South East London, London, United Kingdom Hybrid / WFH Options
4SQUARE RECRUITMENT LTD
Senior PenetrationTester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging … and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly skilled and motivated Senior PenetrationTester to join our remote team. You will be responsible for leading and executing complex penetration tests against a variety of systems, networks, and applications. The ideal candidate is not just a … proficient tester but a critical thinker who can articulate risks clearly and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
4Square Recruitment Ltd
Senior PenetrationTester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £85,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging … and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly skilled and motivated Senior PenetrationTester to join our remote team. You will be responsible for leading and executing complex penetration tests against a variety of systems, networks, and applications. The ideal candidate is not just a … proficient tester but a critical thinker who can articulate risks clearly and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for More ❯
PenetrationTester - Hybrid (Wokingham) - Circa 400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities Conduct manual … and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document security vulnerabilities with detailed risk assessment Develop and execute red team exercises and threat simulations Collaborate with development and infrastructure teams to remediate findings Prepare comprehensive reports outlining findings, impact, and mitigation strategies Stay current with latest attack vectors, tools, and security trends … Assist in security awareness training and internal education efforts Contribute to security policies and best practices development Required Skills & Qualifications Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux Familiarity with scripting languages (Python, Bash More ❯
PenetrationTester - Hybrid (Wokingham) - Circa £400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities Conduct manual … and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document security vulnerabilities with detailed risk assessment Develop and execute red team exercises and threat simulations Collaborate with development and infrastructure teams to remediate findings Prepare comprehensive reports outlining findings, impact, and mitigation strategies Stay current with latest attack vectors, tools, and security trends … Assist in security awareness training and internal education efforts Contribute to security policies and best practices development Required Skills & Qualifications Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux Familiarity with scripting languages (Python, Bash More ❯
PenetrationTester - Hybrid (Wokingham) - Circa £400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities Conduct manual … and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document security vulnerabilities with detailed risk assessment Develop and execute red team exercises and threat simulations Collaborate with development and infrastructure teams to remediate findings Prepare comprehensive reports outlining findings, impact, and mitigation strategies Stay current with latest attack vectors, tools, and security trends … Assist in security awareness training and internal education efforts Contribute to security policies and best practices development Required Skills & Qualifications Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux Familiarity with scripting languages (Python, Bash More ❯
Wokingham, Berkshire, United Kingdom Hybrid / WFH Options
Investigo
PenetrationTester (SC Cleared) Location: Wokingham - Hybrid working (50/50 split) Contract Duration: Until 26/12/2025 initially - with a view to extend Daily Rate: £525/day Inside IR35 - Candidates will need to work through an Umbrella Company Clearance Required: Active SC Clearance We are looking for an experienced PenetrationTester to … team. This role offers the opportunity to work on a hybrid basis, engaging in high-impact security assessments across various platforms and environments. Key Responsibilities: Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document vulnerabilities, delivering detailed risk assessments Design and execute red team exercises and threat simulations Work closely … on emerging threats, tools, and techniques Support internal security awareness training and initiatives Contribute to the development of security policies and best practices Required Skills & Experience: Strong background in penetration testing, ethical hacking, or red teaming Deep knowledge of OWASP Top 10, MITRE ATT&CK, and CVSS scoring systems Proficiency with tools such as Burp Suite, Metasploit, Nmap, Wireshark More ❯
PenetrationTester 6 months Wokingham - 50% on site £450 Summary A dynamic and detail-oriented PMO to oversee and coordinate a Penetration Testing (PEN Testing) program. This role is pivotal in ensuring that testing activities are well-managed, results are clearly communicated, and remediation efforts are tracked across the organisation. While deep technical expertise in cybersecurity is More ❯
PenetrationTester - Hybrid (Wokingham) - Circa £400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. If you are interested … in applying for this job, please make sure you meet the following requirements as listed below. Key Responsibilities Conduct manual and automated penetration tests on web applications, networks, APIs, and mobil... More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Akkodis
PenetrationTester - Remoteup to 65K Basic SalaryDiverse Challenges: Work on a variety of applications including Web, Infrastructure (Internal/External), Cloud, Code Reviews, and Mobile.Remote Flexibility: Enjoy the freedom and convenience of a fully remote position. Attributes: A passion for cybersecurity, a drive for excellence, and a commitment to continuous learning. Modis International Ltd acts as an employment More ❯
Position: PenetrationTester Location: London (with potential travel to client sites) Contract Role - [6-12 months, extendable] A deliverables-focused role, working on defined OT penetration testing engagements. What You'll Do: Conduct thorough penetration tests on client systems, applications, and networks - specifically OT/ICS systems - to identify security weaknesses. Perform threat modelling and adversarial More ❯
Birmingham, West Midlands, England, United Kingdom Hybrid / WFH Options
Akkodis
I'm currently hiring for a PenetrationTester role with a forward-thinking organisation in the West Midlands.An exciting in-house opportunity that blends hands-on technical challenge with real impact in CNI. This is a hybrid working-2 days a week in the office and be eligible for SC clearance.Key Tasks:* Build and script your own tools More ❯
Venn Group Position : PenetrationTester Work Pattern : Hybrid (approx. 2–3 days on-site) Greater reading Contract Length :3 months (likely extension) Day Rate ( DOE): £375 – £425 via Umbrella per day Contract Type : 3-month initial term (extensions expected) IR35 Status : Inside Active Clearance : SC About the Role Our client are looking for a skilled Pen Tester … a variety of environments. You’ll be carrying out security assessments, advising on risk, and helping to build a stronger security culture across the business. Main Duties Carry out penetration tests (both automated and manual) on applications, networks, APIs, and mobile systems. Detect and exploit weaknesses, providing clear risk-based assessments Design and run red team scenarios and adversary … attack techniques, and security tooling Support internal awareness sessions and training around cyber threats Feed into the development of security standards, guidance, and processes Skillset & requirements Solid background in penetration testing, ethical hacking, or red teaming engagements Strong knowledge of frameworks such as OWASP Top 10 , MITRE ATT&CK , and risk-scoring methods like CVSS Practical use of tools More ❯