Shield AI
Principal Engineer, Fluid & Thermal Systems (R4793)
$250K–$370K
Seattle, Washington +1 · On-site · Principal · Full-time · Posted Apr 15, 2026
- Location
- Seattle, Washington
Dallas, Texas - Experience
- Minimum 10+ years in Fluid or Thermal System design.
- Education
- B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.
About the job
Leads the design, analysis, testing, and integration of fluid and thermal systems for autonomous aircraft and ground platforms.
What you'll do
- Own fluid and thermal system design and analysis, using simulations and first-principles engineering to refine solutions.
- Lead testing and validation, including data acquisition, analysis, and verification against requirements.
- Coordinate system integration and suppliers, and mentor junior engineers.
What they ask for
- At least 10 years of experience in fluid or thermal system design.
- B.S. or advanced degree in Mechanical, Aerospace, or a related Engineering discipline.
- Experience with system modeling tools, custom engineering models, fluid and thermal testing, and 3D CAD.
- Demonstrated ability to independently own and deliver projects; supplier management and COTS sourcing experience.
Nice to have
- Aircraft fluid and thermal system design, analysis, manufacture, and test; familiarity with effects on aircraft performance.
- Familiarity with startup or R&D environments and aerospace or defense environmental standards and certification processes.
Pay
USD 250,000–370,000 per year (base salary)
Tools
MATLAB Simscape, Amesim, Excel, MATLAB, Python, Siemens NX
Model-written summary · the original posting is authoritative