Penetration Tester jobs in United Kingdom

Are you an aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities - working alongside seasoned professionals while sharpening your offensive security skills.

Expect to contribute to hands‑on pen testing engagements, conduct vulnerability assessments, and support threat hunting within a well‑established SOC. You'll develop your skills using industry‑standard tools, investigate incidents, and provide actionable remediation advice.

Junior Penetration Tester
Location: London / Hybrid
Salary: £30,000 - £50,000 (DOE)

• 6+ months of proven penetration or security testing experience
• Knowledge of Metasploit, Burp Suite, and vulnerability scanning tools
• Experience with Windows, Linux and Mac operating systems
• Interest in threat hunting, incident response, and security monitoring
• CRT / OSCP / Cyber Scheme training or aspirations to achieve them
• Eligibility for UK Security Clearance

If you're looking to build a long‑term cyber career and be part of a collaborative security team on real‑world projects from day one, click apply - interview slots are available.

We are an equal opportunity recruitment company. This means we welcome applications from all suitably qualified people regardless of race, sex, disability, religion, sexual orientation or age.

We are particularly invested in Neurodiversity inclusion and offer reasonable adjustments in the interview process. Reasonable adjustments are changes that we can make in the interview process if your disability puts you at a disadvantage compared with others who are not disabled. If you would benefit from a reasonable adjustment in your interview process, please call or email one of our recruiters.