Gearbox Test Engineer — Dyno & Data-Driven R&D (Bonus)

GM Performance Power Units; Portsmouth; On-site; GBP 45,000 - 75,000; Full time

Benefits offered by this job

Bonus scheme

Private healthcare

401(k) plan including company match

Employer-paid life insurance and long/

Job summary

GM Performance Power Units is seeking a Gearbox Test Engineer to develop and validate high-performance transmission systems for Formula 1, with emphasis on dyno testing, rig development, and data-driven decision making. You will lead structured test programs, analyze results, and drive reliability improvements in a factory setting.

Ideal candidates possess a strong background in mechanical testing within motorsport or aerospace, expertise in tribology and lubrication, and experience with data

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering, Automotive Engineering, a related discipline, or equivalent experience.
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Responsibilities

• Plan, develop, and execute rigorous test programs for gearbox systems, including full transmission dyno testing, sub-system and component-level validation, and endurance and accelerated life testing.
• Define test procedures, instrumentation requirements, and acceptance criteria.
• Operate and support advanced test rigs simulating real-world race duty cycles.
• Analyze high-resolution test data to assess gear durability, fatigue life, friction losses, efficiency, thermal performance, and oil system behavior.
• Correlate test data with simulation models and historical track data.
• Produce clear engineering reports with recommendations for design and performance improvements.
• Lead root cause analysis of gearbox and component failures.
• Work with materials, design, and manufacturing teams to implement corrective actions.
• Maintain failure databases and support reliability growth programs.
• Support the specification, development, and commissioning of new test rigs and instrumentation systems.
• Improve existing test capabilities, automation, and data acquisition processes.
• Ensure test systems replicate real-world operating conditions as accurately as possible.
• Work closely with design engineering teams to validate new gearbox concepts and updates.
• Provide feedback on gear design, materials, coatings, and lubrication strategies.
• Support validation of simulation tools and models used for gearbox performance prediction.

Education

Bachelor's or Master's degree in Mechanical Engineering, Automotive Engineering, or related discipline

Tools

MATLAB

Python

DAQ systems

Job description

GM Performance Power Units is seeking a Gearbox Test Engineer to develop and validate high-performance transmission systems for Formula 1, with emphasis on dyno testing, rig development, and data-driven decision making. You will lead structured test programs, analyze results, and drive reliability improvements in a factory setting.

Ideal candidates possess a strong background in mechanical testing within motorsport or aerospace, expertise in tribology and lubrication, and experience with data