Finite Element Analysis (FEA)

Relativity Space

Long Beach, CA · $103,000 – $155,000

This role involves developing structural loads, dynamic analyses, and vibration specifications for Relativity Space's Terran R rocket, working across multiple engineering teams from design through flight testing. It suits engineers with mechanics and vibrations expertise who can build analytical models, conduct testing validation, and drive technical decisions in a fast-paced aerospace environment.

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

Shield AI

Full-time · San Diego, CA · $110,000 – $210,000

Shield AI is hiring a structural analyst to evaluate and optimize the airframes and components of its autonomous aircraft, working across mechanical and propulsion teams. This role suits engineers with aerospace experience who want to deepen their expertise in finite element analysis and materials testing within a defense-tech company.

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

CesiumAstro

Full-time · El Segundo, CA · $150,000 – $181,000

CesiumAstro is seeking a senior propulsion engineer to lead the structural and thermal design of launch vehicle components from concept to flight. This role suits someone with deep expertise in FEA and thermal analysis who wants to mentor teams and solve complex aerospace problems in a startup environment.

Listed on CesiumAstro’s careers site · Apply there ↗

Harry's

Full-time · New York, NY · $96,475 – $113,500

This role involves designing and developing mechanical components for consumer grooming products, from concept through prototyping and testing. It suits someone with a mechanical engineering background who wants hands-on product development experience with mentorship from senior engineers.

Listed on Harry's’s careers site · Apply there ↗

Stoke Space

Full-time · Kent, WA · $129,150 – $327,810

This role leads structural analysis and design verification for reusable launch vehicle components at an aerospace startup, owning the integrity of major subsystems while mentoring junior engineers and developing analysis processes. It suits experienced structural analysts seeking high ownership in a fast-moving space propulsion environment.

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

AeroVironment

Internship

This internship places you on an aerospace engineering team designing and testing mechanical systems for unmanned aircraft, where you'll move from CAD modeling through prototype fabrication under the guidance of experienced engineers. It's suited for undergraduates in mechanical or aerospace engineering who want hands-on experience in a real development environment and are authorized to work with U.S. defense technology.

Listed on AeroVironment’s careers site · Apply there ↗

Terran Orbital

Full-time · Irvine, CA · $105,000 – $155,000

This senior structural engineer role focuses on designing and analyzing spacecraft structures from concept through testing and production at a satellite manufacturer. The position suits experienced aerospace engineers comfortable with finite element analysis, vibration testing, and collaboration across multiple engineering disciplines.

Listed on Terran Orbital’s careers site · Apply there ↗

Jabil

Full-time · Remote · $115,500 – $207,900

Lead the mechanical design of advanced liquid cooling and thermal management systems for AI data center servers and semiconductor equipment at this global manufacturing partner. This is a management role overseeing distributed engineering teams, requiring deep expertise in thermal design, CAD, and product development from concept to production.

Listed on Jabil’s careers site · Apply there ↗

Tempo

Full-time · San Diego, CA · $186,000 – $206,900

Tempo seeks a seasoned mechanical engineer to lead the design and development of high-temperature energy storage hardware from concept through production, with hands-on involvement in fabrication and testing. This role combines deep technical expertise in thermal and structural systems with startup agility and mentorship responsibilities.

Listed on Tempo’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 ↗