Simulation Software Engineer
| Posting date: | 24 November 2025 |
|---|---|
| Salary: | £40,000 to £85,000 per year |
| Additional salary information: | 9/75 work pattern, hybrid working, private healthcare, & more! |
| Hours: | Full time |
| Closing date: | 24 December 2025 |
| Location: | Westminster Abbey, London, Oxfordshire |
| Company: | Holt Recruitment Group Limited |
| Job type: | Permanent |
| Job reference: | 58557037 |
Summary
A growing space engineering team in the UK is seeking a Simulation Software Engineer to support the development of high-fidelity spacecraft simulators used for mission design, verification, and operations. You’ll work alongside software and aerospace engineers to develop simulation tools, integrate flight software, and ensure robust, reliable simulator performance for upcoming spacecraft missions.=
What You’ll Do
- Design, implement, and test spacecraft simulators as part of a multidisciplinary engineering team
- Develop and integrate simulation software aligned with mission and subsystem requirements
- Validate, configure, and deploy simulator builds into operational environments
- Create scripts based on operational scenarios to support testing and training
- Maintain simulator performance and availability for engineering and operational users
- Develop startup and configuration scripts for different operational modes and system setups
Essential Skills
- Degree in Computer Science, Electronics, or another relevant STEM discipline
- 2+ years of experience in software engineering or real-time software development, ideally within modelling/simulation
- Strong debugging and profiling experience on Linux
- Proficiency in modern C++ (C++14 or later)
- Solid understanding of object-oriented programming, UML, and design patterns
- Experience with test-driven development
Desirable Skills
- Experience with ECSS SMP, SIMULUS Suite, or other spacecraft simulation frameworks
- Familiarity with Agile development tools and methodologies
- Knowledge of ECSS-E-70 (PUS) and SCOS MIB
- Linux system administration, shell scripting, Makefiles
- JavaScript scripting experience
What’s on Offer
- Opportunity to work with a highly talented, international engineering team
- Flexible working around core hours in a supportive, collaborative environment
- Optional 9/75 working pattern
- Hybrid working arrangements (role-dependent)
- 25 days annual leave + 8 bank holidays (increasing with tenure)
- Private healthcare (taxable benefit), life insurance, long-term sick pay
- Relocation allowance and potential visa sponsorship
- Access to modern office and cleanroom facilities
- Regular social events and a positive team culture
TT
What You’ll Do
- Design, implement, and test spacecraft simulators as part of a multidisciplinary engineering team
- Develop and integrate simulation software aligned with mission and subsystem requirements
- Validate, configure, and deploy simulator builds into operational environments
- Create scripts based on operational scenarios to support testing and training
- Maintain simulator performance and availability for engineering and operational users
- Develop startup and configuration scripts for different operational modes and system setups
Essential Skills
- Degree in Computer Science, Electronics, or another relevant STEM discipline
- 2+ years of experience in software engineering or real-time software development, ideally within modelling/simulation
- Strong debugging and profiling experience on Linux
- Proficiency in modern C++ (C++14 or later)
- Solid understanding of object-oriented programming, UML, and design patterns
- Experience with test-driven development
Desirable Skills
- Experience with ECSS SMP, SIMULUS Suite, or other spacecraft simulation frameworks
- Familiarity with Agile development tools and methodologies
- Knowledge of ECSS-E-70 (PUS) and SCOS MIB
- Linux system administration, shell scripting, Makefiles
- JavaScript scripting experience
What’s on Offer
- Opportunity to work with a highly talented, international engineering team
- Flexible working around core hours in a supportive, collaborative environment
- Optional 9/75 working pattern
- Hybrid working arrangements (role-dependent)
- 25 days annual leave + 8 bank holidays (increasing with tenure)
- Private healthcare (taxable benefit), life insurance, long-term sick pay
- Relocation allowance and potential visa sponsorship
- Access to modern office and cleanroom facilities
- Regular social events and a positive team culture
TT