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Power Electronics - Thermal Engineer Senior Staff

Shield AI· X-BAT Division – X-BAT Engineering - Avionics
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Seattle, WA$173.1k - $259.6kFull Time EmployeePosted 6mo ago

About the role

Senior Staff Thermal Engineer leading design, analysis, and integration of aircraft avionics thermal management systems for high voltage, high power power electronics and energy storage in unmanned aircraft.

Responsibilities

  • Own thermal analysis and design efforts for unmanned aerial vehicle avionics including custom power electronics
  • Develop and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD
  • Provide technical leadership in trade studies, system architecture decisions, and risk assessments
  • Lead cross-functional teams designing power electronic circuits and environmental enclosures. Provide design requirements that impact circuit part selection, board layout, material selection, and other design aspects
  • Drive test planning, instrumentation, and data analysis to correlate models with experimental results
  • Mentor junior engineers and guide cross-disciplinary teams in applying thermal/fluid fundamentals
  • Communicate technical findings clearly through executive-level briefings, design reviews, and written reports
  • Proactively identify risks, propose solutions, and influence electrical and/or PCBA design direction

Qualifications

  • B.S. in Mechanical Engineering, Aerospace Engineering, or related discipline
  • Minimum 7 years of professional experience in avionics or electronics thermal engineering
  • Strong expertise in heat transfer (conduction, convection, radiation) and fluid mechanics
  • Deep understanding of active and passive cooling solutions and their integration at component and system level
  • Deep understanding of thermal management design elements including TIMs, spreaders, heat sinks, vapor chambers, heat pipes, and fans
  • Proficiency with thermal analysis and CFD tools (e.g., ANSYS Icepak, FloEFD, STAR-CCM+)
  • Proficiency with CAD design tools such as NX, SolidWorks, or similar
  • Demonstrated experience applying first-principles reasoning to complex engineering problems
  • Strong written and verbal communication skills, with a track record of leading technical discussions and presenting to stakeholders
  • Proven ability to learn and adapt quickly to new tools, processes, and technical challenges in a fast paced, startup environment
  • Ability to obtain a S//SAR level security clearance desired.

Skills

Required:Thermal analysisCFD toolsCADCommunication

Benefits

  • Pay within range listed + Bonus + Benefits + Equity
  • Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
  • Salary compensation is influenced by a wide array of factors including skill set, level of experience, licenses and certifications, and location. All offers contingent on cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits.
Last updated Oct 23, 2026. Interested? Apply on the company site.

About Shield AI

Autonomy for the world.

Our mission is to protect service members and civilians with intelligent systems.

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