Product Security Engineer

We're recruiting on behalf of an established technology company delivering complex, safety- and mission-critical systems into both commercial and public sectors. This is a role with genuine ownership: you'll lead product security for the system across its full lifecycle, from design through development, integration and into service. You'll develop and maintain the security case, produce risk assessments and assurance artefacts, run threat modelling and vulnerability assessments, and work directly with the end customer, systems engineers and external assessors to keep security embedded in design rather than bolted on afterwards. Your work will be visible at programme level, not buried three layers down in a security function. You'll likely have experience in product security, security assurance or accreditation for complex or safety-critical systems, and you'll be comfortable applying secure by design principles, producing security documentation to a recognised framework, and defending it in front of an assessor. An engineering-leaning background rather than pure enterprise IT. You'll need to be eligible for UK security clearance. Why this role:

• Ownership, not a cog, you're the product security authority on the system, with direct access to the customer and real influence over design decisions
• Career development, support for professional certifications and chartership progression, with a route into senior security architecture
• Genuine flexibility, hybrid working that's actually honoured
• Package, competitive salary, strong pension, private healthcare and enhanced leave