Penetration Tester - CHECK Team Member

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Penetration Tester - CHECK Team Member

Salary: Up to £80,000

Location: UK-wide

Working pattern: Hybrid, predominantly home-based with UK client-site travel when required

Security requirements: Current SC clearance and sole UK nationality

Are you a hands-on Penetration Tester who enjoys finding the weaknesses others miss-and explaining them in a way clients can actually understand?

We're looking for an experienced CHECK Team Member to join a well-established cybersecurity practice delivering technical assurance services to a varied portfolio of clients. You'll test applications, networks and infrastructure, combining manual techniques with industry-standard tools to uncover genuine security risks.

This isn't just about running scans and producing a list of vulnerabilities. You'll investigate findings, demonstrate their real-world impact and provide practical recommendations that help clients strengthen their security.

What you'll be doing

• Delivering penetration tests, security assessments and IT Health Checks
• Testing web applications, networks and wider IT infrastructure
• Using manual and automated techniques to simulate real-world attacks
• Producing clear technical reports, executive summaries, scopes and proposals
• Explaining findings to both technical and non-technical stakeholders
• Providing practical, risk-based remediation advice
• Keeping pace with emerging threats, vulnerabilities and testing methodologies
• Sharing knowledge and contributing to the development of the wider team
• Travelling to client sites across the UK when required

What we're looking for

• At least three years' commercial penetration-testing xwwtmva experience
• Current CHECK Team Member status
• Current SC clearance
• Sole UK nationality
• Strong hands-on experience with tools such as Burp Suite, Metasploit and Nmap
• Good knowledge of Windows and Linux/Unix operating systems
• Experience with network devices, firewalls, IDS/IPS and wireless technologies
• Understanding of standards and regulations such as ISO 27001, PCI DSS and GDPR
• Strong report-writing and client communic
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