Propulsion Test Engineer (Aerospace)

Location: Greater Seattle Area, on-site

Salary: $130,000–$190,000 annually

Company

hirify.global is building space infrastructure using Low Earth Orbit satellites to collect sunlight, transmit energy through infrared lasers, and deliver secure, high-bandwidth optical data.

What you will do

• Design, build, commission, operate, maintain, and troubleshoot fluid, mechanical, instrumentation, and control systems for component, engine, and stage-level testing.
• Own P&IDs and take fluid-system designs from schematic through procurement, fabrication, checkout, and routine operation.
• Operate high-pressure and cryogenic systems involving LOX, LNG, and high-pressure gas.
• Write and execute test procedures as test conductor, including hazard analyses, safety controls, exclusion zones, and abort criteria.
• Instrument tests through sensor selection, calibration, data acquisition, and appropriate sample-rate definition.
• Reduce and present test data, investigate anomalies to root cause, and manage stand project schedules and long-lead items.

Requirements

• 4–8 years of relevant test experience in propulsion, fluids, energetics, or industrial systems.
• First-principles knowledge of fluids, thermodynamics, and structures.
• Experience creating P&IDs and building the systems they describe.
• Experience integrating and troubleshooting mechanical and electronic systems in hazardous or high-pressure environments.
• Experience writing and operating test procedures, performing data reduction, writing control sequences, and scripting; Python is preferred.
• Bachelor’s degree in mechanical or aerospace engineering, or a similar field. Applicants must be U.S. citizens, lawful permanent residents, protected individuals, or eligible to obtain the authorizations required under ITAR.

Nice to have

• Experience designing cryogenic fluid systems from scratch.
• Hands-on liquid rocket engine hotfire experience.
• LOX and methane or LNG experience, including cleanliness, materials compatibility, and ignition considerations.
• Control-system experience with PLCs, sequencing, interlocks, valves, and actuators.
• Fabrication literacy in welding, machining, and tube bending, plus structural, proof, burst, or environmental testing experience.

Culture & Benefits

• Equity in hirify.global Corp.
• Medical, dental, and vision insurance for employees and eligible dependents.
• 401(k) retirement savings plan, paid time off, and 10 paid holidays annually.
• Paid parental leave and relocation assistance where applicable.
• Daily office lunch and a stocked kitchen with beverages and snacks.