Principal Thermal Engineer - Aircraft Avionics & Thermal Systems (R3930)
f7d8749a-72d6-407c-bf98-292ea630c73a · Posted Oct 13, 2026
- Seattle, Washington, United States
- Full-time · Principal
- 12+ years
Lead the technical direction, architecture, and development of aircraft avionics thermal management systems.
Compensation
Pay within range listed + Bonus + Benefits + Equity
Responsibilities
- Own thermal architecture, analysis, and design strategy for unmanned aerial vehicle avionics and aircraft-level thermal/fluid systems across programs.
- Lead cross-functional trade studies and technical decisions, balancing thermal performance with power, weight, volume, reliability, manufacturability, and aircraft integration constraints.
- Develop and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD, and establish modeling standards and best practices.
- Define verification and validation strategies, guiding test planning, instrumentation, and data analysis to correlate models with experimental results and resolve critical performance risks.
- Serve as a technical authority in executive-level briefings, design reviews, and customer discussions, communicating complex findings and driving alignment on technical direction.
Requirements
- B.S. in Mechanical Engineering, Aerospace Engineering, or related discipline
- Nice to have: M.S. or Ph.D. in a relevant engineering discipline
- Nice to have: high altitude aircraft avionics cooling