Now hiring

Senior Software Engineer @ Sirius Digital

Port Way, Port SolentOnsiteFull-time
Apply with ResuMinder

Opens on the employer's site

About this role

Salary: £30,000 - 50,000 per year

Requirements: At least 5 years experience in designing and implementing performant software applications.Proficient in C/C++ or C# and Python.Ability to understand and describe a range of software modelling and simulation techniques.Ability to analyse use cases and project data context to determine specifications and requirements.Experience in one or more of the following technical disciplines: Videogame engine technology (e.g. Unreal Engine, Godot), Entity or Event based Simulation, Robotics and Autonomous Systems.Understand varied codebases and be confident in making changes to large projects.Understand performance and hardware constraints.Building customer and stakeholder relationships.Supporting and leading authoring of technical reports and presenting to customers.Be willing to travel across the UK and comfortable to work at client sites for periods.Degree level education or equivalent relevant experience in a STEM/computing background.Proficient in MS Office, especially Excel, PowerPoint, Word.Candidates must have an existing right to live and work in the UK.Candidates need to undergo an internal BPSS check prior to site access.Candidates must hold or be willing to undergo a Security Clearance check (SC level). Responsibilities: Designing, developing and delivering software solutions using a range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins and Synthetic Environments.Applying mathematical and computational methods to tackle real world problems and developing novel approaches.Delivering technical consulting projects and products, with opportunities to lead some of these projects.Building new relationships and maintaining current customer relationships.Providing key advice around innovation and new techniques to stakeholders.Developing code in Software Modelling and Simulation, autonomy and geospatial fields.Analyzing existing use cases to inform project specifications and requirements. Technologies: C#ExcelHardwarePythonRoboticsSecurityUnrealGameDevC++ More:

We are a small but rapidly growing consultancy, owned by four highly experienced and recognised practitioners in UK defence consultancy. We offer competitive salaries and benefits, including pension contributions, 25 days holiday, and life insurance. We are looking for senior software engineers who are eager to grow with us, developing their own skills and those of the company. The successful candidates will have opportunities for rapid advancement and will be part of a dynamic and innovative team.

last updated 29 week of 2026

Ready to apply?

Install the ResuMinder extension and we'll auto-fill the application in seconds — no rewriting.

See how your CV scores