Propulsion Engineering Technician

San Luis Obispo, California, United States DEFENSE Full-time Posted Sep 2, 2026
Apply on Mach Industries (opens in a new tab) Sourced via job-boards.greenhouse.io · Posted 2026-09-02

About this role

Mach Industries is hiring a Propulsion Engineering Technician, full-time, on-site in San Luis Obispo, California, United States, in the DEFENSE sector.

About Mach Industries

Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition.

Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.

The Role

Mach Industries is seeking a Propulsion Engineering Technician to support the calibration and testing of advanced small engine systems for the next generation of airborne defense platforms. As a Propulsion Engineering Technician, you will be instrumental in building, operating, and testing propulsion systems that ensure the United States maintains its strategic advantage in modern warfare. Your hands-on expertise will contribute to the development of high-performance, scalable engines that power autonomous defense platforms.

Mach Propulsion is redefining the small turbine engine—designing for high-rate production, scalability, modularity, and adaptability to help the United States maintain its edge in a rapidly evolving defense landscape. This is a chance to shape a new kind of propulsion company, one built around modern, automated manufacturing to deliver capable engines at meaningful volumes. In this role, you will collaborate with a multidisciplinary engineering team to create high-performance, manufacturable systems that meet demanding mission requirements.

Key Responsibilities

  • Build, operate, and maintain test systems and infrastructure including test cells and instrumentation packages.

  • Perform engine performance testing and calibration.

  • Build and rebuild prototype engines for development testing.

  • Execute verification and validation test plans of engines and related systems.

  • Collaborate with propulsion engineers and test teams to troubleshoot issues and optimize system performance.

  • Maintain detailed records of test setups, procedures, and results to support engineering analysis.

  • Support short-term off-site testing at various test ranges as needed to meet project objectives.

Required Qualifications

  • 5 years in related aerospace maintenance or development support role, A&P certificate preferred. Direct engine experience required, aerospace piston or turbine preferred.

  • Multi-talented across overall test ops, understanding of flight test development campaigns and helping to lead the engineering team on requirements.

  • Hands-on experience with prototyping, testing, and iteration of mechanical systems.

  • Strong attention to detail and problem-solving skills, self-motivated to create solutions.

  • Willing to support short-term off-site testing at various test ranges.

Preferred Qualifications

  • Experience with small turbine engines or aerospace propulsion systems in a testing or maintenance capacity.

  • Familiarity with test cell operations, instrumentation setup, and engine calibration techniques.

  • A&P (Airframe and Powerplant) certification or equivalent hands-on aerospace training.

  • Ability to interpret technical drawings, schematics, and engineering instructions.

  • Experience supporting flight test campaigns or aerospace development programs.

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 .

Pay Range $35 — $48 USD

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
To view Mach Industries candidate data privacy policy, please visit https://machindustries.com/privacy-policy .

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.

Description from Mach Industries's official posting. Always confirm details on the company careers page.

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About Mach Industries

Mach Industries

Company in the mobility sector tracked nightly on the Mobility Jobs board.

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Larry Sherwood Jr.

About Larry Sherwood Jr.

Talent Acquisition Leader specializing in mobility, EV, and frontier tech. 1,000+ hires across roles ranging from production technicians to VPs, including 48 hires for the AFEELA U.S. launch at Sony Honda Mobility (98% offer acceptance, $1.5M+ agency savings). SHRM-CP certified. Build recruiting functions from scratch, no agencies.

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Curated by Larry Sherwood Jr. on the free Mobility Jobs board. Pulled nightly from company applicant tracking systems. Apply directly on the source link above to be considered.