About this role
Salary: £30,000 - 60,000 per year
Requirements: Experience designing and delivering performant software applications, ideally within a technical consultancy environmentKnowledge of software modelling and simulation techniquesAbility to analyse requirements and define technical specificationsExperience in one or more of the following: videogame engine technology (e.g., Unreal Engine, Godot), entity or event-based simulation, robotics, and autonomous systemsProficiency in C/C++, familiarity with Python, C#, ZigWillingness to learn new technologies and programming languagesAbility to apply mathematical or statistical methods to scientific or applied challengesConfidence working with large codebases and understanding hardware/performance constraintsStrong interpersonal skills for client and stakeholder engagementExperience preparing technical reports and presenting to customersWillingness to travel within the UK and work on client sites as requiredBackground working with Defence Digital, DE&S, Dstl, Frontline Commands, or the UK Defence industry (desirable)Degree in a STEM or computing discipline, or equivalent experience (desirable)Proficiency with MS Office (Excel, PowerPoint, Word) (desirable) Responsibilities: Deliver technical consultancy projects to a high standardDevelop and implement software solutions across areas such as wargaming, simulation, autonomous systems, digital twins, and synthetic environmentsBuild and sustain strong client relationshipsApply mathematical and computational techniques to solve real-world problems, developing innovative approaches as needed Technologies: AIC#ExcelHardwarePythonRoboticsUnrealGameDevC++Security More:
At Sirius Digital, we are a trusted provider of expertise in Software Engineering, Data Science, and AI, supporting clients in the defence, nuclear, space, and energy sectors. We specialize in software modelling and simulation, robotics and autonomous systems, and data science and engineering, delivering technical consultancy and innovative solutions. We offer a competitive benefits package including a 7% pension contribution, private healthcare, life assurance, and additional holiday purchase options. With clear opportunities for rapid career progression, we encourage you to join our dynamic team in Portsmouth with a hybrid working model.
last updated 39 week of 2026