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 ❯
Senior Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to … over 30 years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to teamleader or principal tester positions. You would be able to work flexibly, undertaking work at home and … Required qualifications to be successful in this role We would be interested to talk further if you hold any of the following qualifications: - CHECKTeamLeader (CTL) - CHECKTeam Member (CTM) - CREST Certified Simulated Attack Specialist (CCSAS) - CREST Certified Tester (CCT). Sometimes known as CREST Certified Infrastructure Tester (CCT Inf) or CREST Certified Web 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 ❯
an Instil Company), we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a CTL (Infrastructure) to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration tests and vulnerability assessments across … with the latest security threats, vulnerabilities, and trends. Research offensive security techniques to assess and validate infrastructure and technologies, including cloud-based systems continuously incorporating new techniques into the team's methodology. Automate repetitive tasks by developing scripts to streamline testing processes. Mentor junior penetration testers and contribute to their professional development. Play a key role in enhancing existing More ❯
A premier UK consultancy is seeking a skilled and passionate Penetration Tester to join its growing team of cybersecurity experts. This is a dynamic opportunity for individuals with strong technical skills and a proactive mindset, eager to make a tangible impact across a wide range of client environments. Working on mission critical projects across National Security, Critical National Infrastructure … stakeholders Work directly with clients as a trusted advisor – this is a consulting-facing role Operate in sensitive, high-risk environments where mistakes have real consequences Contribute to improving team tooling, processes, and client methodology Be comfortable working autonomously without extensive documentation or runbooks Key Qualifications and Skills: Candidates who meet the following criteria are strongly … encouraged to apply – and even if every box isn’t ticked, applications are welcome, as related opportunities may also be available: Possesses industry-recognised certifications such as CTM, CSTM, CTL, CSTL, OSCP, or CREST/Cyber Scheme qualifications. Brings specialist knowledge in one or more areas of penetration testing – this could include mobile app security, cloud environments, operational technology (OT More ❯
A premier UK consultancy is seeking a skilled and passionate Penetration Tester to join its growing team of cybersecurity experts. This is a dynamic opportunity for individuals with strong technical skills and a proactive mindset, eager to make a tangible impact across a wide range of client environments. Working on mission critical projects across National Security, Critical National Infrastructure … stakeholders Work directly with clients as a trusted advisor – this is a consulting-facing role Operate in sensitive, high-risk environments where mistakes have real consequences Contribute to improving team tooling, processes, and client methodology Be comfortable working autonomously without extensive documentation or runbooks Key Qualifications and Skills: Candidates who meet the following criteria are strongly … encouraged to apply – and even if every box isn’t ticked, applications are welcome, as related opportunities may also be available: Possesses industry-recognised certifications such as CTM, CSTM, CTL, CSTL, OSCP, or CREST/Cyber Scheme qualifications. Brings specialist knowledge in one or more areas of penetration testing – this could include mobile app security, cloud environments, operational technology (OT More ❯
Tester) Direct message the job poster from Anson McCade Senior Technology Recruitment Consultant A premier UK consultancy is seeking a skilled and passionate Penetration Tester to join its growing team of cybersecurity experts. This is a dynamic opportunity for individuals with strong technical skills and a proactive mindset, eager to make a tangible impact across a wide range of … stakeholders Work directly with clients as a trusted advisor – this is a consulting-facing role Operate in sensitive, high-risk environments where mistakes have real consequences Contribute to improving team tooling, processes, and client methodology Be comfortable working autonomously without extensive documentation or runbooks Key Qualifications and Skills: Candidates who meet the following criteria are strongly … encouraged to apply – and even if every box isn’t ticked, applications are welcome, as related opportunities may also be available: Possesses industry-recognised certifications such as CTM, CSTM, CTL, CSTL, OSCP, or CREST/Cyber Scheme qualifications. Brings specialist knowledge in one or more areas of penetration testing – this could include mobile app security, cloud environments, operational technology (OT 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 ❯
Reading, England, United Kingdom Hybrid / WFH Options
THAMES WATER UTILITIES LIMITED
success, so if you need assistance, we're here to help and support . When a crisis happens, we all rally around to support our customers. As part of Team Thames, you'll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an More ❯
Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work … over 30 years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to teamleader or principal tester positions. You would be … able to work flexibly, undertaking work at home and at client sites across the UK. Required qualifications to be successful in this role - CHECKTeamLeader (CTL) - CHECKTeam Member (CTM) - CREST Certified Simulated Attack Specialist (CCSAS) - CREST Certified Tester (CCT). Sometimes known as CREST Certified Infrastructure Tester (CCT Inf) or CREST Certified Web 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Nomios Netherlands
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. Job Description Location: This role offers flexibility to work remotely, with occasional visits to client sites. Alternatively, you can choose a hybrid arrangement … Consultant - Penetration Tester (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 day ago Kidlington, England, United Kingdom 5 days ago CHECKTeamLeader - Penetration Testers CTL/CSTL CHECK Qualified (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 week ago Oxford, England, United Kingdom 6 days ago CHECKTeamLeader - Penetration … Testers CTL/CSTL CHECK Qualified (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 day ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr 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 ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Cyber Guarded Ltd
required) Type: Full-time | Flexible working hours Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients across both public and private … sectors. As we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you’ll do: Conduct infrastructure, app, cloud & OT penetration … Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ paid employment in penetration testing Cyber Scheme, CREST or CHECK Certifications are required CTL must hold UK CSC Professional Title at Principal level or above Strong knowledge of networks, OS (Linux/Windows), web tech Proficient with Burp, Metasploit, Nessus, Kali Linux Eligible for More ❯
message the job poster from Anson McCade 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 … and environments with technical debt 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. Seniority level Seniority More ❯
also have: Python scripting skills for tooling or automation Experience or awareness of Operational Technology (OT) environments Familiarity with internal exploitation tools and techniques Certifications like CREST CTM/CTL/CSTM, Cyber Scheme Practitioner, or OSCP (lapsed certs accepted if skills are current) 🧠 What to expect: A small, high-trust team (2–3 testers) operating with autonomy and 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 ❯
swindon, wiltshire, south west england, 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, England, United Kingdom Hybrid / WFH Options
Nomios Netherlands
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. Job Description Location: This role offers flexibility to work remotely, with occasional visits to client sites. Alternatively, you can choose a hybrid arrangement … Consultant - Penetration Tester (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 day ago Kidlington, England, United Kingdom 5 days ago CHECKTeamLeader - Penetration Testers CTL/CSTL CHECK Qualified (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 week ago Oxford, England, United Kingdom 6 days ago CHECKTeamLeader - Penetration … Testers CTL/CSTL CHECK Qualified (UK) - Dionach by Nomios Oxfordshire, England, United Kingdom 1 day ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr More ❯
London, England, United Kingdom Hybrid / WFH Options
Women in Data®
strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design and a wide range of other experts and cross-disciplinary teams to bring ideas to life through innovative software solutions. Grow a flexible and unique … ll be using your technical skills to problem solve with our clients, as well as working on internal projects Live in-person whiteboarding sessions to problem solve as a team, alongside asynchronous communication on Teams Work by yourself, or play your part in larger projects Deliver high quality security assessments within agreed deadlines Produce written and verbal reports for … every requirement below, feel free to still apply as we are often hiring for similar roles which your background might be better suited to. Hold CTM/CSTM or CTL/CSTL status and/or other industry recognised certifications such as the OSCP or CREST/CyberScheme qualifications Have developed their SME knowledge in one or more fields of More ❯