Copello are working with a leading defence technology partner seeking a Principal Software Engineer to join their Human Machine Interface (HMI) and Cyber team, developing cutting-edge laser defence systems for the Royal Navy. Youll take a leading role in the technical delivery of complex software solutions, mentoring junior engineers and ensuring high standards across design, implementation, and integration. * Proven experience delivering complex software systems end-to-end * Solid understanding of the software development lifecycle - Desirable experience: OS lockdown, software security, HMI development, or automated testing. Location:Bristol, On-site, 5 days per week (due to project classification) Salary: Up to £64,000 + bonus & excellent benefits - Clearance: British Citizen or Dua
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