Infrastructure Test Engineer

Are you looking for a role where your work genuinely contributes to national security? Join us as an Infrastructure Test Engineer and play a key part in a small, high‑performing team that delivers secure, scalable and high‑quality solutions within the Defence and Security sector. You’ll help us ensure the systems our clients rely on are robust, reliable and ready for mission‑critical use. You’ll be part of a collaborative environment where your ideas and expertise really matter. You’ll work on a range of infrastructure testing activities – from validating system performance to ensuring security requirements are met – while being supported to develop your skills and career. We can offer great career progression opportunities, ability to be based anywhere across the UK, benefits which you can flex to meet your needs, and training and development opportunities.

What you’ll be doing:

• 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 documentation.
• Working independently to manage test activities and contribute to project delivery.
• Supporting the enhancement of test approaches, tooling and frameworks.

What you’ll bring:

• Experience working as an Infrastructure Test Engineer or in a similar role.
• A strong technical background.
• Good knowledge of Windows Client and Server operating systems across physical and virtual environments.
• Experience of end‑to‑end integration testing.
• Ability to work independently.
• DV Clearance.

It would be great if you had:

• Knowledge of Windows 11, Windows Server 2019/2022/2025, VMware, Hyper‑V or Citrix.
• Understanding of security and compliance standards.
• Knowledge of Active Directory, user management, role‑based access, OU structure and Group Policy.
• Appreciation of networking fundamentals including TCP/IP and DNS.
• PowerShell scripting skills.
• ISTQB Foundation Level certification 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, please do apply, we’d love to hear from you!

Employment details:

• Employment Type: Full‑time, Permanent.
• Location: Gloucestershire.
• Security Clearance Level: DV.
• Salary: £40,000–60,000k.
• Benefits: 25 days annual leave with the choice to buy additional days, health cash plan, life assurance, pension, and generous flexible benefits fund.

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 improve 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, we encourage you to apply and talk to us about what might be possible.

About us:

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.