Infrastructure Test Engineer (DV Security Clearance)
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Main location: United Kingdom, England - South West, Basingstoke
Position ID: J1125-1612
Employment Type: Full Time
At CGI, you’ll play a vital role in assuring the quality and resilience of the infrastructure that underpins mission‑critical defence systems. As an Infrastructure Test Engineer, you’ll work at the heart of Agile delivery teams, collaborating across disciplines to validate complex environments and ensure new capabilities are delivered with confidence. You’ll combine hands‑on infrastructure knowledge with modern testing and DevOps practices, taking ownership of test activities while contributing creative solutions that strengthen delivery. Supported by a community of experts, you’ll help shape secure, scalable systems that make a real‑world impact.
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.
Due to the secure nature of the programme, you will need to hold UK Security Clearance at a high level or be eligible to go through this clearance. This position will require 5 days a week working onsite.
Your Future Duties and Responsibilities
In this role, you will lead the testing of complex infrastructure components within a defence programme, ensuring systems are robust, secure, and ready for operational use. Working within Agile teams, you will collaborate closely with developers and infrastructure engineers to design, execute, and refine test activities. You’ll take ownership of test outcomes, apply analytical thinking to investigate failures, and contribute to the continuous improvement of testing across the platform.
You will integrate testing into CI/CD pipelines, develop scripts to automate routine activities, and combine your knowledge of Windows, Linux, networks, and virtualisation to validate end‑to‑end system behaviour. Supported by a collaborative engineering community, you’ll help drive reliable, high‑quality delivery.
Key Responsibilities
* Test & Validate: Run manual tests using approved tools and assess system performance across infrastructure components.
* Investigate & Resolve: Interpret test results, conduct preliminary failure analysis, and track defects through resolution.
* Automate & Integrate: Develop scripts and embed testing within CI/CD pipelines and tool ecosystems.
* Collaborate & Support: Work closely with multidisciplinary engineering teams to deliver high‑quality outcomes.
* Analyse & Improve: Apply strong understanding of servers, networks, virtualisation, and OS platforms to ensure testing accuracy.
* Document & Report: Maintain clear test artefacts and contribute to continuous test process improvement.
Required Qualifications to Be Successful in This Role
To succeed in this role, you should bring strong experience in test design, execution, and analysis within complex technical environments, ideally alongside exposure to infrastructure engineering and DevOps practices. You’ll need confidence working across Windows and Linux systems, an understanding of IT infrastructure, and the ability to collaborate effectively in Agile teams.
Essential Qualifications
* Proven experience in testing within technical or infrastructure‑focused environments.
* Experience with Continuous Integration tools.
* Strong background in designing and producing manual tests.
* Proficiency with test management tools.
* Knowledge of infrastructure components including servers, networks, and virtualisation.
* Experience working with Windows and Linux operating systems.
Desired
* Familiarity with SAFe and Agile methodologies.
* Strong problem investigation and analytical skills.
* ISTQB Foundation certification.
Skills
* Continuous Integration
* Test Analysis
* Test Management
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