Software Engineer (C++) Position Description At CGI, we''re redefining what''s possible in the Space, Defence, and Intelligence sector delivering secure, mission-critical systems that protect the UK and drive national capability. As a C++ Software Engineer, you''ll help design and implement next-generation solutions that enable operational excellence and resilience in the most demanding environments. You''ll be part of a trusted team that values innovation, ownership, and collaboration-empowering you to shape the future of defence technology while advancing your own career through continuous learning and professional growth.CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ''Best Employer'' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you''ll be part of an open, friendly community of experts. We''ll train and support you in taking your career wherever you want it to go.Due to the highly secure nature of the work, this role is only open to sole UK Nationals who hold or are eligible to hold High-Level Clearance