Test Engineer in Corsham

Are you an experienced Test Engineer with a background in complex infrastructure and systems integration, particularly within defence, security, or NATO environments? If so, we have an exciting opportunity with our client in Corsham, Wiltshire, that could be perfect for you. This contract role is looking for a DV cleared Test Engineer to support the OpNET FMN Spiral 6 Data Centric Interoperability (DCI) Pilot. Working on-site four days a week, you'll be pivotal in developing and executing verification, validation, and interoperability testing activities for critical defence systems. This is a fantastic chance to apply your skills in a secure environment, supporting mission-critical projects until March 2028.

• Develop, update, and execute test scripts for system verification, validation, and acceptance, specifically focusing on infrastructure, security, IAM, and PKI components.
• Support the creation and delivery of comprehensive V&V plans and testing scenarios-covering functional, non-functional, integration, and regression tests.
• Conduct interoperability testing across systems, partners, and coalition environments-covering federation, policy enforcement, auditability, and traceability.
• Perform testing of Federated Identity and Access Management (FIAM), Public Key Infrastructure (PKI), and trust services ensuring compliance and security standards are met.
• Produce detailed test documentation, manage defects, and provide clear reports to support audit and assurance activities.
• Collaborate closely with architects, engineers, and security specialists, supporting environment setup, validation, and demonstration activities.
• Support continuous improvement of testing methods and tools, delivering consistent quality aligned with programme deadlines.
• Proven experience in test planning, script development, execution, and reporting within complex infrastructure environments.
• Hands-on experience supporting validation and acceptance testing for security and identity solutions, including IAM, PKI, and FIAM.
• Solid understanding of systems integration, interoperability, and end-to-end service validation in secure or regulated settings.
• Knowledge of Identity and Access Management principles, digital certificates, and trust mechanisms.
• Familiar with tools such as JIRA, Confluence, and working within Agile or structured delivery regimes (SAFe or Waterfall).
• Current DV clearance, or SC clearance with eligibility for DV clearance.
• Strong troubleshooting, analytical, and communication skills.
• Experience working within military or NATO environments is highly desirable.
• Up to £600 per day (Inside IR35)