Infrastructure Tester

Position Description

At CGI, you’ll play a pivotal role in assuring the quality and reliability of complex infrastructure solutions that underpin mission-critical programmes. As an Infrastructure Automation Tester, you’ll help shape how innovative technologies are tested, deployed and trusted, working in close partnership with clients to deliver measurable outcomes. You’ll contribute to high-impact projects that enable secure, scalable platforms, while being empowered to take ownership, think creatively and continuously improve how testing is delivered. Supported by collaborative teams and strong learning pathways, you’ll have the opportunity to grow your expertise, influence technical direction and make a lasting difference across some of the UK’s most important digital 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 Higher level UK Security Clearance, Required on site in Gloucester 5 days per week.

Your future duties and responsibilities

In this role, you will work within a cross-functional team to design, build and manage automated test environments across client platforms. You will take ownership of infrastructure testing, ensuring new capabilities are robust, repeatable and well-assured, while collaborating closely with development teams, product owners and client stakeholders. You’ll be encouraged to improve tooling, share knowledge and continuously enhance testing pipelines, supported by a culture that values collaboration, learning and innovation.

You will be required to work on site in Gloucester five days per week and hold Authority HLC clearance.

Key responsibilities include:

Design, build and maintain automated test environments using Infrastructure as Code

Develop and reuse playbooks, roles and scripts to configure and validate infrastructure

Build, maintain and improve automated test pipelines with development teams

Execute and assure testing of complex systems, documenting results for stakeholders

Collaborate with internal and client teams to support delivery and continuous improvement

Promote knowledge sharing and best practice across the team and wider client community

Required Qualifications To Be Successful In This Role To succeed, you will have strong experience in infrastructure automation and testing within secure or complex environments, with the ability to work collaboratively, take responsibility for outcomes and adapt to evolving technologies.

Essential qualifications and experience:

Proven experience using Docker, Ansible and VMware

Strong scripting skills with Bash and Python, including Pytest

Experience working with Git and GitLab Enterprise

Understanding of test automation frameworks and CI/CD pipelines

Experience working directly with technical stakeholders and delivery teams

HLC clearance and ability to work on site in Gloucester full time

Desirable experience:

Terraform, Jenkins and vCenter

Splunk and Atlassian toolsets

JavaScript and modern test frameworks (Selenium, Cypress, Playwright)

Kubernetes and containerisation technologies

Together, 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.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

Come join our team—one of the largest IT and business consulting services firms in the world.