Penetration Tester | CHECK Team Member

If you enjoy understanding how systems fail and using that knowledge to make organisations more secure, this role will interest you.

Our client is an established cyber security consultancy, trusted to deliver high-quality offensive security testing to a wide range of organisations. They are expanding their Offensive Security Testing team and are looking for a CTM-qualified Penetration Tester who wants to work on meaningful, real-world engagements.

Role: Penetration Tester (CTM Required) – Offensive Security
Salary: Up to £60,000
Location: London | Hybrid 

What you’ll be doing

• Delivering penetration tests and vulnerability assessments across networks, infrastructure, and applications
• Supporting and leading testing engagements alongside experienced senior testers
• Producing clear, well-structured reports with practical remediation advice
• Using and developing skills with tools such as Metasploit and Burp Suite
• Keeping up to date with emerging tools, techniques, and attack methods
• Collaborating with consultancy and SOC teams, with opportunities to progress into threat hunting

What you must have

• CHECK Team Member (CTM) status is essential
• At least 6 months of hands-on penetration testing experience
• Strong written and verbal communication skills
• Experience working with networks and Windows, Linux, and macOS environments
• Eligibility for UK Security Clearance
• A proactive mindset and strong team ethic

Desirable experience

• Web and mobile application testing
• Cloud technologies including M365, Azure, and Sentinel
• IoT and SCADA environments
• SOC or security operations exposure
• OSCP, CRT, Cyber Scheme, or Cyber Essentials Plus Lead Assessor

The role

• Occasional out-of-hours work based on client requirements
• Periodic travel to client sites and support for SOC activities

If you are CTM-qualified and want to develop your career within a cyber security consultancy that values high-quality offensive security, this role offers genuine challenge and progression.