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Principal Product Security Engineer
Leonardocompany
GB - SouthamptonPosted Oct 14, 2026 · 4h ago
Full-timePrincipalHybridDefense
About this role
Join a collaborative team of experts securing the next generation of defence protection systems. You will embed security throughout the product lifecycle, ensuring resilient, compliant, and threat-resistant solutions. This role offers the opportunity to influence ground-breaking technologies and protect national security.
What we are looking for
6- Define and manage product security requirements and provide expert guidance
- Develop and implement security processes, tools, and protocols
- Produce key security artefacts like Risk Assessments and Threat Analyses
- Drive security assurance activities throughout the full product lifecycle
- Collaborate with security specialists to deliver effective assurance and risk management
- Practical experience with ISO27001/27005 and NIST RMF
