DevOps Engineer (Security Clearance) in London

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.

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

Your future duties and responsibilities:

• Design, enhance and support secure DevOps workflows that streamline delivery across on‑premise environments.
• Build and maintain CI/CD pipelines, develop automation frameworks and contribute directly to backend scripting and tooling that improve speed, reliability and operational performance.
• Work within Agile teams, take ownership of continuous improvement and collaborate closely with engineers to evolve systems that underpin mission‑critical programmes.
• Apply creativity to automation, containerisation and orchestration while ensuring monitoring, resilience and secure configuration across Linux‑based platforms.
• 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.

Required Qualifications To Be Successful In This Role:

• 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.

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.