Senior Penetration Tester - Web, Network & Mobile Security

  • 3761 Barclays - BX - UK
  • Knutsford, Cheshire
  • 18/07/2026
Full time Information Technology Telecommunications Testing Cyber Security

Job Description

Barclays in the United Kingdom seeks an experienced cyber security professional to identify vulnerabilities through penetration testing of web, network, and mobile environments. You will develop assessments, perform threat modeling, and communicate key findings to senior stakeholders from IT and business units.

Based in Knutsford or Manchester, the role requires CREST or equivalent, strong report-writing and ability to influence security decisions, and a proactive approach to emerging attack