Penetration Tester - CHECK Team Member

Salary: £80,000 - 80,000 per year

Requirements:

• At least three years commercial penetration-testing 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 communication skills
• A collaborative approach and willingness to share knowledge
• Flexibility to travel to UK client locations when needed
• Experience testing AI or large language model systems would be useful, but it isnt essential

Responsibilities:

• 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

Technologies:

• AI
• Linux
• Network
• Security
• Unix
• Web
• Windows
• PLC

More:

We are a well-established cybersecurity practice delivering technical assurance services to a varied portfolio of clients. This is a hybrid role, predominantly home-based, with UK client-site travel when required. The salary is up to £80,000. We offer varied technical work, interesting client challenges, and the opportunity to keep developing alongside an experienced security team.

last updated 34 week of 2026