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# Advanced Penetration Tester - Web, Mobile & Red Team

- **Company:** Claranet Limited
- **Location:** Leeds, UK
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), C Sharp (Programming Language), C++ (Programming Language), Computer Programming, Perl (Programming Language), Mobile Application Software, Python (Programming Language), Red Team (Cyber Security), Ruby
- **Published:** August 26, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815168801-advanced-penetration-tester-web-mobile--red-team

## About the Role

Travel for onsite engagements may be required. Strong scripting (Python/Ruby/Perl) and programming (C/C++, C#, Java) skills are expected, along with excellent communication and
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## Description

Claranet in Leeds is seeking a Penetration Tester to deliver web and mobile application tests, assess infrastructure, and contribute to security engagements for clients. You will work on consultancy, red team exercises and write detailed reports, with opportunity to pursue CREST CPSA/CRT/CCT and other certifications.

Travel for onsite engagements may be required. Strong scripting (Python/Ruby/Perl) and programming (C/C++, C#, Java) skills are expected, along with excellent communication and


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