> Markdown version of [/jobs/ext/4533062-test-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4533062-test-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Test Systems Engineer

- **Company:** Nexithon Ltd
- **Location:** Westcott, United Kingdom
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Test Data
- **Published:** November 3, 2026
- **Apply:** https://www.cv-library.co.uk/job/225787161/Test-Systems-Engineer

## About the Role

* 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

## Description

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.