DevOps Engineer (Security Clearance)

At CGI, you'll play a key role in advancing the secure, high-performance platforms that support mission-critical Space, Defence and Intelligence programmes. As a DevOps Engineer, you'll enhance automation, modernise delivery workflows, and strengthen the reliability of complex on-premise systems that enable our clients to operate with confidence. Working closely with development and infrastructure teams, you'll take ownership of innovative solutions that accelerate delivery, apply creative approaches to automation and tooling, and grow your expertise within a supportive community of engineers focused on making real, lasting impact., In this role, you will design, enhance and support secure DevOps workflows that streamline delivery across on-premise environments. You'll build and maintain CI/CD pipelines, develop automation frameworks, and contribute directly to backend scripting and tooling that improve speed, reliability and operational performance. Working within Agile teams, you'll take ownership of continuous improvement and collaborate closely with engineers to evolve systems that underpin mission-critical programmes.

You'll apply your creativity to automation, containerisation, and orchestration while ensuring monitoring, resilience and secure configuration across Linux-based platforms. Supported by a strong community of technical experts, you'll help shape scalable services that meet demanding performance and security needs.

Key responsibilities:

Build & Enhance: Develop and maintain CI/CD pipelines for on-premise environments.

Develop & Automate: Contribute to backend development and scripting using Java, Python, C#, Bash or PowerShell.

Provision & Configure: Automate infrastructure using Ansible, Terraform, CloudFormation and related tooling.

Containerise & Orchestrate: Deploy and operate Docker and Kubernetes workloads for scalable services.

Monitor & Resolve: Manage system health, troubleshoot issues and support secure PKI practices.

To succeed, you'll bring strong DevOps engineering experience across automation, CI/CD, scripting and containerisation, with a solid understanding of secure, on-premise system operations.

You should have:

Proficiency in Java, Python, C#, PowerShell or Bash for development and scripting.

Strong knowledge of Linux system administration and configuration management.

Hands-on experience with Ansible, Terraform and automation frameworks.

Practical experience with Kubernetes and Docker for orchestration and container management.

Experience building CI/CD pipelines using tools such as Jenkins, Git or Bitbucket.

Familiarity with PKI and secure enterprise environments.

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 secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.

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. Discover CGI London, England, United Kingdom > 1000 employees IT services We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients' businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you'll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let's turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. Benefits: - Insurance coverage - Medical benefits - Pension plan - Member Assistant Programme - Check4Cancer - Flexible time off - Share Purchase Plan - Member discounts - Dental benefits - Vision benefits - Profit Participation Plan - Health and Wellbeing Programme