Automation Test Engineer

At CGI, you'll play a pivotal role in assuring the quality, reliability, and performance of complex infrastructure systems that underpin mission-critical programmes. Working at the intersection of infrastructure, automation, and quality engineering, you'll help design, test, and validate secure, scalable platforms across hybrid and cloud environments.

As an Automation Test Engineer you'll collaborate with cross-functional teams including DevOps, SREs, developers, and client stakeholders to embed robust testing practices into every stage of delivery. You'll contribute to high-impact programmes within our Space, Defence and Intelligence (SDI) business unit, supporting solutions that help keep the UK safe and secure.

This role offers the opportunity to work in a highly secure, technically challenging environment where innovation, ownership, and continuous improvement are encouraged. CGI is committed to your growth, providing strong learning pathways and the freedom to shape technical direction while delivering meaningful outcomes., > Design, build, and maintain automated test environments using Infrastructure as Code (IaC)

Develop automation frameworks, scripts, and playbooks to validate infrastructure and platform deployments

Integrate testing into CI/CD pipelines using tools such as Jenkins, GitLab CI, or Azure DevOps

Execute functional, non-functional, and performance testing across infrastructure components (compute, storage, networking, containers, cloud)

Collaborate closely with engineers and stakeholders to ensure quality, traceability, and release assurance

Monitor and analyse system performance and logs using tools like Prometheus, Grafana, ELK, or Splunk

Support and enhance test pipelines, improving repeatability and efficiency

Contribute to knowledge sharing and best practices across teams and client environments

Participate in Agile ceremonies, continuous improvement initiatives, and technical discussions

We're looking for candidates with a strong foundation in infrastructure automation and testing, with experience in secure or complex environments.

Essential:

Experience testing infrastructure platforms (virtualisation, networking, compute, or cloud)

Strong scripting skills (e.g. Python, Bash, or PowerShell) and experience with testing frameworks (e.g. Pytest)

Hands-on experience with automation and IaC tools (e.g. Ansible, Terraform, Puppet)

Experience with CI/CD pipelines (e.g. Jenkins, GitLab)

Familiarity with container technologies (Docker, Kubernetes)

Strong Linux/Unix system administration skills (Windows experience also beneficial)

Understanding of networking fundamentals (L3/L4), security principles, and system design

Experience working collaboratively with technical teams and stakeholders

Desirable Skills

Experience with VMware / vCenter environments

Knowledge of cloud platforms (AWS, Azure, GCP)

Familiarity with test frameworks and tools (Robot Framework, Selenium, Cypress, Playwright)

Experience with monitoring and observability tools (Grafana, ELK, Splunk, InfluxDB)

Understanding of OpenShift or advanced Kubernetes ecosystems

#LI-JS2

CGI has been recognised in the Sunday Times Best Places to Work List 2025, named a UK 'Best Employer' by the Financial Times, and one of the World's Best Employers by Forbes. We offer a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner, not just an employee.

Due to the secure nature of this role, you must hold (or be eligible to obtain) UK Security Clearance. Required on site in Gloucester 5 days per week.

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