Mechanical Engineer jobs in Washington

Shield AI

Full-time · Seattle, WA · $266,000 – $400,000

Lead the design and optimization of fluid and thermal systems for autonomous aircraft and ground vehicles at a defense-tech company. This role suits experienced engineers who want to drive innovation in mission-critical systems while working with a values-focused team.

Listed on Shield AI’s careers site · Apply there ↗

Stoke Space

Full-time · Kent, WA · $95,550 – $120,645

This is an early-career mechanical engineering role at a space launch vehicle company, focused on designing and building hardware for a reusable rocket. The position suits engineers who have hands-on fabrication experience and are energized by learning rapidly while owning projects from concept through flight.

Listed on Stoke Space’s careers site · Apply there ↗

Crane Co.

Lynnwood, WA · $150,800 – $177,400

Crane Aerospace seeks a senior mechanical engineer to design and develop aerospace and defense components and systems, working independently within cross-functional teams on complex technical challenges. This role suits experienced engineers comfortable with 3D CAD modeling, analysis work, and mentoring others in a manufacturing environment serving defense and space markets.

Listed on Crane Co.’s careers site · Apply there ↗

Stoke Space

Full-time · Kent, WA · $129,150 – $252,105

Lead the structural and mechanical engineering for the aft section of a reusable rocket, managing a team through design, build, and flight testing of systems like propellant tanks and thrust control. This suits experienced aerospace engineers who have shipped flight hardware and want hands-on leadership in a rapid-iteration startup.

Listed on Stoke Space’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $160,000 – $240,000

Shield AI seeks a mechanical test engineer to design measurement systems and validate aircraft performance for defense applications. This role suits someone with hands-on experience in hydraulic systems, instrumentation, and Python who wants to contribute directly to hardware that protects service members.

Listed on Shield AI’s careers site · Apply there ↗

Stoke Space

Full-time · Kent, WA · $109,725 – $252,105

Design mechanical solutions for avionics packaging and launch vehicle integration at a reusable rocket company, working across structures, production, and flight hardware teams to develop hardware from concept through qualification and flight.

Listed on Stoke Space’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $150,000 – $230,000

Shield AI seeks a technical leader to design and build mechanical test infrastructure for validating autonomous aircraft hardware in demanding operational conditions. This role combines hands-on engineering with team leadership to deliver robust test stands and fixtures from concept through deployment.

Listed on Shield AI’s careers site · Apply there ↗

Stoke Space

Full-time · Kent, WA · $151,305 – $327,810

This role leads the design and development of valves and actuators for a reusable launch vehicle, requiring deep expertise in aerospace fluid systems and structural analysis. It suits experienced mechanical or aerospace engineers who thrive in hands-on environments, moving from concept through manufacturing and qualification testing.

Listed on Stoke Space’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $160,000 – $240,000

Shield AI is seeking a mechanical engineer to design and develop structural systems for autonomous aircraft, working across the full product lifecycle from concept through production. This role suits experienced aerospace engineers who want hands-on responsibility for complex mechanical systems in a fast-moving defense-tech environment.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $100,000 – $160,000

Shield AI seeks a mechanical engineer to design and develop hydraulic systems for their autonomous UAV aircraft platforms. This role suits someone passionate about defense technology who can balance complex system architecture with hands-on prototyping and testing.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $100,000 – $160,000

This role involves designing and testing mechanical and hydraulic systems for advanced autonomous aircraft, with hands-on work across structures, sensors, and test automation. It suits engineers who combine CAD proficiency and Python skills with practical experience validating complex systems under demanding conditions.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $108,000 – $162,000

Shield AI seeks a mechanical design engineer to develop structural systems and components for autonomous aircraft platforms. The role suits engineers comfortable with hands-on design, analysis, and collaboration across disciplines in a mission-driven defense-tech environment.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $138,000 – $200,000

Shield AI is seeking a Staff-level mechanical engineer to lead the integration of complex aircraft systems across multiple engineering disciplines and product development stages. This role suits experienced systems integration leaders who can mentor teams, establish architecture standards, and drive improvements in design and manufacturability.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $130,000 – $200,000

Shield AI is seeking a mechanical engineer to design and develop autonomous aircraft systems, working on complex electro-mechanical assemblies from concept through production release. This role suits someone passionate about defense technology who wants to contribute to real-world systems with a mission-driven team.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $220,000 – $330,000

Shield AI is hiring a senior engineer-manager to lead the design and development of mechanical systems for autonomous aircraft, blending hands-on technical contribution with team leadership.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $250,000 – $370,000

Shield AI seeks an experienced fluid and thermal systems engineer to lead the design and optimization of cooling and propulsion systems for autonomous aircraft and ground robots used in defense operations. This role suits someone who combines deep technical expertise in thermal and fluid mechanics with the leadership skills to guide cross-functional teams through complex engineering challenges.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $160,000 – $240,000

Shield AI is hiring a mechanical design engineer to lead the development of ground support equipment for autonomous unmanned aircraft systems. This role suits someone with aerospace expertise who can design field-deployable systems for military operations and collaborate across engineering, manufacturing, and flight teams.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $160,000 – $240,000

Shield AI seeks a mechanical design engineer to lead development of ground support equipment for autonomous aircraft used in military operations. This role suits experienced engineers who can design robust field-deployable systems and collaborate across engineering, manufacturing, and operations teams.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $200,000 – $300,000

Shield AI is looking for a mechanical test engineer to design and validate advanced aircraft systems through hands-on testing and custom instrumentation. This role suits someone with expertise in hydraulic systems, sensor technology, and test automation who wants to contribute to defense technology that protects personnel.

Listed on Shield AI’s careers site · Apply there ↗