24 of 24 Contract Penetration Testing Jobs

architecture to operations. Key Responsibilities: Implement and manage security technologies, including firewalls, intrusion detection/prevention systems (IDS/IPS), SIEMs, and endpoint protection Conduct threat and vulnerability assessments, penetration testing, and risk analysis activities Design and deploy security controls that align with enterprise architecture and regulatory requirements Support secure configuration and hardening of systems, applications, and infrastructure More ❯

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 penetration testing, 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 penetration testing 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 ❯

of the Vulnerability Analyst: Leading the end-to-end vulnerability management process using Tenable . Develop, deploy and maintain a comprehensive vulnerability management program. Conducting regular vulnerability scans and penetration testing activities to proactively identify and assess security weaknesses across systems and infrastructure. Using Tenable to run regular assessments and deliver actionable insights. Partnering with IT and security … as Tenable SME and guiding teams with best practice and training. Essential Experience of the Vulnerability Analyst: Proven hands-on Tenable experience is Essential. Experience conducting vulnerability assessments and penetration testing. Strong background in Threat and Vulnerability management. Experience with frameworks such as ISO27001, NIST and CIS. Comfort working with stakeholders or independently. Build VM functions from scratch. Strong More ❯

of the Vulnerability Analyst: Leading the end-to-end vulnerability management process using Tenable . Develop, deploy and maintain a comprehensive vulnerability management program. Conducting regular vulnerability scans and penetration testing activities to proactively identify and assess security weaknesses across systems and infrastructure. Using Tenable to run regular assessments and deliver actionable insights. Partnering with IT and security … as Tenable SME and guiding teams with best practice and training. Essential Experience of the Vulnerability Analyst: Proven hands-on Tenable experience is Essential. Experience conducting vulnerability assessments and penetration testing. Strong background in Threat and Vulnerability management. Experience with frameworks such as ISO27001, NIST and CIS. Comfort working with stakeholders or independently. Build VM functions from scratch. Strong More ❯

of the Vulnerability Analyst: Leading the end-to-end vulnerability management process using Tenable . Develop, deploy and maintain a comprehensive vulnerability management program. Conducting regular vulnerability scans and penetration testing activities to proactively identify and assess security weaknesses across systems and infrastructure. Using Tenable to run regular assessments and deliver actionable insights. Partnering with IT and security … as Tenable SME and guiding teams with best practice and training. Essential Experience of the Vulnerability Analyst: Proven hands-on Tenable experience is Essential. Experience conducting vulnerability assessments and penetration testing. Strong background in Threat and Vulnerability management. Experience with frameworks such as ISO27001, NIST and CIS. Comfort working with stakeholders or independently. Build VM functions from scratch. Strong More ❯

Senior Penetration Tester Penetration Testing/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 penetration testing 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 ❯

Senior Penetration Tester Penetration Testing/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 penetration testing 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 ❯

frameworks (eg, ISO 27001, NIST, FCA ). Collaborate with key stakeholders to gather and analyze technical security data for accurate risk evaluation and remediation. Work closely with Vulnerability Assessment & Penetration Testing (VAPT) , Threat Intelligence , and Incident Response teams to understand technical risks and validate that appropriate controls are in place. Contribute to the ongoing improvement of Governance, Risk More ❯

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 penetration testing 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 ❯

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 penetration testing, 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 Penetration Testing/Ethical Hacking Strong knowledge of network and cloud infrastructure security. Up-to-date on the latest cybersecurity threats and technologies. Strong knowledge in pen testing More ❯

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 penetration testing, 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 Penetration Testing/Ethical Hacking Strong knowledge of network and cloud infrastructure security. Up-to-date on the latest cybersecurity threats and technologies. Strong knowledge in pen testing More ❯

controls to secure systems, applications, network, or infrastructure services Hands-on experience with security tools and devices such as network firewalls, web proxy, intrusion prevention system, vulnerability scanner, and penetration testing tools. Demonstrated understanding of TCP/IP networking concepts and DNS. 3+ years of related Identity Management tools engineering experience, including installing, configuring and troubleshooting experience with More ❯

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 penetration testing 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 ❯

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 penetration testing 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 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 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 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 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 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 More ❯

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 penetration testing 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 ❯

Develop CTI tactical, operational and strategic intelligence framework and processes Threat hunting - Develop and lead structured threat hunting campaigns-based threat intelligence, MITRE ATT&CK, and risk models Pen Testing - Support internal testing of hypotheses and validation of remediation from pen tests You will be experienced and hands-on with a Cyber Threat Intelligence and Threat Hunting Specialist … Manager, you will support designing, building and operationalising the threat intelligence and proactive detection capabilities within the SOC. The primary focus is on CTI development and structured threat hunting, penetration testing and offensive security experience is a significant plus, to support internal simulation, and validation of remediation capabilities. This is an initial 6-month contract, 40% on site More ❯

Develop CTI tactical, operational and strategic intelligence framework and processes Thread hunting - Develop and lead structured threat hunting campaigns-based threat intelligence, MITRE ATT&CK, and risk models Pen Testing - Support internal testing of hypotheses and validation of remediation from pen tests You will be experienced and hands-on with a Cyber Threat Intelligence and Threat Hunting Specialist … Manager, you will support designing, building and operationalising the threat intelligence and proactive detection capabilities within the SOC. The primary focus is on CTI development and structured threat hunting, penetration testing and offensive security experience is a significant plus, to support internal simulation, and validation of remediation capabilities.This is an initial 6-month contract, 40% on site and More ❯

Penetration Tester - Android | £600-£625 p/d | Outside IR35 | London | 6 months+ SR2 are supporting a major global tech client in scaling their elite application security team. They're hiring two Penetration Testers with deep Android mobile expertise to uncover security flaws, reverse engineer complex APKs, and assess high-impact risks across mobile ecosystems. This isn't … about basic bug hunting, this is targeted, forensic-level testing to identify vulnerabilities before they become exploits. The Role: Conduct in-depth penetration testing on Android applications Reverse engineer mobile apps to uncover security weaknesses Analyse malware risks, obfuscation layers, and potential exploit vectors Work alongside automation tools while delivering deep, human-led security insight Must-Have … Proven hands-on experience in Android penetration testing Strong background in reverse engineering APKs and analysing obfuscated code A security-first mindset with the ability to think like a sophisticated attacker Nice to Have: Experience working in large security consultancies or antivirus environments Exposure to large-scale mobile platforms, app stores, or critical systems vetting Details: Day Rate More ❯

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 ❯

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 ❯