Penetration Tester

PENETRATION TESTER REMOTE (OCCASIONAL TRAVEL TO OFFICE IN BATTERSEA)OUTSIDE IR35 £500 TO £550 PER DAY DECEMBER STARTThis is an opportunity to join a growing in-house cyber security function that is continuing to expand its penetration testing capability across multiple business units. You'll take ownership of end-to-end testing engagements, working independently while helping shape the future direction of a mature and evolving security programme.The Company They are a large international organisation with a diverse portfolio of consumer-focused businesses operating across multiple regions. Over recent years, they have invested significantly in building internal cyber security capabilities, creating a consultancy-style function that supports a broad range of technology environments. Their security team works closely with stakeholders across Europe and Asia, delivering high-quality testing and security assurance services.The Role and Deliverables

  • Lead and deliver end-to-end infrastructure and network penetration testing engagements.
  • Perform in-depth assessments of enterprise network architectures and identify security weaknesses beyond standard vulnerability scanning.
  • Conduct security testing across network boundaries and complex infrastructure environments.
  • Engage directly with stakeholders to scope testing activities and communicate findings.
  • Produce clear technical reports and present remediation recommendations to both technical and non-technical audiences.
  • Contribute to the ongoing development and maturity of the internal security testing capability.

Your Skills & Experience

  • Strong experience delivering infrastructure and network penetration testing engagements.
  • Proven capability in assessing complex network architectures and identifying exploitable weaknesses.
  • Experience managing the full penetration testing lifecycle independently, from scoping through to reporting.
  • Ability to communicate technical findings and recommendations clearly to a range of stakeholders.
  • Strong client-facing and report-writing skills.
  • Experience working across large, complex environments with multiple stakeholders.
  • Exposure to Operational Technology (OT) security testing would be advantageous.
  • Experience within telecommunications, retail, critical infrastructure, or similarly complex environments would be beneficial.
  • Comfortable collaborating with international teams across different regions and time zones.

How to Apply If you have strong infrastructure and network penetration testing experience and are looking for a contract opportunity where you can take ownership of testing engagements while contributing to a growing security function, apply today.

Job Details

Company
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
Posted