Mechanical/Propulsion Test Engineer

Mechanical/Propulsion Test Engineer

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Location: Denver, CO

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

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About the Role

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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.

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Key Responsibilities

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

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

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• Master’s or Ph.D. in Aerospace/Mechanical Engineering, or another relevant field.
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• 10+ years of experience testing rocket-powered launch vehicles.
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• Direct experience with solid rocket motors and amateur rocketry.
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• Familiarity with DAQ systems (NI, Kulite, HBM, etc.).
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• Excellent verbal and written communication skills.
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• Active U.S. government security clearance.
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Salary Range

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• $125k-$170k
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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.

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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.