Computational Fluid Dynamics (CFD)

Lynk Global

Chantilly, VA

This role supports the design and optimization of Hall Effect Thrusters and other propulsion components for Lynk's satellite constellation. It suits engineers with electric propulsion experience who can perform detailed simulations and CAD work to advance satellite propulsion systems.

Listed on Lynk Global’s careers site · Apply there ↗

Merck

Full-time · Rahway, NJ · $173,200 – $272,600

A leadership role in biopharmaceutical process development where you'll direct the creation of cell culture manufacturing processes from early development through commercial launch. This suits experienced bioprocess scientists ready to mentor teams and drive innovation across a pipeline of diverse therapeutic programs.

Listed on Merck’s careers site · Apply there ↗

Impulse Space

Redondo Beach

You will develop high-performance turbomachinery systems through design, analysis, build, and test cycles in a collaborative aerospace engineering environment. This role suits experienced engineers who want hands-on technical leadership in propulsion systems at an agile company.

Listed on Impulse Space’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 ↗

Stoke Space

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

Design, develop, and qualify valve and actuator components for a commercial space launch vehicle, owning the complete lifecycle from requirements through testing and production. This role suits experienced aerospace or industrial valve engineers who thrive in fast-paced environments and want hands-on involvement from concept through manufacturing.

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

Relativity Space

Long Beach, CA · $160,000 – $240,000

You'll lead a team of propulsion analysts responsible for thermal, structural, and durability analysis of rocket engines at a company building orbital launch vehicles. This role suits experienced engineers who thrive managing technical teams through complex design-and-manufacturing challenges while maintaining engineering rigor at scale.

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

CesiumAstro

Full-time · El Segundo, CA · $118,000 – $142,000

A hands-on design role focused on pneumo-hydraulic valve systems for aerospace applications, reporting to leadership and mentoring other engineers. Suited for someone with CAD and simulation expertise who wants to drive technical direction in a startup environment.

Listed on CesiumAstro’s careers site · Apply there ↗

Shield AI

Full-time · Seattle, WA · $170,000 – $230,000

A thermal engineering leadership role designing and solving complex heat management challenges on advanced aircraft development. Best for someone who can tackle sophisticated engineering problems independently while guiding other engineers and translating technical work across disciplines.

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

Voyager

Reno, NV · $108,800 – $155,300

This role involves designing and analyzing mechanical systems for advanced aerospace and defense applications, including rocket motors, actuators, and propulsion components. It suits engineers with 4-7 years of experience who are comfortable with complex structural analysis, CAD modeling, and cross-functional collaboration in a security-cleared environment.

Listed on Voyager’s careers site · Apply there ↗

Merck

Full-time · Rahway, NJ · $173,200 – $272,600

A senior scientist position developing cell culture manufacturing processes for biologics in clinical and commercial stages. This role suits experienced bioprocess engineers or biochemists who can lead technical strategy, mentor teams, and drive innovation in upstream development while managing complex cross-functional projects.

Listed on Merck’s careers site · Apply there ↗