Stratford-upon-avon, Warwickshire, United Kingdom Hybrid / WFH Options
Ccl Solutions Group
Summary: CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECKTeamLeader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary 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. 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 More ❯
technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance. You may have worked as a CHECKTeamLeader, led adversary simulation … day a week on-site in either Cheltenham or London. Main Responsibilities: Reviewing and sampling technical reports to ensure they meet internal and external quality standards. Coaching and mentoring team leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Meritus Talent
technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance. You may have worked as a CHECKTeamLeader, led adversary simulation … day a week on-site in either Cheltenham or London. Main Responsibilities: Reviewing and sampling technical reports to ensure they meet internal and external quality standards. Coaching and mentoring team leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Yolk Recruitment
technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who's not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance. You may have worked as a CHECKTeamLeader, led adversary simulation … day a week on-site in either Cheltenham or London. Main Responsibilities: Reviewing and sampling technical reports to ensure they meet internal and external quality standards. Coaching and mentoring team leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience More ❯
We're Hiring: CHECKTeam Lead (Security Cleared) At What’s Exposed, we are a team of cybersecurity experts dedicated to empowering businesses and IT service providers with cutting-edge solutions to protect against ever-evolving digital threats. We are currently seeking a CHECKTeam Lead to join us in a flexible capacity either as … a permanent team member or a contractor leading the delivery of high-assurance penetration testing services in line with NCSC CHECK and CREST standards. Position Overview As a CHECKTeam Lead, you will take responsibility for scoping, delivering, and reporting on complex penetration testing engagements, while ensuring compliance with NCSC’s CHECK requirements. You will … advisor to clients, helping them understand and reduce risk effectively Ensure all activity complies with CHECK and CREST accreditation requirements Essential Requirements CHECKTeamLeader (CTL) status with a UK Cyber Security Council (UK CSC) Professional Title in Security Testing at ‘Principal’ level or above Eligible to attain SC (Security Check) clearance Demonstrated track record More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Nomios
continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach by Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and … fostering team development,be joining a company that prioritizes both your growth and the safety of our clients. We're in an exciting phase of expansion and are looking for self-motivated individuals ready to thrive in a fun, flexible environment. At Dionach by Nomios, your contributions will have a genuine impact on the business, and you'll find … our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Meritus
technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who’s not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance. You may have worked as a CHECKTeamLeader, led adversary simulation … day a week on-site in either Cheltenham or London. Main Responsibilities: Reviewing and sampling technical reports to ensure they meet internal and external quality standards. Coaching and mentoring team leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Meritus
technical quality assurance to join a high-impact project within the UK cyber security space. This role is ideal for someone who’s not only delivered high-end red team engagements but has also overseen the work of others and provided expert-level guidance. You may have worked as a CHECKTeamLeader, led adversary simulation … day a week on-site in either Cheltenham or London. Main Responsibilities: Reviewing and sampling technical reports to ensure they meet internal and external quality standards. Coaching and mentoring team leads, particularly those working independently without peer support. Advising the wider project team on best practices in red teaming and adversary simulation. Skills Required: Solid hands-on experience More ❯
Cheltenham, Gloucestershire, England, United Kingdom Hybrid / WFH Options
Sanderson
Role: CHECKTeamLeader Location: Cheltenham (Hybrid - 3-4 days/week onsite) Salary: £65k - £100k DOEClearance: SC/DV cleared or eligible for clearance Role details: We are working with a global cyber security consultancy who are a trusted advisory to 15,000 clients worldwide. They assess, develop and manage cyber threats for a variety of … customers including governments and critical national infrastructure providers. They are looking for a CHECKTeamLeader to provide … structured programmes of security testing, consultancy and research, as well as delivery of reports to key clients. Essential Requirements: Current CHECKTeamLeader status with either CTL-WEB, CTL-INF (or both) Experience of working both solely and as part of a team. Knowledge of cyber security principles Writing clear and accurate technical documentation Benefits: Flexible working More ❯
its inception, the company has grown to employ elite technical experts who have contributed to some of the world's largest technology and digital security projects. The NCSC-approved CHECK company specializes in penetration testing and security assessment services under the government-accredited CHECK scheme. They are currently seeking for a skilled Penetration Tester to join the growing … to identify issues within customer infrastructure and web applications. Perform various types of security testing, including network penetration, web application, mobile security assessments, and social engineering. Participate in red team engagements, employing creative strategies to outsmart defenders. Explore various approaches to gain unauthorized access to customer networks during red team exercises. Perform security assessments in accordance with the … in penetration testing and/or security surveillance. Exhibits eagerness to absorb new knowledge and technologies. Programming Exposure A relevant Cyber Security certification is advantageous, e.g. (OSCP, CRT, CTM, CTL) Showcases stellar communication skills. Benefits: Paid Certifications Health Insurance Pension Paid Certifications Salary More ❯
Salisbury, Wiltshire, South West, United Kingdom Hybrid / WFH Options
Anson Mccade
legacy systems and navigate environments with tech debt Desirable skills & qualifications: • Python scripting or coding skills (advantageous) • Exposure to OT networks and internal infrastructure tooling • Relevant certifications - CREST (CTM, CTL, CSTM), Cyber Scheme Practitioner, OSCP Work Environment & Expectations: • Join a tight-knit, high-performing team • Hybrid model: ~2 days per week in client or office locations, majority remote • Primary More ❯
London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson McCade
London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. More ❯
London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you're an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. Reference: AMC/ More ❯
with clients to define project scopes, objectives, and expectations, including conducting pre-engagement meetings to understand their environments and threat landscapes. Offer technical leadership by guiding and mentoring junior team members while reviewing and validating their work to ensure quality and accuracy. Develop detailed reports on penetration test results, vulnerabilities, attack paths, and recommended remediations, and present findings to … findings to enhance their security and build trust. Skills/Must have: 3 years experience in penetration testing, ethical hacking, and security assessments. Industry-recognised certifications (e.g., CSTM, CRT, CTL, OSCP). Proficient in advanced tools and techniques for penetration testing. Strong leadership skills with a passion for mentoring junior team members. Excellent communication and presentation skills. In-depth More ❯
scope, figure it out, and adapt when things inevitably go sideways. Coding skills - Not essential, but if you can sling some Python around, it’ll help. Certs - OSCE, OSCE, CTL, CTM would be nice. But if you don’t have it and you know your stuff, that’s fine too. Consultancy experience - Again, preferred. If you’ve worked client-side … before, you’ll get the vibe. Location: The team’s largely remote as it stands. Occasionally, you’ll need to rock up to a client site - so don’t apply if you plan on never leaving the house. Level: They’re open to solid testers up to Principal level. But don’t expect a slow ramp-up - they need More ❯
City of London, Greater London, UK Hybrid / WFH Options
Investigo
scope, figure it out, and adapt when things inevitably go sideways. Coding skills - Not essential, but if you can sling some Python around, it’ll help. Certs - OSCE, OSCE, CTL, CTM would be nice. But if you don’t have it and you know your stuff, that’s fine too. Consultancy experience - Again, preferred. If you’ve worked client-side … before, you’ll get the vibe. Location: The team’s largely remote as it stands. Occasionally, you’ll need to rock up to a client site - so don’t apply if you plan on never leaving the house. Level: They’re open to solid testers up to Principal level. But don’t expect a slow ramp-up - they need More ❯