Repair & Overhaul Technician - Test

INNIO Group; Waukesha (WI); On-site; USD 28,000 - 39,000; Full time

Job summary

INNIO Group is seeking a hands-on Engine Test Technician to perform start-up and testing of large gas compression and power generation engines. You will monitor performance, troubleshoot issues, and ensure engines meet quality standards before delivery.

This role requires lifting up to 40 lbs and the ability to operate in a dynamic assembly and test environment, collaborating with engineering and repair teams for continuous improvement.

Qualifications

• 2+ years of mechanical, automotive, diesel, heavy equipment, or industrial repair experience preferred.
• Ability to meet physical demands of industrial engine assembly.
• Ability to lift a minimum weight of 40 lbs.

Responsibilities

• Perform start-up and operational testing of completed industrial engines.
• Monitor engine performance, including temperatures, pressures, speeds, vibrations, and other operating parameters.
• Follow test procedures, service manuals, drawings, and engineering instructions.
• Utilize computer-based systems to monitor, record, and document engine test data.
• Inspect engines before, during, and after testing for leaks, abnormal noises, vibration, or other issues.
• Troubleshoot mechanical, electrical, and engine performance problems.
• Make adjustments and minor repairs as needed to achieve proper engine operation.
• Use diagnostic equipment and measuring tools to verify engine performance and component condition.
• Document test results, defects, repairs, and final engine performance.
• Work closely with engineering, assembly, and repair teams to resolve issues.
• Maintain test equipment, tooling, and a clean and safe work environment.
• Identify opportunities to improve testing procedures, reliability, and overall engine quality.

Skills

Mechanical repair experience

Physical job requirements

Education

High School Diploma or GED

Job description

About INNIO Group

INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power. With a track record of innovation, INNIO designs, manufactures and services high‑performance power systems under its Jenbacher and Waukesha brands. The company delivers power for applications including data centers, microgrids, grid stabilization, industrial energy and gas compression.

INNIO operates a global installed base across approximately 100 countries as of December 31, 2025, supported by a resilient, high‑margin services business that delivers long‑term, recurring revenues across the full equipment lifecycle. As electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions. INNIO employs over 5,000 people worldwide and is committed to moving energy forward.

Role Summary / Purpose

Responsible for testing large gas compression and power generation industrial engines after assembly. This hands‑on role involves starting and operating engines, monitoring performance, identifying issues, troubleshooting mechanical and electrical systems, and verifying engines meet quality and performance requirements before delivery to customers.

Essential Responsibilities

• Perform start-up and operational testing of completed industrial engines.
• Monitor engine performance, including temperatures, pressures, speeds, vibrations, and other operating parameters.
• Follow test procedures, service manuals, drawings, and engineering instructions.
• Utilize computer-based systems to monitor, record, and document engine test data.
• Inspect engines before, during, and after testing for leaks, abnormal noises, vibration, or other issues.
• Troubleshoot mechanical, electrical, and engine performance problems.
• Make adjustments and minor repairs as needed to achieve proper engine operation.
• Use diagnostic equipment and measuring tools to verify engine performance and component condition.
• Document test results, defects, repairs, and final engine performance.
• Work closely with engineering, assembly, and repair teams to resolve issues.
• Maintain test equipment, tooling, and a clean and safe work environment.
• Identify opportunities to improve testing procedures, reliability, and overall engine quality.

Qualifications

• High School Diploma or GED.
• 2+ years of mechanical, automotive, diesel, heavy equipment, or industrial repair experience preferred.
• Ability to meet physical demands of industrial engine assembly.
• Ability to lift a minimum weight of 40 lbs.

Desired Characteristics

• Strong collaborator who is a positive team player
• Autonomous, results driven and accountable for own actions and takes ownership of decisions.
• Demonstrated ability to multi-task and coordinate several moderate projects simultaneously.
• Effective problem solver and communicator with the ability to interface with peers with confidence and clarity.
• Willingness to learn new skills and perform a variety of tasks and roles within the assembly process