https://jobs.co.uk/job/penetration-tester-big-red-recruitment--6e3388ce-6ad6-4e65-b276-45604c5651bf RSS feed for Penetration Tester at Big Red Recruitment. en-gb Thu, 18 Jun 2026 16:29:08 GMT https://jobs.co.uk/job/penetration-tester-big-red-recruitment--6e3388ce-6ad6-4e65-b276-45604c5651bf https://jobs.co.uk/job/penetration-tester-big-red-recruitment--6e3388ce-6ad6-4e65-b276-45604c5651bf Thu, 18 Jun 2026 11:52:03 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 TESTERLOCATION - LONDON (OCCASIONAL ON-SIRE WORK)SALARY - £45,000-£55,000 + BENEFITSKey ResponsibilitiesConduct vulnerability assessments and penetration testing engagements across: Internal infrastructureExternal infrastructureWeb applicationsNetworks and systemsPerform configuration and build reviews using recognised security frameworks and benchmarks.Produce clear, concise and ac... Permanent