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Principal Software Engineer (C++ / Unreal)

Posted: 18/04/26
Recruiter:Electus Recruitment Solutions
Reference:3099020702
Type:Permanent
Disciplines: Software Engineer
Salary:£80,000 - £85,000 Annual Private healthcare, life insurance
Location:Southwick, Hampshire
Description: 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
  • Lead the end-to-end design and delivery of software solutions involving Wargames, Robotics, Autonomous systems, and Digital Twins.
  • Provide key advice on emerging techniques and innovation to a wide range of defence stakeholders.
  • Lead small delivery teams and oversee the line management and performance of engineering staff.
  • Coordinate bid management activity and author technical proposals to secure new projects.
  • Apply advanced computational methods to tackle real-world challenges, developing novel approaches where standard tools fall short.
Your profile
  • A track record of managing stakeholders 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.

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