Creo

Relativity Space

Long Beach, CA · $104,000 – $156,000

Design and develop structural components and assemblies for Terran R rockets, from initial concept through manufacturing support, with hands-on ownership of flight hardware. This role suits mid-level mechanical engineers who thrive in fast-paced environments and want to see their work directly impact a tangible product.

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

Mercury Marine

Internship · Fond Du Lac, WI · $18 – $28 / hour

This is a hands-on co-op in foundry engineering where you'll work on aluminum casting and additive manufacturing processes at Mercury Marine's Wisconsin plant. The role suits engineering students looking to apply classroom knowledge to real manufacturing challenges while collaborating with experienced teams on quality, efficiency, and continuous improvement projects.

Listed on Mercury Marine’s careers site · Apply there ↗

Crane Co.

Elyria, OH

This role designs and develops mechanical systems and components for aerospace and defense applications, particularly thermal management and fuel/lubrication pump solutions. It suits engineers with 3+ years of experience who are comfortable with fluid dynamics analysis, CAD modeling, and cross-functional collaboration in a regulated, quality-focused environment.

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

Crusoe

Denver, CO · $190,000 – $215,000

Crusoe is seeking a Senior Staff Mechanical Systems Engineer to design and own the liquid cooling and thermal architecture of modular AI data centers, translating GPU compute requirements into production-ready hardware systems. This role bridges mechanical engineering, thermal physics, and manufacturing, requiring deep expertise in complex cooling loops and hands-on collaboration with design partners to scale high-density compute infrastructure.

Listed on Crusoe’s careers site · Apply there ↗

Jabil

$72,100 – $129,700

Jabil is looking for a Project Engineer to lead manufacturing automation and process improvement projects from concept through production, managing scope, schedule, budget, and quality across cross-functional teams. This role suits engineers with 3–5 years of experience in automation, manufacturing, or project engineering who can combine technical expertise with strong project management and leadership capabilities.

Listed on Jabil’s careers site · Apply there ↗

KLA-Tencor

Milpitas, CA · $141,300 – $240,200

KLA is hiring a senior mechanical engineer to design ultra-precision motion stages for semiconductor inspection equipment that operate in high-vacuum environments. The role spans the full lifecycle from concept to validation, requiring expertise in precision mechanics, vacuum compatibility, and dynamic performance optimization.

Listed on KLA-Tencor’s careers site · Apply there ↗

Belkin

El Segundo · $115,000 – $136,000

Senior Mechanical Engineer at Belkin designing consumer electronics from concept through production, collaborating with industrial designers and manufacturers. This role suits experienced mechanical engineers with a track record in consumer products who enjoy the intersection of aesthetics and manufacturability.

Listed on Belkin’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $111,350 – $182,850

Boeing is hiring a mechanical engineer to design and analyze solar arrays and battery systems for satellites, working across government and commercial programs. This role suits mid-career or senior engineers with 5+ years of experience in solar array technologies who want to lead technical teams and drive spacecraft power system development.

Listed on Boeing’s careers site · Apply there ↗

Axiom Space

Full-time · Houston, TX

This role develops and delivers thermal control systems for commercial space stations, managing the complete lifecycle from design through on-orbit operation. It suits experienced thermal engineers with deep knowledge of heat transfer, fluid mechanics, and spacecraft environments who want to own critical hardware for a crewed orbital facility.

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

AST SpaceMobile

US - Remote

Lead the mechanical design and engineering of complete satellite systems through development and launch, managing a team to deliver structures and systems that meet performance and reliability requirements. This role suits experienced satellite engineers with strong CAD and analysis skills who can guide teams through complex design cycles in a collaborative, fast-paced environment.

Listed on AST SpaceMobile’s careers site · Apply there ↗