- Robot type
- Drone · Defense
- Location
- SeattleWashingtonUSA
- Job type
- Hardware
- Posted
- Apr 14, 2026
- Salary
- $250,000–$370,000 a year
Full-time
Principal Engineer, Fluid & Thermal Systems (R4793)
Job description
Shield AI — Principal Engineer, Fluid & Thermal Systems (R4793) (Seattle, Washington · Dallas, Texas).
Job responsibilities
- Own design and analysis of fluid and thermal systems for aircraft and ground platforms.
- Develop and implement innovative thermal solutions
- Use first-principles engineering to drive design decisions to yield optimal solutions
- Research technologies for integration into complex solutions
- Conduct advanced simulations to predict system performance and refine designs
- Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements
- Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.
- Mentor and guide junior engineers, fostering technical growth and excellence within the team.
Job requirements
- Minimum 10+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.
- B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.
- Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.
- Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.
- Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.
- Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.
- Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.
- Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.
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