Infrastructure Tester

As our Infrastructure Tester, you'll join a dedicated, high-performing team delivering secure, scalable, and high-quality solutions within the Defence and Security sector. You'll work in a collaborative environment where your ideas and expertise are valued, supporting the delivery of infrastructure that underpins mission-critical systems. The role offers a broad range of testing activity, including validating performance, reliability, and security requirements across complex environments. You'll be supported to develop your technical skills and progress your career through training, development opportunities, and exposure to meaningful, high-impact work. We can offer great career progression opportunities, benefits which you can flex to meet your needs, and training and development opportunities. Due to the nature of work, this role is onsite, based in Gloucestershire, with compressed working hours considered, for example working five days over four.

• Validating and verifying infrastructure components, systems and networks to ensure performance, reliability and security requirements are met.
• Carrying out functional and non-functional testing across physical and virtual infrastructure.
• Performing end-to-end integration testing.
• Analysing test results and producing clear and accurate documentation.
• Managing test activities independently and contributing to project delivery.
• Supporting the continuous improvement of test approaches, tooling, and frameworks.
• Experience working in Infrastructure Test roles such as Infrastructure Test Support or Infrastructure Test Engineer.
• A strong technical background in Windows Client and Server operating systems across physical and virtual environments.
• Experience of end-to-end integration testing.
• ISTQB Foundation Level certification, preferably up to Advanced Level Technical Test Analyst or equivalent qualifications.

If you're interested in this role but not sure if your skills and experience are exactly what we're looking for.

It would be great if you had:

• Knowledge of Windows 10 or 11 and Windows Server 2019, 2022 or 2025.
• Experience with VMware, Hyper-V or Citrix.

Sopra Steria's Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client's goal of National Security, and we operate in a unique and privileged environment. We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK's most complex safety- and security-critical markets.

Although this role is advertised as full-time, we believe that flexibility at work can promote work/life balance, increase your motivation, reduce stress and improves performance and productivity. We support different ways of working and can offer a range of flexible working arrangements.

So, if you're interested and need to work flexibly,