Infrastructure Tester

Sopra Steria; England; On-site; GBP 54,000 - 66,000; Full time

Benefits offered by this job

Annual leave

Health cash plan

Life assurance

Pension

Job summary

Sopra Steria's Aerospace, Defence and Security business seeks an Infrastructure Tester to join a dedicated, high-performing team delivering secure, scalable solutions in the Defence and Security sector.

Based onsite in Gloucestershire with flexible hours, you will validate performance, reliability and security across complex environments, and contribute to project delivery through independent test management and continuous improvement of testing approaches.

Qualifications

• Experience in Infrastructure Test roles such as Infrastructure Test Support or Infrastructure Test Engineer.
• Strong technical background in Windows Client/Server OS across physical and virtual envs.
• Experience of end-to-end integration testing.
• ISTQB Foundation Level certification, up to Advanced Technical Test Analyst or equivalent.

Responsibilities

• 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.

Skills

Infrastructure testing

Windows environments

End-to-end testing

ISTQB Advanced

Tools

VMware

Hyper‑V

Citrix

Job description

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.

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 and accurate documentation.
• Managing test activities independently and contributing to project delivery.
• Supporting the continuous improvement of test approaches, tooling, and frameworks.

What you'll bring:

• 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.

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.

Employment Type: Full‑time, Permanent. Compressed hours considered, for example five days in four.

Location: Gloucestershire.

Security Clearance Level: Eligible to undergo Enhanced DV (eDV).

Salary: Up to £60,000 base, with flexibility dependent on experience.

Benefits:

• 25 days annual leave with the choice to buy additional days, health cash plan, life assurance, and pension.

Loved reading about this job and want to know more 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.

We embrace difference as a source of creativity, innovation and competitive advantage and are striving to become a more diverse organisation. We welcome applications from people with a diverse variety of backgrounds and identities. We are committed to equality of opportunity for all and do not discriminate on the basis of race, religion, colour, gender, age, disability, sexual orientation or marital status. We have partnered with Vercida , the UK's largest diversity and inclusion focused careers site, where all our vacancies are available in an accessible format.
If you require any adjustments to the recruitment process, to enable you to perform to the best of your ability, please let us know when completing your application. We participate in the Disability Confident scheme and are committed to offering an interview to any candidate with a disability, who meets the minimum criteria for the role. If you believe this could apply to you, please let us know when completing your application.