Senior Manual Tester (DV Security Clearance)
At CGI, you will play a key role in safeguarding the quality and reliability of critical enterprise platforms that support some of the UK’s most important programmes. As a Tester, you will help ensure systems perform as intended, meet user needs, and deliver measurable value. Working directly on client site in Corsham, you will be entrusted with testing activities, collaborating closely with Agile delivery teams, and continuously improving how quality is embedded across the delivery lifecycle.
Please note this role is based full time on client site near Chippenham. Due to the secure nature of the programme, you will need to hold DV or HLC clearance. Candidates with SC clearance who are willing to progress to HLC/DV will also be considered.
Your future duties and responsibilities
In this role, you will be responsible for ensuring the quality, usability, and reliability of an enterprise IT platform. You will plan, design, and execute testing activities across the delivery lifecycle, identifying defects early and validating that solutions meet both technical and business requirements.
Working as part of Agile teams, you will contribute to continuous improvement and help ensure releases are robust, compliant, and fit for purpose. You will take ownership of test documentation, strategies, and evidence, collaborating with developers, analysts, and stakeholders to drive high standards and consistent outcomes.
* Design & Execute functional, regression, system, integration, and UAT testing
* Develop & Maintain test cases, scenarios, scripts, and test data
* Identify & Manage defects, including logging, tracking, retesting, and validation
* Contribute & Support test strategy and test planning activities
* Validate & Confirm fixes prior to release
* Document & Evidence testing activities for audit and compliance
Required qualifications to be successful in this role
You will have proven experience testing enterprise IT platforms and a strong understanding of structured testing approaches within service-focused environments. You will be detail‑oriented, organised, and confident communicating findings clearly to a range of stakeholders.
* Proven experience as a Manual Tester or QA Analyst on enterprise systems
* Strong ability to write clear, structured test cases and defect reports
* Experience using test and defect management tools (e.g. Jira, Azure DevOps)
* Knowledge of ITIL 4 concepts and service management environments
* Experience using documentation tools such as Confluence or SharePoint
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