Head of Security Engineering

Tesco Technology’s Security Engineering
function is responsible for proactively identifying and mitigating risks across
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
at the forefront of driving innovation in security engineering, ensuring Tesco
Key Responsibilities Leadership & Team Management
Lead three Security Engineering Managers and their teams (approx. 20+ engineers), plus a Principal Security Engineer/Architect.
External attack surface management and bug bounty operations.
Application security engineering (SAST, SCA, GenAI solutions, ASPM, threat modelling).
Penetration testing and adversarial simulation (red/purple team strategy).
Develop talent, coach leaders, and build succession plans for long-term capability growth.
Security Engineering & Testing
Oversee the design, deployment, and operation of tools and solutions that identify vulnerabilities across the full stack—code, applications, infrastructure, packages, and external assets.
Ensure robust security testing capabilities are in place to support business projects and strategic initiatives.
Drive continuous improvement in testing methodologies, coverage, and automation.
Monitor delivery progress, operational metrics, and team performance.
Ensure alignment with broader security and technology objectives.
Work closely with peers including the Heads of Security Partnerships, Cyber Defence, and Platform Security Architecture.
Partner with Product and Programme teams to embed security into delivery pipelines.
Proven experience leading large-scale security engineering functions.
Deep technical expertise in vulnerability management, application security, and adversarial testing.
Strong understanding of secure development practices and modern engineering tooling.
Experience with ASPM platforms, threat modelling, and GenAI-driven security solutions.
Familiarity with operational metrics and performance tracking.
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Annual bonus scheme of up to 45% of base salary 
~ Car allowance of £7,320 per annum 
~ Holiday starting at 25 days plus a personal day (plus Bank holidays) 
~ Private medical insurance 
~ Retirement savings plan - save between 6% - 10% and Tesco will contribute 1.5 times this amount 
~26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave 


Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet. 

 
At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here. 

 
We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco.