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We last confirmed it on 2026-08-28. Similar roles are listed below.

Mach Industries

Propulsion Engineering Technician at Mach Industries (San Luis Obispo, CA)

Mach Industries· San Luis Obispo, CA· $25–$50/hr·

Role details

Salary
$25–$50/hr
Work type
Onsite
Employment
Full-Time
Equity
Yes
Work auth
Required
Skills
Engine performance testingCalibrationPrototypingTestingMechanical systemsTest cell operationsInstrumentation setupEngine calibration techniquesTechnical drawingsSchematicsEngineering instructionsFlight test development campaigns
Benefits

Health Insurance · Retirement Plans · Professional Development · Equity

Mach Industries at a glance

Builds low-cost autonomous aircraft, precision munitions, and high-altitude platforms for the U.S. military and its allies.

Mach Industries designs and manufactures next-generation asymmetric aerospace and defense systems, including unmanned strike aircraft, precision munitions, a counter-drone interceptor, and a stratospheric pseudo-satellite. Its thesis is cheap mass over exquisite few: build autonomous, expendable defense systems by the millions, and own the manufacturing and propulsion supply chain in house.

~$485M raised · latest: Series C · $300M · June 2026 · backed by Infinite Capital, Ribbit Capital, Sequoia Capital, Khosla Ventures

Summary

Support the calibration, testing, and maintenance of advanced small engine systems for autonomous defense platforms. Build and operate test infrastructure, execute verification plans, and collaborate with engineering teams to optimize system performance.

Job description

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.

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.

Mach participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

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.

Mach is an equal opportunity employer committed to creating a diverse and inclusive workplace. All qualified applicants will be treated with respect and receive equal consideration for employment without regard to race, color, creed, religion, sex, gender identity, sexual orientation, national origin, disability, uniform service, Veteran status, age, or any other protected characteristic per federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws. If you’d like to defend the American way of life, please reach out!

DATA PRIVACY

TO VIEW MACH INDUSTRIES CANDIDATE DATA PRIVACY POLICY, PLEASE VISIT HTTPS://MACHINDUSTRIES.COM/PRIVACY-POLICY.

By applying for a job at Mach, you acknowledge that you have read and understood this Recruiting Privacy Policy.

Why work at Mach Industries

  • Engineering-obsessed culture: Described as an "engineering-obsessed team pursuing well-guided product bets" with a focus on solving next-generation warfare challenges. machindustries.com
  • Compensation: Salary ranges from $150K - $200K for many roles; offers equity and bonuses. machindustries.com
  • High growth environment: 184 employees (113.9% YoY growth) with 83 active job postings — significant opportunity for impact and advancement. linkedin.com
  • Talent density: Colleagues from SpaceX, Anduril, Tesla, Lockheed Martin, and MIT — a high-caliber peer group. linkedin.com
  • Locations: Headquarters in Huntington Beach, CA; offices in San Francisco, CA; operations in Lithuania and the UK. linkedin.com
  • Employer Rating: 4.0/5.0 (28 reviews on LinkedIn) with strong scores for Compensation (4.0), Culture (3.9), and Career (4.1); Work-Life balance rated lower (3.1), typical for a high-growth defense startup. linkedin.com

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