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Senior Thermal Engineer – Payload Systems

Greater Seattle Area, US💼 Full-time💰 $144,179–$144,179🗓 2026-07-24 → 2026-09-26

Core

Lead thermal design and analysis for advanced phased array antenna systems in satellite payloads and ground-based user terminals to ensure reliable performance in harsh orbital and terrestrial environments.

Role type

Senior IC thermal engineer (space/RF systems)

Builds

High-power, high-frequency satellite communication systems and ground terminals

Domain

Aerospace / Satellite Communications / RF Electronics

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

thermal architecture development, thermal modeling (conduction/radiation/convection), thermal interface management, transient/steady-state analysis, cross-disciplinary design integration, systems thinking, hardware qualification support

Preferred skills

Q/V-band RF thermal constraints, advanced cooling techniques (loop heat pipes, vapor chambers, liquid cooling), production scaling optimization

Technologies

Thermal Desktop, SINDA/FLUINT, ANSYS Icepak

Responsibilities

Lead thermal architecture for satellite phased array antennas; Design thermal solutions for ground terminals under dynamic environmental conditions; Develop detailed thermal models covering conduction, radiation, and convection; Define and manage thermal interfaces across payload subsystems; Perform transient and steady-state thermal analyses; Collaborate with RF, mechanical, and systems engineering teams; Establish thermal requirements and verification plans; Support hardware development including thermal testing and anomaly resolution; Drive thermal design trades balancing performance, mass, power, and cost; Mentor junior engineers

Seniority

Senior, hands-on IC with mentorship responsibilities

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