19 open listings
Roles posted by organizations here, alongside roles we found on employers’ own careers sites. Crawled roles say so on the card and send you to the employer to apply. Only show organizations on Career App
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Senior Staff Engineer, Thermal Engineering
Invenergy
Full-time · Chicago, IL · $85,000 – $108,000
This role supports the development and engineering of geothermal and thermal power generation projects from conception through operation, requiring hands-on technical leadership across design, permitting, and construction phases. It suits experienced engineers with a background in thermal systems who want to drive large-scale energy infrastructure projects across North America.
Listed on Invenergy’s careers site · Apply there ↗
RS
Manager, Vehicle Fluids (Mechanical)
Relativity Space
Full-time · Long Beach, CA · $160,000 – $240,000
Lead the design and operation of complex fluid systems for a commercial rocket vehicle, managing a technical team through full system lifecycle from architecture through flight qualification. This role suits experienced aerospace engineers with deep fluids expertise who want hands-on ownership of critical hardware in a fast-moving development environment.
Listed on Relativity Space’s careers site · Apply there ↗
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Mechanical Systems Design & Analysis Engineer (Experienced or Senior)
Boeing
Full-time · 2 locations · $126,650 – $171,350
Boeing is hiring a Mechanical Systems Design and Analysis Engineer to develop environmental control systems for the 787 aircraft, working on component management, system modeling, and supplier coordination. This role suits engineers with aerospace or mechanical systems backgrounds who want to contribute to commercial aviation design and certification.
Listed on Boeing’s careers site · Apply there ↗
Choose a location to apply
AS
Propulsion Senior Engineer – Pressure & Fluid Systems
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 ↗
AA
CDI – Technicien(ne) d’affaires en Systèmes Fluides
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 ↗
Senior Mechanical Engineer - Power Generation
Stanley Consultants
Full-time · Denver, CO · $139,500 – $185,550
Senior-level mechanical engineer to lead design and retrofit projects for power generation facilities, central plants, and industrial infrastructure. Suited for experienced engineers with deep expertise in thermodynamic systems, process design, and the ability to mentor junior staff while managing complex technical deliverables.
Listed on Stanley Consultants’s careers site · Apply there ↗
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Engines - Test Lead (Andromeda Engine)
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. This role suits engineers with hands-on propulsion systems experience who want extreme ownership over a critical development program at a spaceflight company.
Listed on Stoke Space’s careers site · Apply there ↗
RS
Vehicle Fluid Systems Engineer II
Relativity Space
Long Beach, CA · $104,000 – $156,000
This role involves designing and managing fluid systems for the Terran R rocket, including propellant, pressurant, and pneumatics architecture from concept through flight. You'll own system designs, conduct thermal and fluid analyses, lead reviews, and validate performance through testing—ideal for someone with hands-on experience in spacecraft or launch vehicle fluid systems who wants to see their work directly shape a functioning rocket.
Listed on Relativity Space’s careers site · Apply there ↗
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Project Engineer, Thermal Engineering
Invenergy
Full-time · 2 locations · $100,000 – $120,000
Invenergy seeks a thermal project engineer to support the development, permitting, and commissioning of geothermal and thermal power generation projects across North America, working through the full project lifecycle from siting to commercial operation. This role is suited for engineers with 2+ years in large-scale power projects who can coordinate vendor relationships, review technical designs, and manage engineering oversight during construction.
Listed on Invenergy’s careers site · Apply there ↗
Choose a location to apply
AS
Life Support Systems (LSS) Thermal Engineer
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.
Computational Fluid Dynamics (CFD)ThermodynamicsFluid MechanicsCreoFinite Element Analysis (FEA)ANSYS Fluent
Listed on Axiom Space’s careers site · Apply there ↗
RS
Senior Fluid Systems Engineer
Relativity Space
Long Beach, CA · $132,000 – $198,000
This role owns the design and validation of propellant, pressurization, and other fluid systems on Relativity's Terran R rocket, requiring deep expertise in system architecture, thermodynamics, and testing to turn concept into flight-ready hardware.
Listed on Relativity Space’s careers site · Apply there ↗
RS
Propulsion Engineer II, Combustion Devices
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 ↗
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Propulsion Structural Engineer II, Combustion Devices
Relativity Space
Long Beach, CA · $104,000 – $156,000
This role involves analyzing and validating the structural integrity of rocket engine combustion chambers throughout development, using both hand calculations and finite element modeling to ensure the hardware meets performance and safety requirements. It suits engineers with 2+ years of structural analysis experience who want to contribute directly to a real rocket program in its active development phase.
Listed on Relativity Space’s careers site · Apply there ↗
RS
Hardware Development Engineer II
Relativity Space
Long Beach, CA · $104,000 – $156,000
A hardware development engineer focused on transforming propulsion engine designs into manufacturable, flight-ready systems for the Terran R rocket. This role suits engineers with aerospace manufacturing expertise who want hands-on involvement in engine development, from design review through production qualification and test execution.
Listed on Relativity Space’s careers site · Apply there ↗
RS
Manager, Propulsion Development Engineering
Relativity Space
Full-time · Long Beach, CA · $160,000 – $240,000
Lead the propulsion engineering team developing rocket engines for Relativity's Terran R vehicle, taking ownership of engine system architecture, interfaces, and requirements while mentoring engineers through design, testing, and qualification. This role suits experienced rocket propulsion engineers ready to move into technical leadership at a high-growth aerospace startup where you'll contribute directly to engine development alongside people leadership.
Listed on Relativity Space’s careers site · Apply there ↗
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Lead, Components Engineering
Relativity Space
Long Beach, CA · $136,000 – $204,000
Lead a team of engineers designing and developing valve and fluid control systems for a commercial rocket vehicle, from concept through production. This role combines technical engineering expertise with leadership responsibilities, suited for someone experienced in fluid systems who can mentor others and drive projects in a fast-paced aerospace environment.
Listed on Relativity Space’s careers site · Apply there ↗
RS
Staff Engine Systems Development Engineer
Relativity Space
Full-time · 2 locations · $164,000 – $246,000
This role involves developing engine systems and architecture for Relativity's Terran R rocket, with responsibility for design trades, interface management, and system development from concept through qualification. It's suited to experienced propulsion engineers who can lead collaborative technical projects with deep expertise in liquid-rocket systems and who thrive in a fast-moving startup environment.
Listed on Relativity Space’s careers site · Apply there ↗
Choose a location to apply
RS
Senior Engine Systems Development Engineer
Relativity Space
Long Beach, CA · $132,000 – $198,000
This role involves leading engine system architecture and interface optimization for Relativity's Terran R rocket, spanning design trades, requirement negotiation, and development support. It suits experienced propulsion engineers who thrive as self-directed technical leaders on ambitious, fast-moving projects.
Listed on Relativity Space’s careers site · Apply there ↗
RS
Senior Thermal Engineer
Relativity Space
Long Beach, CA · $132,000 – $198,000
This role leads the thermal engineering team responsible for ensuring Terran R launch vehicle components survive extreme temperature conditions across all flight phases and ground operations. You'll architect thermal systems, conduct multi-level analyses, direct engineers, and oversee testing while working closely with hardware and cross-functional teams to solve complex vehicle integration challenges.
Listed on Relativity Space’s careers site · Apply there ↗