Linux Infrastructure Engineer (SC Clearance) Position Description At CGI, you will play a key role in designing and operating secure, high-performance Linux-based infrastructure that supports mission-critical systems across the Space, Defence and Intelligence sector. As a Linux Infrastructure Engineer, you will build resilient, scalable platforms that enable innovation and operational excellence. Working with advanced technologies and expert teams, you will take ownership of complex challenges, apply creative solutions, and grow your career within a collaborative and supportive environment.The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.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 ..... full job details .....