11 of 11 Contract Penetration Tester Jobs in England

Penetration Tester - 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 ❯

Penetration Tester - 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 ❯

Penetration Tester (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 Penetration Tester 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 ❯

Penetration Tester - HIRING ASAP Start date: ASAP Duration: Till end of December 2025 with an extension thereafter Location: 2-3 days in Wokingham, 2-3 days remote working. Rate: £459 per day inside ir35 Responsibilities Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms. Identify, exploit, and document security vulnerabilities with detailed … latest attack vectors, tools, and security trends. Assist in security awareness training and internal education efforts. Contribute to security policies and best practices development. Key Skills 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. More ❯

Penetration Tester 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 ❯

Position: Penetration Tester 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 ❯

Position: Penetration Tester 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 ❯

Venn Group Position : Penetration Tester 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 ❯

Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps workflows. This role is ideal for someone who More ❯

Role/Job Title: DevSecOps Pentester Work Location: London (2 - 3days) The Role Conducts security assessments and penetration tests across CI/CD pipelines, cloud infrastructure, and application environments. Integrates automated security tools and practices within DevOps workflows to ensure continuous security validation. Identifies and exploits vulnerabilities in code, containers, APIs, and infrastructure-as-code before they reach production. More ❯

client, a leading global organization, is looking for a skilled Internal Pentester to join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks, and deliver actionable remediation advice. Youll work in a compliance-driven, high-security … environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP). Identify and exploit security flaws: insecure authentication, authorization bypass, input validation issues, cloud misconfigurations, AD misuse, etc. Perform internal/external network testing, AD enumeration, privilege … technical findings. Collaborate with development, cloud, and infrastructure teams on remediation. Keep up to date with latest vulnerabilities, exploit techniques, and pentesting tools. Essential Skills & Experience 37+ years in penetration testing, red teaming, or offensive security. Strong application security knowledge (OWASP Top 10, API security). Proven end-to-end pentest experience: internal, external, cloud, AD, web apps, APIs. More ❯