Site Reliability Engineer (DV Security Clearance)CGILondon, ESEFull timeCGI UK Careers - Your mission found here. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member 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.Secure Innovation is part of CGI\'s Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the government agencies most challenging problems. Our teams work alongside our clients to help them understand how to exploit technologies to maintain competitive advantage. Our systems are engineered for performance, security, reliability and scalability; built with modern CI and CD tooling and techniques. We are currently looking for an experienced cloud infrastructure engineer to join our team - being able to think outside of the box to overcome technical challenges is essential!Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate.The role offers fantastic opportunities to work on leading edge and bespoke technologies within an interesting and highly rewarding environment. We are heavily committed to developing our members and provide excellent learning and development opportunities to ensure that your knowledge and skills keep pace with the evolving technology landscape. We engender a culture of innovation, collaboration and ownership; highly motivated self-starters thrive within our organisation. Although we would like candidates to have all of the skills we need, we would consider high quality individuals who meet most of the criteria.Background in Software Engineering, including the development of automation scripts, infrastructure as code, creating tooling or frameworks and feature development, ideally using Java and/or Python.Experience of engineering enablement products such as CI/CD, Observability and Alerting.Experience creating designs and documentation, including \"how to user guides\".Experience of investigating and resolving incidents and problems aligned to the SLAs.Continuously seeking opportunities for system performance improvements.A passion for learning new technologies and innovation.Desirable:Experience of working on AWS.Linux and Windows administration.Containerisation experience such as Docker, Kubernetes or OpenShift.Experience of security protocols such as PKI, TLS etc.PythonApplications AdministrationContinuous IntegrationKubernetesTogether, as owners, let's turn meaningful insights into action.Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you\'ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That\'s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company\'s strategy and direction. Your work creates value. You\'ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You\'ll shape your career by joining a company built to grow and last. You\'ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team-one of the largest IT and business consulting services firms in the world. #J-18808-Ljbffr