CHECK Team Lead

iO Associates - UK/EU; England; Remote; GBP 60,000 - 80,000; Full time

Job summary

A leading company is seeking a CHECK Team Leader to oversee high-impact security testing across enterprise and cloud environments. This role involves mentoring junior testers, leading penetration tests, and contributing to tooling development, offering an exciting opportunity for experienced professionals.

Qualifications

• 2+ years as a CHECK Team Leader and 3+ years of penetration testing experience.
• Strong knowledge of security in cloud environments (AWS, Azure).
• Proficiency in scripting with Python, Bash, or PowerShell.

Responsibilities

• Lead infrastructure and cloud penetration tests.
• Mentor and support junior team members.
• Deliver clear, risk-focused technical reports.

Skills

Active Directory

Infrastructure Security

Cloud Security

Penetration Testing

Communication

Education

CHECK Team Leader certification

OSCP, OSEP, CRTO (desirable)

Tools

Burp Suite

Nmap

Metasploit

Impacket

Job description

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iO Associates - UK/EU provided pay range

This range is provided by iO Associates - UK/EU. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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Placing Technical Professionals With The Best Companies Across The South - iO Associates - UK/EU

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.

Required Skills & Experience:
* 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.

Desirable:
* Certifications: OSCP, OSEP, CRTO.
* Scripting with Python, Bash, or PowerShell.
* Experience in red or purple teaming.

Other Requirements:
* 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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Technology, Information and Internet

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