Mechanical/Propulsion Test Engineer

Location: Denver, CO

Clearance: U.S. Citizenship Required (ITAR/DoW Programs)

About the Role

Astra CoreX, Inc. (ACX) is seeking a Mechanical/Propulsion Test Engineer to own the assembly, instrumentation, and testing of propulsion hardware of our launch vehicles. You’ll be responsible for assembling, instrumenting, and testing components, subsystems, and complete vehicles using your technical background and available references under the guidance of subject matter experts in several key areas.

Key Responsibilities

  • Build propulsion hardware and test articles.
  • Design fixtures, mounts, stands, and launchers.
  • Integrate instrumentation including pressure, temperature, and strain.
  • Support DAQ setup, calibration, and test execution.
  • Write test plans, safety reviews, and reports.

Required Qualifications

  • Bachelor’s in Aerospace/Mechanical Engineering or another relevant field.
  • 3–10 years of experience testing rocket-powered launch vehicles.
  • Familiarity with solid rocket motors and amateur rocket development.
  • Proficient with SolidWorks or other CAD software.
  • Skilled in machining, metal fabrication, and instrumentation.
  • Strong verbal and written communication skills.
  • U.S. citizen with eligibility for government security clearance.

Preferred Qualifications

  • Experience designing or assembling propulsion hardware, test articles, and launch support equipment.
  • Familiarity with hydraulic or pneumatic systems, pressure vessels, and ground support integration.
  • Background in non-destructive inspection, fabrication planning, and test operating procedures.
  • Hands-on experience supporting static fire and launch campaigns with live instrumentation and QA documentation.
Submit your resume

ACX offers a comprehensive benefits package that includes group Medical, Dental, Life, and Short and Long-Term disability coverage from day one. We also offer a generous 401(k) Retirement Savings Plan with a Company match. Every role at ACX is bonus eligible. ACX is committed to full compliance with applicable anti-discrimination laws. We are an equal opportunity employer and value diversity at our company. We strive to create an inclusive work environment and will not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.