Lead Security Engineer

Job description

Lead Security Engineer World of Books Group "This is a role for someone who wants to shape rather than maintain." - UK-based | Remote / Hybrid - World of Books Group • Permanent, Full-time The Opportunity: World of Books Group is a certified B Corp and one of the world's largest sellers of pre-loved books, operating across the UK, US, and Hungary. Our technology estate spans cloud platforms, e-commerce marketplaces, in-house engineering, and a broad SaaS footprint — and we're looking for the person who will make it safer. As Lead Security Engineer, you'll design, build, and operate the controls that underpin our cyber resilience programme. You'll report directly to the Group Information Security Manager and work with real autonomy — shaping the roadmap, choosing the tools, and driving the engineering work that moves our security maturity forward. This is a genuinely hands-on role. You'll treat AI and automation as force multipliers, influence across IT, Engineering, Product, and Finance without holding formal authority, and leave decisions documented in a way that outlasts individuals. What You'll Focus On: Your initial priorities will be: Your wider remit will grow to include dete...