Lead Infrastructure & Network Penetration Tester - Remote

Harnham; Greater London; Remote; GBP 92,000 - 101,000; Full time

Job summary

Harnham is seeking a Penetration Tester to work remotely with occasional travel to the Battersea office. You will own end-to-end infrastructure and network penetration engagements, assessing complex architectures and communicating findings to stakeholders across regions.

The role offers a £500–£550 per day rate outside IR35 with a December start. The successful candidate will lead testing programs, produce technical reports, and contribute to maturing the internal security testing capability in

Qualifications

• Experience delivering infrastructure and network penetration testing engagements.
• Ability to scope testing activities and communicate findings to stakeholders.
• Strong report-writing and client-facing communication skills.

Responsibilities

• Lead end-to-end infrastructure and network penetration testing engagements.
• Assess enterprise network architectures and identify weaknesses beyond basic scans.
• Test across complex environments and security boundaries.
• Engage with stakeholders to scope activities and communicate findings.
• Produce clear technical reports and remediation recommendations.

Skills

Infra & Network Pentest

Lifecycle management

Stakeholder communication

Report writing

Client-facing

Team collaboration

Job description

Harnham is seeking a Penetration Tester to work remotely with occasional travel to the Battersea office. You will own end-to-end infrastructure and network penetration engagements, assessing complex architectures and communicating findings to stakeholders across regions.

The role offers a £500–£550 per day rate outside IR35 with a December start. The successful candidate will lead testing programs, produce technical reports, and contribute to maturing the internal security testing capability in