Simulation Software Engineer

Holt Executive
Westminster, Greater London
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
Posted 2025-11-24

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