6 of 6 Remote Contract Penetration Testing Jobs

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 escalation. Automate security testing where possible, integrating IaC and ServiceNow workflows. Simulate real-world attacks using the same techniques and tools as malicious actors. Produce detailed, actionable reports with executive summaries and 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 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 join a … 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 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 risk … 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 More ❯

Liaise with the Security Architects and wider team to provide technical requirements to ensure projects deliver secure solutions Work with the Security Business Partners to scope, arrange and support penetration testing and vulnerability testing and track remediation to a close Articulate risk in technical and non-technical terminology so that it can be interpreted by Information Technology More ❯

extend. Local candidates will be preferred. Skills/experience required: Demonstrable experience in analysing and deconstructing Android applications ( Java essential; native code experience advantageous) Proficiency in vulnerability identification and penetration testing techniques Strong understanding of Android OS security features and architecture Ability to work independently, with excellent attention to detail and analytical skills Comfortable navigating large, unfamiliar codebases … point during the recruitment process, if there is a better way for us to communicate, please do let us know. Developer, Engineer, Programmer, Java, Android, Mobile OS, Malware, Virus, Penetration Test, Threat, OSCP, Cyber, Infosec, Security, Information Security, Pentest #vacancy #jobadvert #recruit #hiring #jobsearch #careers #talent #recruitment #job Circle Recruitment is acting as an Employment Agency in relation to 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 … and development teams, and help improve enterprise security posture. Key Responsibilities Integrate security tools and practices into CI/CD pipelines for continuous validation. Conduct manual and automated security testing on web apps, APIs, pipelines, and cloud infrastructure. Identify and exploit vulnerabilities in CI/CD workflows, IaC, containers, and cloud-native architectures (AWS, Azure, GCP, Docker, Kubernetes). … threat modeling, and secure design review. Proficiency in automating security checks using Jenkins, GitLab, Ansible, or similar tools. Secure coding knowledge and familiarity with common developer pitfalls. Scripting for testing/automation: Python, Bash, Go. Cloud-native and container experience: Docker, Kubernetes, IaC. Cloud security knowledge: AWS, Azure, GCP, and cloud security best practices. Experience collaborating in agile, fast More ❯