Principal Software Engineer (C++/Unreal)

Principal Software Engineer This is a pivotal technical leadership role within a rapidly growing consultancy. You will spearhead the design of complex digital twins and synthetic environments, providing high-level strategic advice on innovation to key UK defence stakeholders. The essentials Sole British nationality is required for this position. At least 7+ years of experience in software engineering Proficient in C++ and Unreal 5 Strong background in mathematical principles or statistical problem-solving within scientific fields.Your package A comprehensive private healthcare scheme and health cash plan The work Technical Leadership: Lead the end-to-end design and delivery of software solutions involving Wargames, Robotics, Autonomous systems, and Digital Twins. Strategic Influence: Provide key advice on emerging techniques and innovation to a wide range of defence stakeholders. Operational Management: Lead small delivery teams and oversee the line management and performance of engineering staff. Commercial Growth: Coordinate bid management activity and author technical proposals to secure new projects. Problem Solving: Apply advanced computational methods to tackle real-world challenges, developing novel approaches where standard tools fall short.Your profile A proven track record of managing stakeholders, including influencing and conflict management at a senior level. Extensive experience with a variety of software modelling and simulation techniques. Familiarity with videogame engines (e.g., Unreal Engine, Godot) or event-based simulation. Confident in navigating, understanding, and modifying large, varied codebases. Educated to degree level in a STEM or computing discipline. Willingness to travel across the UK to work at various client sites as required.Benefits and balanceWe offer a package designed to support both your professional growth and personal wellbeing: Pension Scheme: 7% employer contribution. Time Off: 25 days annual leave. Security: Life insurance coverage for peace of mind. Health: Private healthcare and a health cash plan. Discounts: Access to lifestyle and shopping discounts plus discounted gym memberships.Location and setup The role is based in Portsmouth with a hybrid working pattern of three days on site per week. You will join a small, agile team where your drive for rapid advancement is directly linked to the company's growth. Share your profile to arrange a confidential conversation about this leadership role