Permanent

Test and Validation Engineer

Expert Employment

Aylesbury, Buckinghamshire, HP20 1QY

38000 - 42000 Per Annum None

Posted: 03 October 2026 (Today)

Closing date: 02 November 2026

Ref: 3383

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About the Role

This permanent Test and Validation Engineer role in Aylesbury sits within a dedicated test group supporting rocket engines and propulsion systems. The successful candidate designs, develops and assembles test equipment and ground support systems, including electrical ground support equipment, while interpreting technical specifications to define requirements. Duties cover writing procedures, setup instructions and maintenance schedules, carrying out risk assessments and safety reviews, and analysing results for technical reports. Hands-on mechanical engineering skills are essential, alongside the ability to support hot-fire testing and new product development. The position offers a salary of £38,000 to £42,000 per annum. Working closely with engineering colleagues ensures safe, reliable product performance throughout.

Working within the Test Group, you will design, develop and assemble test equipment and ground support systems for rocket engines and propulsion systems. You will support testing activities, analyse results and work closely with engineering teams to ensure safe and reliable product performance.
Key Responsibilities
Interpret technical specifications and develop test equipment requirements.
Design and assemble test systems, Ground Support Equipment (GSE) and Electrical Ground Support Equipment (EGSE).
Develop test procedures, equipment setup instructions and maintenance plans.
Carry out testing, risk assessments and safety reviews.
Analyse test data and contribute to technical reports.
Support hot-fire testing and new product development.
Key Requirements
Practical, hands-on mechanical engineering or fitting experience.
Understanding of chemical rocket propulsion and fluid control systems.
Willingness to work in test facilities, cleanrooms and outdoor environments, with occasional extended hours or weekend work.
Degree in Mechanical, Aerospace, Aeronautical Engineering or Physics, or equivalent relevant experience.
Experience with rocket engines, spacecraft propulsion or test equipment design.
Basic electrical engineering knowledge.