Penetration Tester

Tesco
Full-time welwyn garden city, england IT & Technology
Posted:
June 14, 2026
Location:
welwyn garden city, england, United-Kingdom

Job Description

About the role

We are passionate about step changing our cyber security capability to better protect customers and colleagues across our global business, and we’re building an internal penetration testing function to complement and help further mature our defensive security capabilities. This new role challenges you to use your offensive skills to discover and demonstrate vulnerabilities and weaknesses in our systems. Tesco Technology has hundreds of software and infrastructure engineers deploying solutions at scale using many different technology stacks, from traditional on‑premise infrastructure to cloud‑centric containerised deployments. Working collaboratively with our developers is key to us identifying and addressing these findings, efficiently and at scale across Tesco. You will have the opportunity to help application teams remediate issues, to help infrastructure teams to build better supporting functions and to help improve our detection and response teams by ...

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Job Overview

Job Type: Full-time
Location: welwyn garden city, United-Kingdom
Posted: June 14, 2026
Deadline: July 24, 2026