Senior C++ Software Engineer

Overview

In this role you will design and evolve C++ software for mission-critical defence systems, applying DO-178 guidance to meet safety standards. You will work with cross-functional teams to integrate software into complex platforms and participate in regulated testing and documentation. The position offers exposure to fast-paced defence programmes and opportunities to impact operational capability, quality assurance, and secure software delivery. You will join a collaborative, safety-conscious environment focused on delivering robust solutions.

Pay / Benefits

• Private Medical Insurance
• Cycle & Tech Scheme
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, team events
• Flexible working (role dependent)

Responsibilities

• Design, develop, and maintain C++ software for mission-critical defence systems
• Apply DO-178 principles and ensure safety-compliant software
• Perform black-box and system-level testing and verification
• Collaborate with multi-disciplinary teams to integrate software into complex systems
• Support configuration management and CI/CD processes (Git, Jenkins, CMake)
• Produce clear technical documentation aligned with regulated environments

Key requirements

• 8+ years of proven experience in C++ (C++11/14/17/20)
• Knowledge of DO-178 processes and safety-critical development
• Experience with black-box testing, verification, and requirements traceability
• Familiarity with configuration management and build tools (Git, Jenkins, CMake)
• Understanding of coding standards (MISRA, CERT C++)
• Must be eligible to hold or already hold UK SC Security Clearance

• Excellent communication for cross-functional collaboration
• Strong problem-solving and adaptability in regulated environments
• Ability to work effectively in multi-disciplinary teams
• C++ (modern standards: C++11/14/17/20)
• DO-178 processes and safety-critical development
• Black-box testing, verification, and requirements traceability

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