Infrastructure Test & Integration Engineer (DV Security Clearance)

Position Description

Join CGI’s Space, Defence and Intelligence business unit and play a critical role in delivering secure, resilient infrastructure solutions that support nationally significant programmes. As a Manual Infrastructure Tester, you will work within high-performing Agile delivery teams, collaborating with developers, infrastructure engineers, and project managers to ensure the successful testing and integration of complex systems across secure environments. This role offers the opportunity to contribute to high-impact projects while working with modern infrastructure technologies across Windows and Linux platforms. At CGI, you’ll be empowered to take ownership, contribute innovative ideas, and grow your expertise within a collaborative and supportive team environment.

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 UK Security Clearance or be eligible to go through this clearance. This position will work full time on site near Basingstoke.

Your future duties and responsibilities

We are looking for experienced Test & Integration Engineers with high-level UK Security Clearance to join a technically complex and secure programme based in Basingstoke.

You will bring a strong understanding of Active Directory and Windows operating systems, together with experience working as part of a multi-disciplinary engineering team.

Embedded within Agile delivery teams, you will work closely with developers, infrastructure specialists and project managers to deliver high-quality solutions that make a real-world impact.

You will apply your knowledge of integration frameworks to support the continuous integration, deployment and testing of new features across complex environments. The role requires hands-on infrastructure engineering experience, including the testing, deployment and maintenance of robust, scalable systems.

We are particularly interested in candidates with direct experience of testing and integrating one or more of the following:

• Identity and Access Management (IDAM) systems, including Role-Based Access Control (RBAC)

Public Key Infrastructure (PKI)

Server monitoring, auditing and patch deployment

Required Qualifications To Be Successful In This Role

• Run manual tests using project-approved tools.
• Interpret test results and undertake preliminary investigation of failures.
• Raise defects and monitor them through to resolution.
• Develop scripts to support sub-system integration and end-to-end testing.
• Apply a strong knowledge of IT infrastructure, including servers, networks and virtualisation technologies.
• Work with network protocols and Windows operating systems as part of testing and integration activities.
  
  

You will ideally have:

• Demonstrable experience in software and/or systems testing.
• Experience in the integration and testing of sub-systems.
• Experience designing and producing manual tests.
• Experience using test management tools.
• A good understanding of IT infrastructure, network protocols and Windows environments.
• Experience working effectively within a multi-disciplinary engineering team.
  
  

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 busin

ess consulting services firms in the world.