Equity‑Eligible Space Propulsion Test Engineer

Cowboy Space; Seattle (WA); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Equity

Health insurance

Dental insurance

Vision insurance

401(k)

Paid time off

Holidays

Relocation aid

Lunch on site

Job summary

Cowboy Space Corp. is seeking a Test Engineer to design, build, and operate test systems for propulsion, fluids, and control hardware at our Seattle facility. You will develop fluid and instrumentation setups, own P&IDs, and ensure safe operation of high‑pressure and cryogenic systems.

You will write procedures, run tests under pressure, analyze data, and drive root‑cause investigations. 4–8 years of hands‑on experience and a mechanical/aerospace background are required.

Qualifications

• 4–8 years of test experience in propulsion, fluids, or industrial systems.
• Strong depth in fluids, thermo, and structures for system reasoning.
• Experience creating P&IDs and the systems they describe.
• Proficient in Python and data handling for test automation.
• Ability to write and follow procedures under pressure.

Responsibilities

• Design and build test systems for components, engines, and stages.
• Own P&IDs from schematic to procurement and checkout.
• Operate and troubleshoot systems live, including electrical/software.
• Safely manage high-pressure and cryogenic systems.
• Write test procedures and run them as conductor.
• Perform hazard analysis and set safety controls.
• Instrument tests: sensor selection, calibration, DAQ, sampling.
• Reduce and present data; drive root-cause for anomalies.
• Own stand project schedules and long-lead items.

Skills

Test design

P&ID drafting

Systems integration

High-pressure environments

Test procedures

Python scripting

Self-direction

Technical writing

Education

Bachelor's degree in mechanical or aerospace engineering

Tools

PLC programming

DAQ systems

Job description

Cowboy Space Corp. is seeking a Test Engineer to design, build, and operate test systems for propulsion, fluids, and control hardware at our Seattle facility. You will develop fluid and instrumentation setups, own P&IDs, and ensure safe operation of high‑pressure and cryogenic systems.

You will write procedures, run tests under pressure, analyze data, and drive root‑cause investigations. 4–8 years of hands‑on experience and a mechanical/aerospace background are required.