Our client, a recognised leader in the Defence and Security industry, is seeking a skilled Senior Software Engineer to join their team in Chertsey. This role offers the chance to work on high-impact projects within a collaborative environment, delivering innovative software solutions that meet stringent industry standards. The ideal candidate will lead software design activities, mentor team members, and ensure the successful delivery of complex systems aligned with defence sector requirements.Key Responsibilities:Lead software design efforts, translating system requirements into robust solutionsSupervise and mentor design engineers, ensuring adherence to best practices and standardsCollaborate with multi-disciplinary teams, defining interfaces with firmware and electronicsPresent software designs to project teams and clients at various project stagesMonitor progress and ensure software packages are delivered within agreed timescales and budgetsEnforce compliance with project and company procedures, standards, and quality benchmarksProvide technical leadership, oversee verification, validation, and integration activitiesJob Requirements:Proven experience in architectural and detailed software design, particularly in defence or similar high-security environmentsStrong background in implementing and testing software in C++, with familiarity across Linux and Windows platformsExperience using industry-standard IDEs and version control toolsUnderstanding of structured software ver