Shield AI
Principal Propulsion Engineer (R6453)
Seattle, Washington · Principal · Full-time · Posted Oct 24, 2026
- Experience
- 7+ years of experience in mechanical design for aerospace; direct propulsion hardware experience preferred.
- Education
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related engineering discipline.
- Visa sponsorship
- U.S. Citizenship or ability to comply with ITAR requirements; ability to obtain Secret clearance.
About the job
Designs, releases, and improves mechanical components and assemblies for UAV internal-combustion and jet propulsion systems, supporting production and testing.
What you'll do
- Own propulsion component and subsystem design from concept through production release, including CAD models, drawings, and design standards.
- Work with production, technicians, and the machine shop to support builds, resolve hardware issues, and improve manufacturability.
- Support engineering validation, documentation, configuration management, design reviews, and root-cause investigations.
What they ask for
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related engineering discipline.
- Expert-level CAD modeling and drawing creation skills and application of GD&T.
- Experience working cross-functionally with production, machine shop personnel, and technicians to solve hardware issues; familiarity with design for manufacturing and hands-on assembly instruction and build troubleshooting.
- Experience with configuration management, PLM systems, and BOM structure; U.S. citizenship or ability to comply with ITAR requirements, and ability to obtain Secret clearance.
Nice to have
- Experience with GFSSP, REFPROP, ANSYS, FEA, or other mechanical and thermal analysis tools; Python scripting; interface control and tolerance stack-up analysis.
- Propulsion hardware experience, knowledge of fastening and joint design or high-temperature materials, or an M.S. or Ph.D. in a related engineering discipline.
Tools
Siemens NX, GD&T, GFSSP, ANSYS, FEA, REFPROP, Teamcenter, Python
Model-written summary · the original posting is authoritative