Join a dedicated Cyber Security specialist team — it’s all they do, and they do it exceptionally well. If you’re ready to take charge of a world-class offensive security function and help shape the future of cyber assurance — this is your next move. We’re now looking for an experienced CHECK Team Leader (Infrastructure) to take a lead role within our Offensive Security Testing function — guiding technical excellence, maintaining accreditation standards, and shaping next-generation assurance services.
What You’ll Do
* Lead and deliver NCSC-accredited CHECK and CREST testing services.
* Own and refine technical methodologies, processes, and compliance standards.
* Act as a key liaison with NCSC and accreditation bodies to ensure ongoing scheme success.
* Mentor and develop penetration testers towards CTM and CTL qualifications.
* Oversee complex penetration testing engagements across enterprise, cloud, and hybrid infrastructures.
* Support the development of advanced testing capabilities, including Red Teaming, Purple Teaming, and Threat Intelligence‑led assurance (CBEST, TIBER‑EU).
* Collaborate with senior leadership to enhance service offerings and strengthen client relationships.
Role: CHECK Team Leader
Salary: Up to £100,000
Location: London / Hybrid
What You’ll Bring
* Current NCSC CHECK Team Leader (Infrastructure) accreditation.
* A minimum of 5 years’ experience in penetration testing or technical assurance.
* Strong technical knowledge across:
o Network and infrastructure security
o Windows and Linux administration
o Cloud platforms (AWS, Azure, GCP)
o Enterprise security controls and common misconfigurations
* Excellent communication and leadership skills, with the ability to engage technical and non‑technical stakeholders alike.
Desirable extras
experience in Red Team or Threat Intelligence‑led engagements (CBEST, TIBER), certifications such as CREST CCT INF, OSCP, OSCE, CRTO, CRTE, or GIAC GPEN/GXPN, and experience contributing to company‑level accreditations or training initiatives.
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