Thermal Testing Jobs

Senior Thermal Engineer needed to drive thermal design, CFD modeling, and validation for high-power semiconductor packages at an early-stage Santa Clara company.

Support development and testing of novel electrically‑heated refractory bricks in a hands‑on R&D lab internship focused on high‑temperature experiments, data collection, and test automation.

Lead Oura’s battery technology strategy and engineering team to deliver safe, high-performance battery systems for the company’s next-generation wearable products.

CesiumAstro is hiring a Summer 2026 Materials and Process Intern to support materials characterization, process development, and qualification testing for flight hardware at its Austin manufacturing facility.

Astranis, a venture-backed satellite communications company, is hiring Associate Mechanical Engineers in San Francisco to design, build, and test hardware destined for flight.

Antares is hiring a Senior Test Engineer to architect, build, and execute precision test stands and comprehensive test plans for space and terrestrial thermal systems at its Torrance facility.

Lawrence Livermore National Laboratory seeks experienced Senior Mechanical Engineers to drive advanced mechanical design, analysis, and prototype development for national security programs.

Lead reliability testing and failure analysis for next-generation wireless optical communication hardware, driving qualification and design improvements across semiconductor, photonic and system-level components.

Relativity Space seeks a hands-on Thermal Engineer I to perform thermal analyses, drive thermal system design, and support testing for the Terran R launch vehicle.

ALSO is hiring a Vehicle Verification and Validation Engineer in Palo Alto to lead vehicle-level durability, environmental, and fleet validation testing for its next-generation small electric vehicles.

Base is hiring a hands-on Hardware Test Engineer to design and automate electromechanical tests and deliver clear, data-driven insights that ensure reliable field performance of distributed battery systems.

Observable Space is hiring an experienced Spacecraft Mechanical Engineer to lead structural design, FEA validation, and qualification testing for flight hardware that must endure launch and space environments.

Lead the development and validation of Stirling and reciprocating heat engines to convert thermal storage into reliable, dispatchable electricity for Exowatt's modular power systems.

Anduril seeks a Mechanical Engineer in Reston to design and drive mechanical systems from concept through production for Intelligence Community hardware programs.

AST SpaceMobile seeks an Environmental Test Engineer to lead TVAC, vibration, and shock testing of space hardware and drive test campaigns from planning through anomaly resolution.

GE Aerospace is hiring an Advanced Lead Engineer in Thermal System Design to perform secondary flow analyses, rig testing, and thermal optimization for LEAP hot-section components.