Founding Thermal Engineer at Lumicity

Job description

Job Details • Sector: Aerospace • Type: Permanent Working Arrangement: On-site Location: San Diego, California Salary: Competitive Share this job Thermal Engineer – Aerospace / Spacecraft Thermal Systems | San Diego, CA Our client, an early-stage aerospace and advanced energy startup developing high-power space systems, is looking for a Thermal Engineer to join their team on-site in San Diego, CA . This role owns the full lifecycle of spacecraft thermal system development – from architecture and analysis through testing, integration, and flight readiness – leading thermal modeling, trade studies, and thermal testing while working cross-functionally to define thermal control requirements and set thermal engineering standards. Key Responsibilities • Own spacecraft thermal design, thermal modeling, and thermal analysis across the full program lifecycle • Lead thermal trade studies and thermal testing, including thermal vacuum (TVac) testing • Define thermal control requirements and establish thermal engineering standards • Collaborate cross-functionally to integrate thermal systems with the wider vehicle design • Support integration, flight readiness, and anomaly resolution investigations Essential Experience • 8+ years in thermal engineering, ideally within aerospace or high-performance systems • Strong expertise in thermal analysis, thermal modeling, and spacecraft thermal control systems • Hands-on experience with active and passive thermal management, TVac testing, and thermal design trade studies • Proficient in thermal analysis tools such as COMSOL, ANSYS, or equivalent • Strong independent problem-solver, comfortable in a fast-paced R&D environment Desirable Experience • Spacecraft thermal systems experience spanning the full program lifecycle • Multi-layer insulation (MLI), heat pipes, pumped fluid systems, thermal blankets, and optical coatings • Leadership of cross-functional thermal engineering efforts and vehicle-level thermal design • Design, analysis, testing, manufacturing, and operation of spacecraft thermal control systems Scroll to Top

Requirements

Must-haves

Working Arrangement: On-site
Location: San Diego, California
Salary: Competitive
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Thermal Engineer – Aerospace / Spacecraft Thermal Systems | San Diego, CA
Own spacecraft thermal design, thermal modeling, and thermal analysis across the full program lifecycle
Lead thermal trade studies and thermal testing, including thermal vacuum (TVac) testing
Define thermal control requirements and establish thermal engineering standards
Collaborate cross-functionally to integrate thermal systems with the wider vehicle design
Support integration, flight readiness, and anomaly resolution investigations
Essential Experience
8+ years in thermal engineering, ideally within aerospace or high-performance systems
Strong expertise in thermal analysis, thermal modeling, and spacecraft thermal control systems
Hands-on experience with active and passive thermal management, TVac testing, and thermal design trade studies
Proficient in thermal analysis tools such as COMSOL, ANSYS, or equivalent
Strong independent problem-solver, comfortable in a fast-paced R&D environment
Desirable Experience
Spacecraft thermal systems experience spanning the full program lifecycle
Multi-layer insulation (MLI), heat pipes, pumped fluid systems, thermal blankets, and optical coatings
Leadership of cross-functional thermal engineering efforts and vehicle-level thermal design
Design, analysis, testing, manufacturing, and operation of spacecraft thermal control systems
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Nice-to-haves

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