Penetration Tester CHECK Team Member

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

Our client is an established and growing cyber security consultancy, trusted to deliver high-quality offensive security services across the UK. They are expanding their CHECK capability and investing heavily in building out their Offensive Security practice.

They re looking for a penetration tester who wants to join at a genuine growth stage not just deliver work, but help shape the capability as it scales.
Role: Penetration Tester Offensive Security

Salary: Up to £65,000
Location: London Hybrid

The Opportunity This role offers a 60% / 40% split:

• 60% Cyber Essentials & Cyber Essentials Plus assessments
• 40% Hands-on penetration testing across infrastructure and applications

As the organisation grows its CHECK capability, there is clear progression and accreditation support. If you are already a Cyber Essentials Assessor accredited professional, the business will support you through further CHECK qualifications as the practice expands.
What You ll Be Doing

• Delivering penetration tests and vulnerability assessments across networks, infrastructure, and applications
• Conducting Cyber Essentials and Cyber Essentials Plus assessments
• Supporting and leading testing engagements alongside senior testers
• Producing clear, well-structured reports with practical remediation advice
• Using 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 potential progression into threat hunting

What You Must Have One of the following:

• CHECK Team Member (CTM)
• Cyber Scheme Team Member (CSTM)
• OSCP
• Cyber Essentials Lead Assessor

Plus:

• At least 6 months of hands-on penetration testing experience
• Strong written and verbal communication skills
• Experience 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
• CREST CRT or other relevant certification