Senior Propulsion Engineering Technician in Mundelein

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Job DescriptionJob DescriptionFounded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With nine offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube.

Job Description : We are seeking a Propulsion Engineering Technician to join our advanced propulsion engineering team. You will be part of a small, high-performance group responsible for designing, building, and executing propulsion system tests that push the limits of autonomous aircraft capability. This role demands initiative, technical rigor, and the ability to define and execute test procedures for systems that have never been tested before.

You will design, fabricate, and maintain test fixtures and setups, develop and run test plans, and work hands-on with cutting-edge propulsion hardware and avionics. You will be involved in testing and qualifying prototype designs, first-article units. Success in this role requires accountability, precision, and cross-disciplinary collaboration.  What you'll do :

• Design, fabricate, assemble, and maintain custom test setups, fixtures, and instrumentation for engine and propulsion system validation.
• Develop and execute test plans for experimental propulsion systems and components in collaboration with engineering.
• Define and document test procedures and work instructions for new tests in environments with little or no precedent.
• Fabricate mechanical and electrical test hardware using composites, machined parts, 3D printing, adhesives, and aerospace-grade fasteners.
• Conduct and monitor propulsion system tests, including piston engines (preferably two-stroke).
• Operate and maintain instrumentation, data acquisition systems, and specialized calibration tools.
• Support avionics integration, wire harness fabrication, and system-level electrical testing.
• Analyze test data, document findings, and provide feedback to engineering teams to improve designs and testing methodologies.
• Work closely with propulsion, mechanical, aerospace, structural, manufacturing, software, and electrical engineering teams to support R&D testing.
• Execute cross-functional test campaigns when other teams’ hardware or software integrates with propulsion systems.
• Ensure discipline, accuracy, and repeatability in all test results and reports.

Required qualifications :

qualifications :

#LI-JM2#LC

Full-time regular employee offer package : Pay within range listed + Bonus + Benefits + Equity

Temporary employee offer package : Pay within range listed above + temporary benefits package (applicable after 60 days of employment)

Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.

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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of , , ancestry, , , , , , marital status, , or Veteran status. If you have a or special need that requires accommodation, please let us know.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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