Senior Embedded C++ Engineer

In this role you will develop mission-critical embedded software for real-time, high-integrity systems in defence and regulated environments, collaborating with cross-functional teams. You’ll leverage deep C++ expertise to deliver robust, deterministic software and contribute to safety assurance activities. The position offers exposure to complex platforms, strict documentation, and a path to skilled, impactful engineering work within ALTEN’s diverse portfolio.

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

• Design, develop, and maintain embedded C++ software for real-time, mission-critical systems
• Contribute to development within safety-regulated environments, following high-integrity software practices
• Develop and integrate low-level software components and system interfaces
• Support unit, integration, and system-level testing to ensure deterministic and reliable behaviour
• Collaborate with systems, electronics, and test engineers to integrate software into complex platforms
• Produce clear and traceable technical documentation suitable for regulated engineering environments

• Strong experience with embedded C++ (C++11/14/17 or later)
• Proven background delivering software in defence, safety-critical, or regulated environments
• Solid understanding of real-time software constraints and deterministic behaviour
• Experience contributing to verification, validation, and requirements traceability activities
• Familiarity with configuration management and development lifecycle tooling
• Strong debugging and problem-solving ability within complex systems

• Clear and confident communicator across multi-disciplinary teams
• Detail-oriented, quality-driven mindset
• Strong ownership of technical delivery and accountability
• embedded C++ (C++11/14/17+)
• real-time systems
• verification and validation