Cowboy Space
Fluids Analyst
$130K–$190K
Kent, Washington · On-site · Full-time · Posted Sep 15, 2026
- Experience
- 5+ years required; 10+ years preferred.
- Education
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or related field.
- Visa sponsorship
- Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. ITAR export-control requirement also permits protected individuals or applicants eligible to obtain required U.S. Department of State authorizations.
About the job
Owns fluid-system prediction for flight hardware, from early modeling and architecture trades through test-data analysis and model correlation for flight use.
What you'll do
- Build 1D network, transient, CFD, and thermal-fluid models to assess system performance and component sizing.
- Plan and support fluid-system tests, reduce and analyze test data, and correlate models against measurements.
- Maintain analysis methods and data, investigate anomalies, and communicate results and uncertainty.
What they ask for
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or a related field.
- 5+ years of fluid system analysis experience for flight vehicles, propulsion systems, or other high-performance hardware.
- Experience with 1D fluid-system modeling, internal-flow CFD, and Python (NumPy, pandas) or MATLAB.
- Experience reducing and interpreting test data, including correlating analytical predictions against measurements.
Nice to have
- 10+ years of relevant fluid system analysis experience.
- Experience with rocket propulsion systems, cryogenic fluids, or propulsion testing.
Pay
$130,000 – $190,000 annually (base salary)
Tools
Flownex, AFT (Fathom/Arrow/Impulse), EASY5, GFSSP, Simulink, ANSYS Fluent, Siemens STAR-CCM+, OpenFOAM
Model-written summary · the original posting is authoritative