Test Specialist

Job Req ID: 61210 Posting Date: 04/09/2026 Function:  Service Location: Chippenham Salary: Competitive  About the role Join BT Defence at a time of transformation, where testing plays a critical role in delivering secure, resilient, and innovative services across complex defence environments. As a senior Test Specialist, you'll lead end-to-end testing activities on high-profile projects, shaping test strategies, driving quality outcomes, and ensuring solutions meet the demanding standards of our customers. You'll also mentor fellow testers, influence best practice across the team, and help deliver mission-critical services that support BT's commitments to the UK Defence sector. What you’ll be doing Lead end-to-end testing activities across complex Defence projects, developing test strategies and ensuring solutions are validated against customer and contractual requirements. Create and maintain high-quality test artefacts, including Test Strategy, Test Plans, Test Cases, Defect Reports, Progress Reports, and Completion Reports using IBM ELM. Execute testing across BT, customer, and supplier environments, identifying, analysing, and managing defects to support successful service delivery. Manage multiple project deliveries simultaneously while championing testing best practices, governance, compliance, and continuous improvement initiatives. Act as a senior member of the Defence Test team, mentoring junior testers, resolving complex challenges, and supporting the delivery of mission-critical services. Essential Skills / Experience Test Management & Delivery – Excellent understanding of defence industry and defence contracts, as well as testing principles and methodologies, with experience creating and managing test artefacts including Test Strategies, Test Plans, Test Cases, Defect Reports, and Test Completion Reports. Technical Analysis & Validation – Ability to interpret network and solution design documentation, derive effective test cases, use test techniques to reduce risks, execute risk-based testing, and validate complex technical solutions.  Stakeholder Engagement – Experience working with project teams, architects, customers, and technical stakeholders, with excellent written and verbal communication skills to influence outcomes and report findings clearly. Desirable Skills / Experience Mentoring & Continuous Improvement – Experience coaching junior testers and driving improvements to testing processes, tools, and quality practices. Emerging Technologies Knowledge – Interest in and exposure to new technologies such as cloud services, AI, automation, or sovereign cloud environments. Our Package Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include: •    10% on target annual bonus •    Access to an…