Location: Hybrid – 4 days per week on site at MOD Corsham Rate: Up to £550/day IR35 status: Inside IR35 Contract dates: 01/10/2026 to 31/03/2028 Closing date: 15th September 2026 at 10:00 Security clearance: Must hold UK Security Clearance (SC) and be prepared to undergo DV clearance if required Overview Our customer, a large defence organisation, is seeking an experienced Test Engineer to deliver hands‑on engineering support to the OpNET FMN Spiral 6 Data Centric Interoperability (DCI) Pilot, developing and executing verification, validation, interoperability and compliance testing activities to support acceptance of the solution. The role focuses on the creation, execution and reporting of test activities across infrastructure, security, identity, interoperability and information exchange components, supporting full lifecycle delivery from test design through to execution, validation, demonstration and reporting within secure and regulated defence environments. Programme Context The New Style of IT (Deployed) – NSoIT(D) – programme is delivering OpNET , a new C4 capability across the SECRET, Mission SECRET and OFFICIAL-SENSITIVE security domains. The programme aims to deliver a highly secure, technologically advanced and evolutionary communications and information service that connects war‑fighters and enables information advantage across the operational landscape. Key Responsibilities Develop, maintain and execute test scripts to support verification, validation and acceptance of the FMN Spiral 6 DCI capability. Support the development and execution of the Validation and Verification (V
Test Engineer – Systems Integration & Interoperability employer: Quast Ltd
Quast Ltd. is an excellent employer for those looking to make a meaningful impact in the defence sector, particularly within the AJAX programme. With a strong focus on collaboration and innovation, employees benefit from a supportive work culture that encourages professional growth and development, alongside competitive remuneration and unique opportunities to engage with diverse stakeholders in a dynamic environment.
