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 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.
CGI are on the lookout for a System Administrator to join our BOREALIS team and help keep secure, business-critical cloud infrastructure performing reliably for our clients. Based on site in Reading, you’ll play an important role in monitoring system health, identifying potential issues and providing responsive first-line support within a highly secure environment. You’ll have the autonomy to investigate alerts, use monitoring insights to solve problems and contribute to service improvements, while collaborating with experienced technical teams when more complex challenges arise. It’s an opportunity to build your expertise across Linux and cloud infrastructure, contribute ideas that strengthen service performance, and develop your career within a supportive CGI community where your contribution has a visible impact.
Due to the secure nature of the programme, you will need to be a sole UK National and hold UK Security Clearance or be eligible to go through this clearance. This is an office-based position, requiring 5 days per week onsite at our Reading location, and participation in a 24/7 on call rota.
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System Administrator – Linux & Cloud Infrastructure in Reading employer: Free-Work
LA International is an award-winning consultancy that offers a dynamic and inclusive work environment, perfect for Network Consultants seeking meaningful freelance opportunities. With a focus on employee growth and a commitment to diversity, we provide our team with the chance to work on high-profile projects while enjoying the flexibility of remote work and occasional travel to Reading for meetings. Our recognition as a leader in IT recruitment underscores our dedication to excellence and innovation, making us an exceptional employer for those looking to advance their careers in a supportive setting.
