Salary: £85,000 - 85,000 per year Requirements: Strong C++ development experience, ideally to industry standards on Linux and/or Windows platforms Experience in acoustic or RF signal processing (essential) Familiarity with structured UML-based design tools (e.g. Enterprise Architect) Experience of software verification and validation against contractual requirements Exposure to embedded or real-time application software Experience with Docker containers or equivalent containerisation Strong technical documentation and stakeholder communication skills Degree in Engineering, Mathematics, Computer Science or a related STEM subject (or equivalent experience) Eligibility to obtain UK SC security clearance Sole UK National from birth (required for security clearance purposes) Full UK driving licence Responsibilities: Define architectural and detailed software designs as part of the wider system definition Lead and mentor a software engineering team on a day-to-day basis Work cross-functionally with firmware and electronics engineers to ensure system-level requirements are met Monitor software compliance with project and company standards Present designs at review stages both internally and to customers Manage estimation, planning and progress against project milestones Technologies: Architect Docker Embedded Firmware Linux Security UML Windows C++ More: We are a well-established, specialist defence and technology business based in Chertsey, Surrey, operating as a flat, agile SME. We deliver high-quality systems and products into the defence sector, providing genuine exposure across the full engineering lifecycle. We offer competitive benefits including a base salary up to £80,000, paid overtime or time off in lieu, flexible core hours, a matched pension scheme, private medical care, onsite gym access, and structured training and career development opportunities. Additionally, we provide a holiday closedown over Christmas/New Year and a relocation package if needed. last updated 14 week of 2026