Principal Software Engineer – Defence Cyber (Remote/Hybrid)

Company: Raytheon UK
Apply for the Principal Software Engineer – Defence Cyber (Remote/Hybrid)
Location: Gloucester
Job Description:

Raytheon UK is seeking a Principal Software Engineer for Gloucester or Manchester, UK. This permanent, onsite role requires current eDV clearance and involves designing and building software within a cyber-focused national security environment.

Work with React/TypeScript, Python/Java, REST APIs, cloud services, and container platforms. Collaboration, milestone delivery, and technical leadership are key parts of the role.

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Posted: October 21st, 2026