Head of Security Engineering – Application Security & Security Testing

Tesco Technology’s Security Engineering function is responsible for proactively identifying and mitigating risks across our technology estate. As Head of Security Engineering – Application Security & Testing, you will lead a multi-disciplinary function that spans vulnerability management, application security engineering, and adversarial testing. You will be accountable for delivering full-stack security assurance—from code to infrastructure—through a blend of engineering innovation and operational excellence.

Leadership & Team Management

• Lead three Security Engineering Managers and their teams (approx. 20+ engineers), plus a Principal Security Engineer/Architect.
• Foster collaboration across teams focused on:
• External attack surface management and bug bounty operations.
• Application security engineering (SAST, SCA, GenAI solutions, ASPM, threat mod...