Principal Software Engineer - Secure Embedded Systems Lead

  • Jonathan Lee
  • Maidenhead, Berkshire
  • 27/07/2026
Full time Information Technology Telecommunications Software Engineer Testing

Job Description

Jonathan Lee is seeking a Principal Software Engineer to lead the design, architecture, and delivery of secure embedded and application software within defence programmes. You will influence projects across the full software lifecycle, from requirements and design through testing and deployment, ensuring performance, security, and reliability while mentoring junior engineers.

This senior role combines hands-on development with technical leadership, working in a highly regulated environment and