Senior Security Engineer – Defence Systems

Company: Leonardo SpA
Apply for the Senior Security Engineer – Defence Systems
Location: Southampton
Job Description:

Leonardo UK is seeking a Principal Security Engineer to secure defence systems across the product lifecycle, working with engineering specialists to embed security in design and drive resilient solutions for national security.

You will define security requirements, perform risk analyses and remediation plans, and collaborate with Product Cyber Resilience Managers to strengthen assurance. Hybrid working in Southampton with a competitive benefits package.

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Posted: October 22nd, 2026