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Head of Security Engineering - Security Testing & Application Security

Head of Security Engineering - Security Testing & Application Security

Hybrid

Welwyn garden city, United kingdom

Full Time

30-10-2025

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Skills

Communication Leadership Penetration Testing Test

Job Specifications

Now Hiring: Head of Security Engineering – Application Security & Testing

Location: Welwyn Garden City or London, UK

Are you ready to lead the charge in securing one of the UK’s largest technology estates? Tesco Technology is looking for a visionary Head of Security Engineering – Application Security & Testing to join our dynamic Cyber function.

This is a high-impact leadership role where you’ll shape the future of security assurance across our platforms and products. You’ll lead a talented team of engineers and architects, driving innovation in vulnerability management, application security, and adversarial testing. This is a pivotal cyber leadership role within Tesco Technology, shaping how we secure our platforms and products. You’ll be at the forefront of driving innovation in security engineering, ensuring Tesco remains resilient against evolving threats while enabling safe and secure technology delivery.

What You’ll Be Doing:

Lead & Inspire: Manage three Security Engineering Managers and their teams (20+ engineers), plus a Principal Security Engineer/Architect.
Drive Innovation: Oversee cutting-edge security solutions including SAST, SCA, ASPM, GenAI, and threat modelling.
Test & Assure: Build and evolve our penetration testing and red/purple team capabilities.
Strategic Execution: Deliver on Tesco’s Tech Excellence programme, translating strategy into action.
Collaborate & Influence: Partner with senior stakeholders across Tesco Technology to embed security into everything we do.

What You’ll Bring:

Proven leadership in large-scale security engineering environments.
Deep technical expertise in application security, vulnerability management, and adversarial testing.
Experience with modern security tooling and secure development practices.
Strong communication and stakeholder engagement skills.
A strategic mindset with hands-on execution ability.

Why Join Us?

This is more than a job—it’s a chance to shape how Tesco protects its technology and customers. You’ll be at the forefront of security innovation, working with brilliant minds in a collaborative, forward-thinking environment.

Ready to make a difference?

Apply now and help us build a safer future.

About the Company

One of the world’s largest retailers of consumer goods from food to fashion. Serving our customers, communities and planet a little better every day in our stores and online is at the heart of everything we do. Founded in 1919 by Jack Cohen using the £30 he received on leaving the Royal Flying Corp, we’ve come a long way from his small market stall in East London. Today over 400,000 colleagues work across our stores, office, distribution and customer engagement centres in the UK, Europe and Asia. Share our passion for th... Know more