https://jobs.co.uk/job/penetration-tester-big-red-recruitment--7a3bc68f-ce08-41d7-bfad-b11965fdf513 RSS feed for Penetration Tester at Big Red Recruitment. en-gb Sun, 30 Aug 2026 08:12:14 GMT https://jobs.co.uk/job/penetration-tester-big-red-recruitment--7a3bc68f-ce08-41d7-bfad-b11965fdf513 https://jobs.co.uk/job/penetration-tester-big-red-recruitment--7a3bc68f-ce08-41d7-bfad-b11965fdf513 Sat, 29 Aug 2026 11:52:40 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | We are seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across areas such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies. The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent opportunities for professional development, certification support and future progression into senior or leadership positions. JOB ROLE - PENETRATION TESTER LOCATION - LONDON (OCCASIONAL ON-SITE WORK) SALARY - £40,000-£45,000 + BENEFITS Key Responsibilities Conduct vulnerability assessments and penetration testing engagements across: Internal infrastructure External infrastructure Web applications Networks and systems Perform configuration and build reviews using recognised security frameworks and benchmarks. Produce clear,... Permanent