Job Opportunity: Test Systems Engineer – Aerospace Propulsion (Space) Location: Westcott Venture Park, Buckinghamshire, UK About the Client Our client is a leading Aerospace and Defence organisation specialising in advanced chemical propulsion systems for commercial, defence and scientific space missions. They design and manufacture high-performance rocket engines and thrusters, working with major spacecraft manufacturers and national and European space agencies. Position Overview Our client is seeking a hands-on Test Systems Engineer to join their Test Group, working closely with Engineering to design, develop and deliver test equipment and systems for chemical propulsion products. The role involves designing, building, testing and maintaining propellant and pressurant feed systems, Ground Support Equipment (GSE) and Electrical GroundSupport Equipment (EGSE), supporting ongoing programmes and new product development. Key Responsibilities ● Review and interpret test plans and engineering requirements. ● Develop compliance and verification matrices. ● Design test systems, GSE and EGSE, including associated software. ● Identify components and oversee procurement, fabrication and assembly. ● Develop equipment setup, checkout, maintenance and test procedures. ● Conduct HAZOPs and risk assessments. ● Support propulsion testing, including rocket engines and thrusters. ● Analyse test data, prepare reports and provide results to Engineering. ● Support customer meetings, Test Readiness Reviews and Test Review Boards. Qualifications & Experience ● Practical, hands-on engineering or mechanical fitting experience. ● Strong understanding of chemical rocket engineering. ● Logical problem-solving skills and attention to detail. ● Excellent communication and teamwork skills. ● Proactive, adaptable and willing to learn. ● Ability to take ownership of work and responsibilities. ● Strong commitment to quality, safety and continuous improvement. Desirable ● Degree in Mechanical, Aeronautical/Aerospace Engineering or Physics with relevant industrial experience. ● Knowledge of rocket engines, fluidic control systems and mechanical engineering. ● Basic electrical engineering knowledge. ● Spacecraft chemical propulsion experience (not essential). ● Enthusiasm for space and propulsion technology. Work Environment & Requirements The role involves working across offices, cleanrooms and test facilities, with occasional late shifts, nights, weekends and public holidays. Candidates must be comfortable with manual handling, working at height, climbing, outdoor work in varying weather, high-noise environments and exposure to industrial chemicals, while adhering to strict health and safety procedures. What Our Client Offers ● Competitive salary. ● 25 days annual leave plus bank holidays. ● 5% matched pension. ● Private health and dental care. ● Life assurance and enhanced sick pay. ● Employee Assistance Programme. ● Free on-site parking. ● Electric vehicle and cycle-to-work schemes. ● Employee discount platform