Check Team Lead

Job Title: Check Team Lead

Reporting to: Technical Director

Location: Home Based | Travel to client’s sites required (United Kingdom)

Department/Division: Cyber Solutions

The Opportunity CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. This is more than just a job, we’re looking for individuals with a hacker’s mindset, deep technical expertise, and a relentless drive to secure the UK's most critical assets.

You will be leading engagements across secure environments, delivering high-impact assessments, mentoring team members, and shaping the offensive security direction of the business. In return, we offer a highly supportive environment with structured mentoring, paid training days, and access to advanced tooling.

**What We Offer**

Support for continuous professional development through certifications, workshops, and more, tailored to your individual career goals.

**The Challenge Ahead**

We're looking for professionals who are ready to contribute to our mission with their expertise, aligning with our values and professional standards. Holding or being eligible for SC / DV clearance as required by the NCSC scheme is essential for this role.

If you're ready to take on this challenge and contribute to safeguarding the UK's critical infrastructure, come show us what you can do, we'd love to hear from you.

**Main Duties & Responsibilities**:Other duties may be assigned.

CCL Solutions Group are more than just a leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK.

As a Senior Penetration Tester within CCL Solutions Group, your key responsibilities will be:

- Lead and deliver end-to-end penetration testing engagements across infrastructure and cloud environments.
- Manage and mentor junior CHECK team members, supporting their development and quality of delivery.
- Produce comprehensive, high-quality reports that identify risks, remediation strategies, and technical impact.
- Support red team simulations, infrastructure reviews, and adversary emulation where required.
- Contribute to internal R&D, tooling improvements, and the development of our offensive security services.
- Scope penetration tests accurately, ensuring compliance with relevant legislation and standards.
- Work autonomously and under direction, delivering accurate technical results in accordance with the scope and test plan.
- Perform a broad range of complex penetration tests that demonstrate an analytical and systematic approach.
- Communicate penetration test results to both technical and non-technical audiences, facilitating collaboration between stakeholders where necessary.
- Influence peers and customers by delivering presentations, papers, and reports.
- Have a good understanding of technology and actively maintain awareness of developments in the penetration testing and information security fields.
- Participate in technical and/or professional development activities beyond own team, sharing knowledge with colleagues to improve the security testing service.
- Work closely with the Technical Director of Cyber Security Testing and input into growing existing and developing new service lines.

**Essential Skill Set & Experience**:
To perform this role successfully, an individual must be able to perform each essential duty satisfactorily.

The requirements listed are representative of the knowledge, skill, and/or ability required.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
- This role requires a senior and mature person who can demonstrate leadership, honesty and integrity and who expects high standards.

Please understand this is not an entry level role it is essential that you have:
- CHECK Team Leader certification (Cyber Scheme Team Leader - INF or CREST CCT-INF).
- Minimum of 2 years delivering CHECK engagements as a CTL.
- At least 3 years of hands-on penetration testing experience in enterprise environments.
- Deep understanding of infrastructure testing, Active Directory security, and cloud technologies (AWS, Azure, Kubernetes).
- Strong familiarity with tools such as Nmap, Burp Suite, Metasploit, Impacket, and SMBClient.
- Able to articulate technical findings to both technical and non-technical audiences in written and verbal formats.
- UK Government Clearance to SC level as a minimum.
- Experience of scoping projects and writing proposals.
- Ability to manage larger projects and oversee them from a technical perspective.
- Flexibility and willingness to work additional hours / out of hours as may be required.
- Have strong inter-personal skills, especially in handling contacts of all types and at all levels.
- Maintain detailed knowledge of own area of expertise, including awareness of current