Stratford-upon-avon, Warwickshire, United Kingdom Hybrid / WFH Options
Ccl Solutions Group
Summary: CCL Solutions Group is seeking an exceptional Senior PenetrationTester 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 … 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 PenetrationTester 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 … 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 More ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
opportunity to join a team that values your expertise, supports your growth, and offers the flexibility of remote working with the stimulation of varied engagements. Key Responsibilities: Conduct thorough penetration tests on infrastructure, networks, cloud environments, and web applications. Deliver high-quality, client-ready reports detailing findings, impact, and practical remediation advice. Collaborate directly with client stakeholders during scoping … e.g., OWASP Top 10, MITRE ATT&CK). Strong familiarity with tools such as Burp Suite, Nmap, Metasploit, etc. Excellent communication and reporting skills. Required Qualifications: Demonstrable experience in penetration testing (minimum 2 years preferred). Hold at least one of the following certifications: OSCP (Offensive Security Certified Professional) CRT (CREST Registered Tester) CCT-INF (CREST Certified Infrastructure … Tester) #J-18808-Ljbffr More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Yolk Recruitment
Senior PenetrationTester | 12 Month Initial Contract | £750 - £850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required MERITUS Talent are working with a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We're looking for an experienced Senior PenetrationTester with … 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 in penetration testing and red teaming, particularly in operational environments. A background in technical QA - reviewing, validating, and improving the output of other testers. Experience as an assessor or contributor to More ❯
Salisbury, Wiltshire, South West, United Kingdom Hybrid / WFH Options
Anson Mccade
PenetrationTester £up to £100,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: PenetrationTester (Infrastructure Focus) Work Type & Location: Hybrid - London preferred (other UK locations considered) Role Type: Permanent Start Date: Immediate Anson McCade is proud to be supporting a global innovation and transformation consultancy in growing their elite Digital … Data team. We're seeking a PenetrationTester with a deep focus on infrastructure and Active Directory environments. This isn't your typical web app testing role-this is hands-on, internal infrastructure testing in high-stakes client environments (defence, critical infrastructure, national security). This is a high-trust, high-impact role for someone confident in navigating … sensitive networks, with the ability to think independently, consult directly with clients, and deliver clear, actionable insights. As a PenetrationTester, you will: • Deliver internal infrastructure penetration tests, including Active Directory environments • Act as a trusted advisor to clients-this is a hands-on consulting-facing role • Document clear, concise technical reports for both technical and non More ❯
we also mention that we’ve been awarded Gold Investors in People for a fourth consecutive time? About The Role A technical security expert with the ability to conduct penetration tests and the appetite to deliver a wide spectrum of interesting security-related work, seeking a new challenge to join our growing Cyber team to help shape the company … s security and compliance services nationwide for a leading IT and business consultancy, supporting national and international clients. Day To Day Responsibilities Leading and delivering web application penetration testing, with an expectation to participate in infrastructure penetration testing, vulnerability assessments, and security audits across various business functions as needed Lead technical scoping activities and understand a client’s … to manage multiple client engagements concurrently Act as a trusted partner to all of our clients Essential Some of the skills we are looking for Proven experience in performing penetration tests across a broad range of systems, more specifically web applications and APIs Wider technical knowledge of network and cloud infrastructure security Understanding of security vulnerabilities and risk mitigation More ❯
Social network you want to login/join with: Opus are looking for an experienced PenetrationTester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior PenetrationTester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯
Social network you want to login/join with: Opus are looking for an experienced PenetrationTester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior PenetrationTester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯
Social network you want to login/join with: Opus are looking for an experienced PenetrationTester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior PenetrationTester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯
Opus are looking for an experienced PenetrationTester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior PenetrationTester, you’ll play a central role in executing and … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯
Opus are looking for an experienced PenetrationTester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior PenetrationTester, you’ll play a central role in executing and … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Meritus
This range is provided by Meritus. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Senior PenetrationTester | 12 Month Initial Contract | £750 - £850 per day (Inside IR35) | Cheltenham or London | 1 day per week on-site | SC Clearance Eligibility Required MERITUS Talent are working with … a boutique Defence consultancy supporting a UK Central Government department in their Cyber Security function. We’re looking for an experienced Senior PenetrationTester with a strong background in adversary simulation and 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 … 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 in penetration testing and red teaming, particularly in operational environments. A background in technical QA – reviewing, validating, and improving the output of other testers. Experience as an assessor or contributor to More ❯
Role: PenetrationTester Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the … Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. The company … have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to date with industry trends and new attack More ❯
to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration … benefits of their testing outputs. The company have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to … tests • Currently holds a CHECK equivalency certification • Eligibility to hold or currently hold clearance • Experience working with Linux and Windows OS • Strong understanding of working with common tooling for penetration testing • Ideally, a knowledge of Cloud services such as Azure or AWS • Capability to script or code in Bash, Python etc • Appreciation for Cyber Security standards such as ISO27001 More ❯
Bournemouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PenetrationTester (OSCP or similar certified), Bournemouth Client: Harrington Starr Location: Bournemouth, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Harrington Starr has partnered with a global multi-billion-pound business in Belfast to seek a Vulnerability … and Penetration Testing Engineer for their Belfast Centre team, focusing on security architecture, vulnerability, and risk assessment. We are open to candidates who may work on a remote contract with occasional trips to the Belfast Head Office. Responsibilities: Evaluate proposed and current solutions for compliance with secure system design standards, including ISMS Policy, client contracts, regulatory expectations, and professional … to protect the company's assets. Continuously evaluate products, tools, scripts, and techniques to enhance assessment capabilities. 3+ years in a pen test role Strong knowledge of Vulnerability and Penetration Testing concepts, including WhiteHat/Ethical Hacking requirements. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Understanding of the difference between vulnerability assessment and More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PenetrationTester (OSCP or similar certified), Cheltenham Client: Harrington Starr Location: Cheltenham Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Harrington Starr has partnered with a global multi-billion-pound business in Belfast, seeking a Vulnerability and Penetration … of the firm's assets. Continuously evaluate relevant products, tools, scripts, and techniques to enhance assessment capabilities. r+ years in a pen test role Excellent knowledge of Vulnerability and Penetration Testing concepts and best practices, including WhiteHat/Ethical Hacking requirements. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference … between a vulnerability assessment and a penetration test regarding scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity, apply today. Unfortunately, no sponsorship is offered at this stage for this role. #J-18808-Ljbffr More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Lorien
Senior PenetrationTester (Inside IR35) Are you an SC cleared PenetrationTester looking for a new long term contract role? We are working with a government client looking for a Senior PenetrationTester to act as a benchmark on the quality of the penetration testing team. This role is based 4 days a … ongoing technical capability for the organisation Coaching team leaders to provide ongoing technical and leadership support Provide technical advice to project teams If you are a senior SC cleared PenetrationTester looking for a new role, please apply now! Carbon60, Lorien & SRG – The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯
to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration … tests. Currently holds a CHECK equivalency certification. Eligibility to hold or currently hold clearance. Experience working with Linux and Windows OS. Strong understanding of working with common tooling for penetration testing. Ideally, a knowledge of Cloud services such as Azure or AWS. Capability to script or code in Bash, Python etc. Appreciation for Cyber Security standards such as ISO27001 More ❯
network you want to login/join with: Are you an offensive security specialist excited about delivering the best service? Join a boutique Cyber Security consultancy focused on the Penetration Testing market. They prioritize quality testing and reports over marketing hype, ensuring clients see real benefits from their testing outputs. The company is based in Cheltenham but offers flexible … working locations. Key Responsibilities: Deliver CHECK penetration testing services. Engage in non-CHECK testing where necessary. Collaborate with the sales team for technical input. Produce high-quality reports for clients. Stay updated on industry trends and attack methods. Conduct testing across INF, APP, Mobile, AD, or Cloud environments. Possess a CHECK equivalency certification. Hold or be eligible to hold … security clearance. Experience with Linux and Windows OS. Proficiency with common penetration testing tools. Knowledge of Cloud services like Azure or AWS (preferred). Ability to script or code in Bash, Python, etc. Understanding of cybersecurity standards such as ISO27001, PCI-DSS, or CIS. This role offers growth opportunities and the chance to work with interesting clients in a More ❯
Bournemouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: If you're looking to join an established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetrationtester to … of testing disciplines with full investment for training & certifications (including those you personally want to go for) this could be for you. What you'll be doing As a penetrationtester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Produce clear, concise and actionable reports … for both technical and none technical audiences. Ability to work on your own or collaboratively alongside a skilled team of penetration testers. Engage with clients and internal stakeholders to explain finding and remediation steps wherever appropriate. What's in it for you? Remote first culture - work from anywhere in the UK Salary up to £60,000, depending on experience. More ❯
Social network you want to login/join with: We are currently recruiting for a highly awarded Managed Security Service Provider for the role of Lead Penetration Tester. This is a fantastic opportunity to join a business known for its cutting-edge connectivity, cloud, and communications solutions. Role Overview *CANDIDATES MUST BE BASED IN THE UK* Location: Remote Number … Clearance due to the nature of clients Full UK Driving License & Access to a vehicle are essential Experience working in the public sector would be desirable Strong experience in Penetration Testing Cyber Scheme, CREST or CHECK Certifications are required Strong background and understanding of cybersecurity, with a knowledge of penetration testing frameworks and methodologies Strong client-facing skills More ❯
Salisbury, Wiltshire, United Kingdom Hybrid / WFH Options
Anson Mccade
PenetrationTester £up to £100,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: PenetrationTester (Infrastructure Focus) Work Type & Location: Hybrid - London preferred (other UK locations considered) Role Type: Permanent Start Date: Immediate Anson McCade is proud to be supporting a global innovation and transformation consultancy in growing their elite Dig More ❯