Penetration Tester

Big Red Recruitment
📍 slough, slough, United-Kingdom 💼 Full-time 🕒 Posted June 29, 2026

Job Description

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 - £45,000-£55,000 + BENEFITS

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Job Details

  • Location slough, slough
  • Job Type Full-time
  • Category Other-General
  • Posted Date June 29, 2026
  • Application Deadline August 08, 2026