> Markdown version of [/jobs/ext/2234920-penetration-tester-offensive-security-engineer](https://www.wearedevelopers.com/jobs/ext/2234920-penetration-tester-offensive-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Penetration Tester: Offensive Security Engineer - **Company:** Tesco PLC - **Location:** Welwyn Garden City, UK - **Contract:** Permanent contract - **Skills:** Software System Penetration Testing, Cyber Security - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815172025-penetration-tester-offensive-security-engineer ## About the Role A leading retail company in the UK is seeking a Cyber Security Specialist to enhance its penetration testing capabilities. In this role, you will perform security assessments on applications and infrastructure, utilizing internal knowledge to address vulnerabilities effectively. Ideal candidates will have penetration testing experience and strong analytical skills, along with relevant certifications. The position offers a supportive environment for continuous learning and collaboration, emphasizing security innovation. #J-18808-Ljbffr ## Description A leading retail company in the UK is seeking a Cyber Security Specialist to enhance its penetration testing capabilities. In this role, you will perform security assessments on applications and infrastructure, utilizing internal knowledge to address vulnerabilities effectively. Ideal candidates will have penetration testing experience and strong analytical skills, along with relevant certifications. The position offers a supportive environment for continuous learning and collaboration, emphasizing security innovation. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Hacking Kubernetes: Live Demo Marathon](https://www.wearedevelopers.com/videos/488-hacking-kubernetes-live-demo-marathon) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [It's a (testing) trap! - Common testing pitfalls and how to solve them](https://www.wearedevelopers.com/videos/1193-it-s-a-testing-trap-common-testing-pitfalls-and-how-to-solve-them) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks)