Check Team Leader
Posted 11 days 5 hours ago by iO Associates
Permanent
Full Time
Other
England, United Kingdom
Job Description
Overview 
CHECK Team Leader - Up to £80,000 (Remote with occasional travel to client sites)
We're seeking a certified CHECK Team Leader to lead high-impact security testing across enterprise and cloud environments. This is a key role for an experienced professional ready to take ownership of critical engagements and mentor junior testers.
Key Responsibilities- Lead infrastructure and cloud penetration tests (AWS, Azure, AD, Kubernetes).
- Mentor and support junior team members.
- Deliver clear, risk-focused technical reports.
- Support red teaming, adversary emulation, and R&D activities.
- Contribute to tooling and service development.
- CHECK Team Leader certification (CTL-INF - Cyber Scheme or CREST).
- 2+ years as a CTL and 3+ years of penetration testing experience.
- Strong knowledge of Active Directory, infrastructure, and cloud security.
- Proficiency with tools like Burp Suite, Nmap, Metasploit, and Impacket.
- Excellent written and verbal communication skills.
- Certifications: OSCP, OSEP, CRTO.
- Scripting with Python, Bash, or PowerShell.
- Experience in red or purple teaming.
- UK residency for the past 5 years.
- Must be Eligible for SC/DV clearance.
- Full UK driving licence.
- Willingness to travel for client engagements within the UK.
A fantastic opportunity for a skilled penetration tester to step into a senior leadership role. Apply now to help defend the UK's critical systems.