test procedures, tooling strategies, and production documentation. Support first-article and high-volume assembly builds, provide hands-on floor troubleshooting, resolve non-conformances, perform root cause analysis, and drive continuous improvement. Coordinate with design, supply chain, production, test, technicians, and vendors to ensure hardware readiness, quality, and schedule alignment.

Designs and validates mechanical special test equipment for space-grade electronics, including enclosures, fixtures, thermal systems, interfaces, and integration hardware. Creates CAD models, manufacturing drawings, work instructions, analyses, BOMs, and release documentation. Leads prototyping, fabrication, lab testing, troubleshooting, and automated test-system integration. Collaborates with electrical engineers, supports production and environmental qualification, evaluates vendors, and tracks project schedules and costs. The role is fully onsite in El Segundo, California, with up to 10% domestic travel.

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.

Designs and analyzes space electronics packaging, mechanical structures, and PCBs across the product lifecycle. Performs structural, thermal, dynamics, and vibration analyses; conducts trade studies, testing, validation, root-cause investigations, and corrective actions. Collaborates with electrical, satellite, supplier, and multidisciplinary engineering teams, documents compliance, supports make-or-buy decisions, tracks technical performance, and evaluates emerging technologies. The role is fully onsite in El Segundo, California, with potential relocation support.

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 design, development, and delivery of mechanical hardware for spaceflight avionics (enclosures, mounts, thermal accommodations). Ensure survivability through structural and thermal analysis, rapid prototyping, lab testing, qualification, and cross-functional integration to produce flight-ready avionics systems.

Own design, development, and delivery of mechanical hardware for spaceflight avionics (enclosures, mounts, thermal accommodations). Ensure survivability through structural and thermal analysis, hands-on prototyping, testing, and iteration to deliver flight-ready avionics systems.

Lead architecture, integration, verification, and validation for complex aerospace mechanical systems. Provide technical leadership across control systems integration, test and development equipment, and field issue resolution. Collaborate with multidisciplinary engineering teams, program managers, stakeholders, and customers while ensuring compliance with quality standards. Drive technical problem-solving, communicate complex concepts clearly, and support project execution against scope, schedule, and performance targets.

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.

The Staff Mechanical Design Engineer will design and develop tools and automation solutions for manufacturing, collaborating closely with various engineering teams.

Lead spacecraft mechanical design and analysis, set technical direction, create processes/tools/standards, support verification and testing (vibration, TVAC), audit suppliers, mentor mid-career engineers, and provide technical guidance to programs.

Serves as technical authority and team leader for space-based interceptor tooling and mechanical ground support equipment. Responsibilities include requirements, CAD design, fabrication, qualification, vendor management, safety and regulatory compliance, configuration control, root-cause investigations, budgets, schedules, and production support. Leads tooling engineers, chairs design reviews, and presents to program leadership, MDA offices, and government stakeholders. Designs fixtures, lifting devices, launch equipment, transportation containers, weldments, and integration tooling while ensuring compliance with defense and aerospace standards.

Provides sustaining and project engineering support for theme park rides and attractions. Troubleshoots mechanical and structural issues, performs redesigns, manages design-to-installation projects, develops specifications and acceptance tests, oversees vendors and installations, and ensures compliance with safety standards and regulations. The role also coordinates cross-functional engineering activities, maintains technical documentation, reviews engineering changes, supports new attraction development, and mentors associate engineers.

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.