London, South East, England, United Kingdom Hybrid / WFH Options
Circle Recruitment
Due to the service of the role, it will now be based on an Umbrella solution. Essential skills/experience required: Certifications: OSCP or CREST/TIGER Scheme. Experience penetrationtesting, ethical hacking, or completing vulnerability assessments. Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.). DevSecOps principles and tools (e.g., Veracode, SonarQube … Leader) - desirable Knowledge of UK public sector security and data protection standards (e.g., NCSC, Cyber Essentials Plus) - desirable Threat modelling and secure design practices - desirable Role/Responsibilities: Perform penetrationtesting and vulnerability assessments of web applications, APIs, and cloud infrastructure. Evaluate the automated security tooling into CI/CD pipelines (SAST, DAST, dependency checking, IaC etc), and … Cleared, Dv Clearance, Dv Check, Developed Vetted, Developed Vetting, Dv Strap, Active DV, Security, Cyber, Cybersecurity, Infosec, Cloud, AWS, Amazon Web Services, Azure, Python, Bash, Script, Scripting, Automate, Automation, Penetration, Pentest, Pentesting, Pen-Test, Pen-Testing, Hacking, Vulnerability, Threat, Engineer #vacancy #jobadvert #recruit #hiring #jobsearch #careers #talent #recruitment #job Circle Recruitment is acting as an Employment Agency in More ❯
Senior Penetration Tester PenetrationTesting/Web & Cloud Security/Red Team/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 months SR2 have partnered with a cutting-edge Cyber Security Consultancy to recruit a Senior Penetration Tester to support a large-scale security assessment programme for public sector and regulated … ll work across a range of environments, identifying vulnerabilities, simulating real-world attacks, and helping to harden complex systems against evolving threats. Required Skills and Experience: Proven experience conducting penetrationtesting across web apps, APIs, infrastructure, and cloud environments (AWS, Azure, GCP) Strong understanding of OWASP Top 10 , CVSS, and secure coding principles Experience with tools such as … Hybrid working - 2 Days per month (London or Cheltenham) Must be UK based 6 months £600 per day ASAP Start 1-stage interview process If you're a seasoned Penetration Tester looking for a new contract, click Apply to get started. Alternatively, directly send a recent copy of your CV to Ben Sheppard at (see below) for an immediate More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
SR2
Senior Penetration Tester PenetrationTesting/Web & Cloud Security/Red Team/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 Months SR2 have partnered with a cutting-edge Cyber Security Consultancy to recruit a Senior Penetration Tester to support a large-scale security assessment programme for public sector and regulated … ll work across a range of environments, identifying vulnerabilities, simulating real-world attacks, and helping to harden complex systems against evolving threats. Required Skills and Experience: Proven experience conducting penetrationtesting across web apps, APIs, infrastructure, and cloud environments (AWS, Azure, GCP) Strong understanding of OWASP Top 10 , CVSS, and secure coding principles Experience with tools such as … Hybrid working - 2 Days per month (London or Cheltenham) Must be UK based 6 Months £600 per day ASAP Start 1-stage interview process If you’re a seasoned Penetration Tester looking for a new contract, click Apply to get started. Alternatively, directly send a recent copy of your CV to Ben Sheppard at for an immediate discussion. More ❯
Enfield, Middlesex, England, United Kingdom Hybrid / WFH Options
Eden Brown Synergy
mitigate, and respond to risks and potential threats. * Utilise Microsoft Sentinel and related tools to analyse security data, detect anomalies, and respond effectively to incidents. * Oversee vulnerability assessments and penetrationtesting to ensure robust security measures are maintained. * Contribute to the development and execution of incident response plans, ensuring prompt action to contain and remediate security incidents. * Maintain More ❯
London, King's Cross, United Kingdom Hybrid / WFH Options
Vector Recruitment
Senior Penetration Tester – Must be eligible to obtain security clearance We are looking for a Senior Penetration Tester/Ethical Hacker to work freelance for a company who delivers high-quality security solutions for an array of different clients from varied industries. Due to an unprecedented increase in workload, we are looking for a reliable Penetration Tester … to work on overflow projects, delivering infrastructure penetrationtesting, including broader vulnerability assessments and security audits as needed. You will also produce clear, professional reports and deliver testing debriefs. This opportunity would suit someone who is already in a permanent position, looking for freelance work in addition to their main role, or someone who is happy with … nature of work and client base, all applicants but be able to obtain SC clearance. Day rate: £400 - £500 per day, London – remote/hybrid Requirements Proven experience in PenetrationTesting/Ethical Hacking Strong knowledge of network and cloud infrastructure security. Up-to-date on the latest cybersecurity threats and technologies. Strong knowledge in pen testingMore ❯
King's Cross, Isle Of Arran, United Kingdom Hybrid / WFH Options
Vector Recruitment
Senior Penetration Tester Must be eligible to obtain security clearance We are looking for a Senior Penetration Tester/Ethical Hacker to work freelance for a company who delivers high-quality security solutions for an array of different clients from varied industries. Due to an unprecedented increase in workload, we are looking for a reliable Penetration Tester … to work on overflow projects, delivering infrastructure penetrationtesting, including broader vulnerability assessments and security audits as needed. You will also produce clear, professional reports and deliver testing debriefs. This opportunity would suit someone who is already in a permanent position, looking for freelance work in addition to their main role, or someone who is happy with … nature of work and client base, all applicants but be able to obtain SC clearance. Day rate: £400 - £500 per day, London remote/hybrid Requirements Proven experience in PenetrationTesting/Ethical Hacking Strong knowledge of network and cloud infrastructure security. Up-to-date on the latest cybersecurity threats and technologies. Strong knowledge in pen testingMore ❯
Fareham, Hampshire, South East, United Kingdom Hybrid / WFH Options
Defence
team on a 3-month contract in Whiteley. We are looking for a candidate with a very good understanding of Security Risk Assessments (writing, endorsing and approving) and pen-testing activities (evaluating pen-test report, writing scope of the pen test for supplier to respond to) across all Information Security. PURPOSE OF THE ROLE: To ensure the protection of More ❯
respond to potential threats Utilise advanced tools and techniques to analyse security data and identify patterns or anomalies that may indicate a security breach Review regular vulnerability assessments and penetrationtesting to ensure the robustness of security measures Contribute to incident response plans to address security breaches promptly and effectively About you: You will have the following experiences More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Spencer Clarke Group
respond to potential threats Utilise advanced tools and techniques to analyse security data and identify patterns or anomalies that may indicate a security breach Review regular vulnerability assessments and penetrationtesting to ensure the robustness of security measures Contribute to incident response plans to address security breaches promptly and effectively About you: You will have the following experiences More ❯
Senior Penetration Tester | 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 Penetration Tester with a strong … 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 penetrationtesting 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Meritus Talent
Senior Penetration Tester | 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 Penetration Tester with a strong … 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 penetrationtesting 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 More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Yolk Recruitment
Senior Penetration Tester | 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 Penetration Tester with a strong … 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 penetrationtesting 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 More ❯
Cheltenham, Gloucestershire, England, United Kingdom Hybrid / WFH Options
Lorien
Senior Penetration Tester (Inside IR35) Are you an SC cleared Penetration Tester looking for a new long term contract role? We are working with a government client looking for a Senior Penetration Tester to act as a benchmark on the quality of the penetrationtesting team. This role is based 4 days a week working … 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 Penetration Tester 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 ❯
East London, London, England, United Kingdom Hybrid / WFH Options
InfoSec People Ltd
occasional trips to the London Office. This role has been determined outside IR35. Key Skills Required: Reverse Engineering of Android Apps Knowledge of Android Platform and Security mechanisms Pen Testing and Vulnerability Assessment Track recording of working in a high-achieving team This client is looking to review CV's and interview in the next week so if you More ❯
Fareham, Hampshire, United Kingdom Hybrid / WFH Options
Defence
team on a 3-month contract in Whiteley. We are looking for a candidate with a very good understanding of Security Risk Assessments (writing, endorsing and approving) and pen-testing activities (evaluating pen-test report click apply for full job details More ❯