Propulsion Test Engineer

The Role

Mach Energetics is seeking a Propulsion Test Engineer to support the planning, execution, and analysis of next-generation propulsion and energetic systems for advanced defense applications. In this role, you will work directly on propulsion hardware, test infrastructure, and data-driven test campaigns that enable rapid development, validation, and deployment of mission-critical systems. You will serve as the bridge between design and flight, ensuring propulsion systems perform reliably under extreme operating conditions.

Key Responsibilities

• Test Design & Setup: Design and maintain propulsion test stands and ground support systems used to secure engines during static fire and development testing.
• Execution: Lead and support test campaigns ranging from component-level testing (valves, regulators, feed systems) to full-scale integrated rocket engine hot-fire operations.
• Data Analysis: Use high-speed sensors and instrumentation to collect and analyze pressure, temperature, and thrust data to validate performance against specifications.
• Safety & Operations: Execute and oversee hazardous operations involving high-pressure systems and cryogenic propellants such as liquid oxygen (LOX), ensuring strict safety compliance and operational discipline.

Required Qualifications

• 3+ years of experience in propulsion, aerospace, automotive, industrial testing, mechanical development, or related technical environments. Experience working with mechanical assemblies, fluid systems, pressure systems, or propulsion hardware.
• Experience supporting test operations, troubleshooting, and rapid hardware iteration in development environments.
• Ability to read and interpret technical drawings, schematics, assembly instructions, and test procedures.
• Hands-on experience using shop equipment, torque tools, tubing tools, pressure equipment, and diagnostic instrumentation.
• Strong systems-thinking and troubleshooting mindset with the ability to quickly identify and resolve hardware, fluid, or test setup issues.
• Willingness to support extended hours and short-term travel during active test campaigns.

Preferred Qualifications

• Experience supporting rocket engines, turbine engines, thrusters, UAV propulsion systems, or aerospace propulsion hardware.
• Familiarity with propulsion test cells, DAQ systems, instrumentation, and engine calibration techniques.
• Experience with cryogenic systems, pneumatic systems, or hazardous fluid operations (LOX, GN2, GHe).
• A&P certification, military propulsion maintenance experience, or equivalent aerospace technical training.
• Experience supporting flight test campaigns or defense development programs.
• Welding, tubing fabrication, or precision mechanical assembly experience.
• Familiarity with cleanroom practices, contamination control, and aerospace-quality documentation standards.
• Ability to work cross-functionally with engineering, manufacturing, and flight-test teams in rapid development environments.

Additional Requirements

• Available to work extended hours and weekends as needed

ITAR Requirements

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

Engineer $80,000—$140,000 USD

Pay and benefits

At Mach, we believe that compensation is more than just a paycheck. It's a comprehensive package designed to reward the time, skills, and expertise you bring to our team. We are committed to offering competitive compensation that is equitable, transparent, and aligned with market trends.

Key Elements of Our Compensation Philosophy

• Competitive Salaries: We continuously research market rates to ensure our salaries are competitive with those in our industry and geographic location.
• Performance-Based Incentives: Our bonus structure is tied to both individual and company performance, creating a win-win scenario that motivates our team members to excel.
• Equity Participation: We offer stock options or equity to employees, ensuring that you share in the success and growth of the company.
• Benefit Packages: Our benefits include healthcare, dental and vision plans, retirement savings, and paid time off, because we understand that your well-being extends beyond the office.
• Professional Development: We allocate funds for continuing education, training, and career growth.
• Transparency: We are committed to openness about our compensation tiers and how decisions are made, ensuring trust and mutual respect.

By joining Mach, you're not just accepting a job-you're becoming a key part of a team that values your contributions and invests in your growth. Together, we aim to create a rewarding environment that sets the stage for long-term success.

Data Privacy

Disclosures

This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on (but not limited to) work experience, education and training, critical skills, and business considerations. Highly competitive equity grants are included in most offers and are considered part of Mach's total compensation package. Mach offers benefits such as health insurance, retirement plans, and opportunities for professional development.