CCL Solutions Group
Stratford-upon-avon, Warwickshire
Summary: 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. 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 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. Required Skill Set & Experience: 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. How to be successful in this role? To be successful in this role you will need a Strong understanding of the following technical competencies: Solid grounding in OS and network fundamentals (Linux, Windows, Mac, TCP/IP stack). Knowledge of common attack techniques and mitigations (MITRE ATT&CK, OWASP Top 10). Familiarity with scripting and automation using Python, Bash, or PowerShell. Strong understanding of Active Directory attack chains and common privilege escalation paths. Experience interpreting logs and event outputs from OS and security appliances. Certifications: OSCP, OSEP, CRTO, or other advanced offensive security qualifications. Programming/scripting in Python, Ruby, Go, C#, or Java. Experience in red teaming, threat emulation, or purple teaming. Agile experience and knowledge of the common production frameworks is highly desired. Other Role Requirements: Must have been resident in the UK for a minimum of 5 years. Full UK driving licence. Ability to obtain (or currently hold) SC or DV clearance - this is non-negotiable and is set by the NSCS (National Cyber Security Centre ) for all Check Members. Willingness to travel for client engagements or on-site support. Travel is within the United Kingdom. CCL is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity. In applying for a role you acknowledge that your personal data is necessary to consider you for the advertised role. Your information will be processed in accordance with the CCL Group Privacy Notice and retained for a maximum period of 12 months. If you would like to apply for this role please send us your current cv and a covering email. CCL Solutions Group is made up of the following companies: CCL (Solutions) Group Ltd (company number ), CCL-Forensics Ltd (company number ), Evidence Talks Limited (company number ), CCL Cyber Solutions Ltd (company number ), CCL (Computer Consultants) Ltd (company number )
Summary: 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. 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 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. Required Skill Set & Experience: 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. How to be successful in this role? To be successful in this role you will need a Strong understanding of the following technical competencies: Solid grounding in OS and network fundamentals (Linux, Windows, Mac, TCP/IP stack). Knowledge of common attack techniques and mitigations (MITRE ATT&CK, OWASP Top 10). Familiarity with scripting and automation using Python, Bash, or PowerShell. Strong understanding of Active Directory attack chains and common privilege escalation paths. Experience interpreting logs and event outputs from OS and security appliances. Certifications: OSCP, OSEP, CRTO, or other advanced offensive security qualifications. Programming/scripting in Python, Ruby, Go, C#, or Java. Experience in red teaming, threat emulation, or purple teaming. Agile experience and knowledge of the common production frameworks is highly desired. Other Role Requirements: Must have been resident in the UK for a minimum of 5 years. Full UK driving licence. Ability to obtain (or currently hold) SC or DV clearance - this is non-negotiable and is set by the NSCS (National Cyber Security Centre ) for all Check Members. Willingness to travel for client engagements or on-site support. Travel is within the United Kingdom. CCL is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity. In applying for a role you acknowledge that your personal data is necessary to consider you for the advertised role. Your information will be processed in accordance with the CCL Group Privacy Notice and retained for a maximum period of 12 months. If you would like to apply for this role please send us your current cv and a covering email. CCL Solutions Group is made up of the following companies: CCL (Solutions) Group Ltd (company number ), CCL-Forensics Ltd (company number ), Evidence Talks Limited (company number ), CCL Cyber Solutions Ltd (company number ), CCL (Computer Consultants) Ltd (company number )
Protection Group International
CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. The team tests the security of infrastructure and applications, conducts IT Health Checks, reviews IT configurations, identifies gaps that threat actors could exploit, and makes recommendations to safeguard assets. What you'll be doing: Providing professional cybersecurity consultancy to internal and external stakeholders. Leading the delivery of PGI's infrastructure penetration testing. Collaborating on the design and delivery of new and existing service lines related to offensive security assessments. Supporting and often leading technical pre-sales, proposal writing, and client engagements. Coaching and supervising junior team members, including resource management, development planning, mentoring, and knowledge transfer. Analyzing security data to identify patterns, threats, and vulnerabilities. Producing high-quality technical reports that explain vulnerabilities in non-technical language for stakeholders. Performing quality assurance and peer reviews of project reports. Collaborating with colleagues on internal or client projects. Contributing to technical training and development materials. Supporting technical delivery projects to ensure successful outcomes. Mentoring security consultants or clients by sharing knowledge and overseeing skill development. Participating in exercises such as Capture The Flag (CTF) challenges. Providing accurate scoping of penetration testing opportunities for sales activities. Supporting sales activities with proposals and client presentations. Supporting marketing with subject matter expertise and content development. Developing and maintaining technical skills and certifications, e.g., Hack The Box. Staying current with cybersecurity trends, threats, and technologies. On day one you will bring: Relevant professional certifications, such as CCT inf or CSTL inf. Chartership from the Cyber Security Council with the title Principal or Chartered (preferred). At least 3 years of experience in penetration testing or security consulting. Knowledge of operating systems, networks, and cloud platforms. A good understanding of network security and protocols like TCP/IP. Experience with technical concepts such as tunneling traffic and IP configuration. Experience delivering penetration tests and vulnerability assessments for networks, applications, and cloud services. Excellent communication skills, both verbal and written, with the ability to present to clients. Ability to manage time effectively and work to deadlines. Critical thinking skills and an innovative approach to problem-solving. Experience with security tools like Nessus, Burp Suite, and Metasploit. Ability to work independently and collaboratively, sharing knowledge freely. Knowledge of scripting languages. Eligibility for security clearance. Self-motivation and a commitment to continuous development. Diversity, Equity, and Inclusion at PGI As a British company operating internationally, we value the diversity of our team. We work across 80+ countries, with team members speaking 25+ languages and from various backgrounds. We believe that a diverse, equitable, and inclusive workforce enables us to deliver innovative solutions to complex problems. Accessibility at PGI We are committed to making reasonable adjustments to accommodate individual needs, removing barriers in the workplace. We aim to make our recruitment process accessible and encourage candidates with questions or concerns to contact us. Please note: We are not accepting applications or profiles from recruitment agencies. Additional resources will be engaged directly by PGI if needed.
CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. The team tests the security of infrastructure and applications, conducts IT Health Checks, reviews IT configurations, identifies gaps that threat actors could exploit, and makes recommendations to safeguard assets. What you'll be doing: Providing professional cybersecurity consultancy to internal and external stakeholders. Leading the delivery of PGI's infrastructure penetration testing. Collaborating on the design and delivery of new and existing service lines related to offensive security assessments. Supporting and often leading technical pre-sales, proposal writing, and client engagements. Coaching and supervising junior team members, including resource management, development planning, mentoring, and knowledge transfer. Analyzing security data to identify patterns, threats, and vulnerabilities. Producing high-quality technical reports that explain vulnerabilities in non-technical language for stakeholders. Performing quality assurance and peer reviews of project reports. Collaborating with colleagues on internal or client projects. Contributing to technical training and development materials. Supporting technical delivery projects to ensure successful outcomes. Mentoring security consultants or clients by sharing knowledge and overseeing skill development. Participating in exercises such as Capture The Flag (CTF) challenges. Providing accurate scoping of penetration testing opportunities for sales activities. Supporting sales activities with proposals and client presentations. Supporting marketing with subject matter expertise and content development. Developing and maintaining technical skills and certifications, e.g., Hack The Box. Staying current with cybersecurity trends, threats, and technologies. On day one you will bring: Relevant professional certifications, such as CCT inf or CSTL inf. Chartership from the Cyber Security Council with the title Principal or Chartered (preferred). At least 3 years of experience in penetration testing or security consulting. Knowledge of operating systems, networks, and cloud platforms. A good understanding of network security and protocols like TCP/IP. Experience with technical concepts such as tunneling traffic and IP configuration. Experience delivering penetration tests and vulnerability assessments for networks, applications, and cloud services. Excellent communication skills, both verbal and written, with the ability to present to clients. Ability to manage time effectively and work to deadlines. Critical thinking skills and an innovative approach to problem-solving. Experience with security tools like Nessus, Burp Suite, and Metasploit. Ability to work independently and collaboratively, sharing knowledge freely. Knowledge of scripting languages. Eligibility for security clearance. Self-motivation and a commitment to continuous development. Diversity, Equity, and Inclusion at PGI As a British company operating internationally, we value the diversity of our team. We work across 80+ countries, with team members speaking 25+ languages and from various backgrounds. We believe that a diverse, equitable, and inclusive workforce enables us to deliver innovative solutions to complex problems. Accessibility at PGI We are committed to making reasonable adjustments to accommodate individual needs, removing barriers in the workplace. We aim to make our recruitment process accessible and encourage candidates with questions or concerns to contact us. Please note: We are not accepting applications or profiles from recruitment agencies. Additional resources will be engaged directly by PGI if needed.