Role Purpose This role leads the engineering lifecycle of applications used within deployed ICT environments, from design through sustainment. The Applications Engineer will assess current application environments and dependencies, define application lifecycle requirements, and work with vendors to assess and integrate commercial off-the-shelf (COTS) products. The role includes supporting implementation activities, resolving technical issues, and ensuring applications meet Defence security, performance, and integration requirements. The engineer contributes to assurance and accreditation activities and produces detailed engineering documentation to support sustainment and governance. Key Responsibilities Assess current application environments and dependencies Define application lifecycle requirements (design sustainment) Work with vendors to assess and integrate COTS products Support implementation and technical resolution activities Ensure application solutions meet security, performance, and integration requirements Application lifecycle documentation Vendor evaluation and integration reports Design, security, and assurance artefacts Produce evaluation reports, design artefacts, and lifecycle documentation Key Skills & Experience Application lifecycle management Vendor product assessment and integration Secure application deployment in Defence environments NV2 clearance Vendor integration experience Secure application engineering background Systems integration and problem resolution