4 of 4 Permanent CHECK Team Leader Jobs in the UK excluding London

delivering infrastructure pentests end-to-end Excellent communication skills, including producing business-focused reporting Preferred Qualifications CHECK Team Member (CSTM) or CHECK Team Leader (CTL) CREST CRT/CCT , OSCP, OSEP, or equivalent recognised industry certifications Experience in cloud infrastructure testing (Azure/AWS), desirable but not essential SC or DV clearance beneficial (or eligibility … obtain it) What We Offer Salary up to £80,000 depending on experience + performance bonus Strong personal development support - certifications funded and continuous training Defined career progression into CTL or Red Team positions Hybrid working with London as the preferred base More ❯

Job Title: Red Team Specialist Location: London (Hybrid/On-site preferred) Salary: Up to £90,000 + Benefits + Bonus Employment Type: Permanent Overview We are seeking a highly skilled Red Team Specialist to join our clients security function. You will lead and execute offensive security operations, simulating real-world adversaries to identify weaknesses in our organisation … an individual with deep technical expertise, strong threat-emulation experience, and the ability to translate complex findings into actionable security improvements. Key Responsibilities Plan, execute, and report on red team engagements including full-scope attack simulations Perform targeted adversary emulation across network, application, cloud, and physical domains Develop exploit chains and bypass advanced detection and security controls Collaborate with … the Blue Team to support a purple team approach, improving detection capabilities Identify vulnerabilities within people, process, and technology to strengthen resilience Produce high-quality reports with clear business and risk-aligned recommendations Conduct ongoing research into emerging attacker TTPs, threat actors, and exploit techniques Mentor junior team members and contribute to tooling, methodology, and lab development More ❯

year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. Hands-on experience across infrastructure, networking, and external … testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial phase focused on network testing, with further phases … looks like a good fit. From there I’ll be in touch to discuss the opportunity in more detail. Network Security/Penetration Testing/CREST/CSTL/CTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London More ❯

year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. Hands-on experience across infrastructure, networking, and external … testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial phase focused on network testing, with further phases … looks like a good fit. From there I’ll be in touch to discuss the opportunity in more detail. Network Security/Penetration Testing/CREST/CSTL/CTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London More ❯