Penetration Tester in London

Penetration Tester in London

London Full-Time On-site
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Penetration Tester

6–Month Contract Outside IR35 GBP500–550pd Remote (UK)

We're working with a leading global retail organisation seeking an experienced Penetration Tester to support a growing portfolio of security projects across network, infrastructure and telecommunications environments.

This is a highly client–facing role where you'll own the full penetration testing lifecycle, from planning and execution through to reporting and presenting findings and recommendations to stakeholders.

Key Responsibilities

  • Conduct infrastructure and network penetration tests
  • Assess network architecture and security controls
  • Identify vulnerabilities and provide remediation recommendations
  • Produce high–quality technical reports
  • Present findings directly to clients and stakeholders
  • Manage engagements independently from start to finish

Requirements

  • 5+ years' penetration testing experience
  • Strong infrastructure and network security testing background
  • Experience delivering end–to–end testing engagements independently
  • Excellent client–facing and stakeholder management skills
  • Ability to communicate technical findings to both technical and non–technical audiences

Desirable

  • Operational Technology (OT) security exposure
  • Experience within retail, manufacturing, or telecommunications environments
  • OSCP, CREST, CHECK, or similar certifications

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Penetration Tester in London employer: Harnham - Data & Analytics Recruitment

Join a forward-thinking SaaS organisation in London, where you'll not only lead the Data Engineering function but also play a pivotal role in shaping the future of AI and data solutions. With a strong emphasis on innovation, employee development, and a collaborative work culture, this company offers clear progression opportunities and the chance to work on impactful projects that drive commercial success. Enjoy a supportive environment that values your expertise while you tackle exciting technical challenges and contribute to the growth of a rapidly expanding business.

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Contact Details:

Harnham - Data & Analytics Recruitment Recruitment Team