SC Cleared Lead Product Security Engineer - Defence Product Security (Defence) Predominantly onsite in Luton p/w Up to £90 p/h Inside IR35 We are currently recruiting for an experienced security cleared OT/Lead Security Engineer to join a Defence-focused engineering environment, taking responsibility for security across the full product life cycle. This is a hands-on security engineering role, working directly with product development and systems engineering teams to identify security risks, define requirements, implement appropriate controls and deliver the security assurance required for complex Defence products. Active SC Clearance is required, with the role being predominantly onsite in a secure Defence environment. Key Responsibilities Undertake security risk assessments, mitigation planning and gap analysis. Define and manage Product Security requirements across the product life cycle. Produce Security Management Plans, Security Cases, SOPs and wider assurance documentation. Advise engineering teams on secure product design, platform hardening and security controls. Support penetration testing, analyse findings and drive remediation. Liaise with internal and external security assurance authorities, including Defence stakeholders and the NCSC. Manage through-life security including vulnerability, patch and obsolescence management. Support security activities across development, testing and manufacturing. Contribute to Product Security policies, processes and training. ..... full job details .....