Thermodynamics

Unilever

Full-time · Jonesboro, AR · $88,600 – $133,000

A technical leadership role optimizing manufacturing processes for safety, efficiency, and cost control across batching and utility systems. This suits chemical engineers with 3-5+ years in process design and improvement who want to drive capital projects and continuous improvement initiatives in a multinational manufacturing environment.

Listed on Unilever’s careers site · Apply there ↗

Samsung Semiconductor

Full-time · Taylor, TX · $70,480 – $179,090

Samsung is seeking an HVAC engineer to oversee the critical cooling and thermal systems that keep their semiconductor fabrication plant running continuously. This role suits someone with facilities engineering experience who can analyze system performance, solve reliability problems, and guide junior staff while managing large-scale industrial infrastructure.

Listed on Samsung Semiconductor’s careers site · Apply there ↗

Axiom Space

Houston, TX

Axiom Space is hiring a senior engineer to lead the design and delivery of propellant feed and pressure control systems for their commercial space station, from initial requirements through flight qualification. This role suits experienced propulsion engineers who want hands-on technical ownership of complex spacecraft hardware while leading cross-functional teams in a fast-paced commercial space environment.

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

Arianespace / ArianeGroup

Full-time · Vernon

A technical business role managing fluid systems for rocket launcher testing facilities and new hydrogen-related activities at ArianeGroup's Vernon site. Suited to engineers with fluid systems experience who want to move from design into project coordination and supplier management.

Listed on Arianespace / ArianeGroup’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $104,000 – $156,000

This role offers end-to-end ownership of combustion hardware components in rocket engines, from design through flight qualification—a level of individual responsibility rarely found in aerospace. You'll apply thermodynamics and structural engineering to mission-critical components operating under extreme conditions, collaborating across propulsion disciplines.

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

Stoke Space

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

Stoke is seeking a Senior Fluids Engineer to design, build, and test the propellant and thermal management systems for their reusable launch vehicle. This role suits someone with deep aerospace fluids expertise who thrives owning complex systems end-to-end, from concept through flight qualification.

Listed on Stoke 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 ↗

Arianespace / ArianeGroup

Full-time · Vernon

Lead rocket engine testing campaigns at a major European aerospace facility, managing teams through test operations while ensuring safety and performance of specialized test benches. This role suits an experienced engineer comfortable with operational leadership, technical complexity, and cross-functional coordination in a high-stakes space industry environment.

Listed on Arianespace / ArianeGroup’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $90,000 – $136,000

This role offers hands-on ownership of combustion engine components from design through flight qualification at a commercial rocket company. It suits engineers with propulsion experience who want to own critical hardware decisions across disciplines rather than specialize in a single phase.

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

Stoke Space

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

Lead the complete test program for Stoke's Andromeda reusable rocket engine, from component validation through flight qualification at the Moses Lake test facility. This role suits someone with hands-on propulsion testing experience who thrives owning complex programs end-to-end and can drive rapid iteration in a fast-paced aerospace environment.

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