Penetration Tester at Harnham - Data & Analytics Recruitment, London, £500-£550 per day

6-Month Contract | Outside IR35 | £500-550pd | 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.

• 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

• 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

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