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Permanent

Penetration Tester

Big Red Recruitment
London
money-bag £10000 - £500000 Annual
Posted: 18 June 2026 (Today)
Closing date: 18 July 2026
Ref: 3124202712

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 actionable technical reports detailing findings, risk ratings and remediation recommendations.Utilise industry-standard security testing tools including Burp Suite, Nessus, Metasploit, Nmap, Wireshark and related technologies.Work directly with clients and stakeholders, presenting findings and ..... full job details .....

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