Engine Test Technician – Mechanical

Innio•Waukesha, WI

4d•Onsite

About The Position

The Engine Test Technician – Mechanical is a hands-on role responsible for preparing, testing, troubleshooting, and validating Jenbacher gas engines and power units. You’ll work directly with large industrial engines and test-cell equipment while helping establish safe, reliable, and efficient testing processes for our new operation. 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. Your Future at INNIO Group At INNIO, we’re driving innovative energy solutions for data center power infrastructure, distributed power generation, and compression applications. With increasing energy demand, INNIO’s solutions are in high demand. To meet this need, INNIO is growing and increasing the utilization of its Waukesha site. This expansion represents a clear signal of innovation and local growth—and you can be part of it. Join INNIO’s growing Jenbacher operation in Waukesha and help launch our brand-new engine test facility.

Requirements

High school diploma or equivalent required
Hands-on mechanical experience with engines, industrial equipment, heavy equipment, automotive/diesel systems, power-generation equipment, or similar equipment.
Mechanical aptitude and troubleshooting skills.
Experience working with piping, hoses, valves, cooling systems, lubrication systems, fuel systems, or exhaust systems.
Ability to read mechanical drawings, work instructions, specifications, and test procedures.
Experience using hand tools, power tools, and mechanical test equipment.
Commitment to safety, quality, and teamwork.

Nice To Haves

technical training, apprenticeship, associate degree, or related experience preferred
Experience with gas engines, generators, power-generation equipment, test cells, dynamometers, industrial controls, or equipment commissioning is a plus.

Responsibilities

Prepare engines and test cells for testing.
Position, rig, connect, and disconnect engines using cranes and material handling equipment.
Connect exhaust, cooling, fuel-gas, lubrication, pneumatic, and other mechanical systems.
Fill fluids, perform leak checks, and verify engine readiness before testing.
Install and remove hoses, piping, adapters, sensors, and test equipment.
Support engine start-up and operate and monitor engines through test cycles.
Monitor pressures, temperatures, vibration, cooling, lubrication, fuel systems, and other engine conditions.
Troubleshoot mechanical, engine, piping, cooling, lubrication, and fuel-gas issues.
Perform repairs, adjustments, component replacement, and rework as needed.
Support functional, performance, leak, and acceptance testing.
Document test results, defects, repairs, and corrective actions.
De-rig engines following testing and prepare them for the next production operation.
Work closely with Electrical Test Technicians, Engineering, Quality, Maintenance, and Assembly.
Help establish standardized work, troubleshooting methods, and best practices for our new Waukesha test operation.