Simulation Software Engineer

Holt Executive; Wytham; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A UK-based aerospace firm is seeking a Simulation Software Engineer to support the development of high-fidelity spacecraft simulators for mission design and operations. This role involves designing, implementing, and testing simulators within a multidisciplinary team. The ideal candidate will have a degree in a relevant STEM field and 2+ years experience in software engineering, particularly in real-time software development, with modern C++ proficiency. The position offers flexible and hybrid work arrangements along with competitive benefits.

Benefits

Flexible working

25 days annual leave + 8 bank holidays

Private healthcare

Life insurance

Relocation allowance

Access to modern office and cleanroom facilities

Regular social events

Qualifications

• 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).

Responsibilities

• 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.

Skills

Software engineering

Real-time software development

Debugging on Linux

Modern C++ (C++14 or later)

Object-oriented programming

Test-driven development

Education

Degree in Computer Science, Electronics, or relevant STEM discipline

Tools

ECSS SMP

SIMULUS Suite

Linux system administration

Shell scripting

JavaScript

Job description

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