Latest Penetration Testing Jobs

Penetration Tester

This role involves conducting comprehensive penetration tests across web, API, network, cloud, and mobile environments, from scoping to client debrief. The candidate will produce detailed technical reports, present findings directly to clients, and contribute to tool development by researching emerging vulnerabilities. It's a client-facing position requiring strong technical depth and communication skills within a consultancy setting.

VIQU IT Clerkenwell, London, EC1R 0EA, United Kingdom £60,000 – £65,000 pa

Penetration Tester

This role involves conducting comprehensive penetration tests across networks, web and mobile applications, APIs, and cloud environments using both manual and automated techniques. The tester will simulate real-world cyberattacks, identify vulnerabilities, and produce detailed technical and executive reports with actionable remediation advice. A key focus is translating complex security findings for non-technical stakeholders while adhering to strict ethical and compliance standards in a security-cleared context.

SmartSourcing Ltd United Kingdom £60,000 – £80,000 pa

Remote Permanent Clearance Required

Penetration Tester EU

This role involves conducting manual penetration tests on web applications, networks, APIs, and cloud assets using tools like Burp Suite. The focus is on hands-on security testing within a technically strong, award-winning cybersecurity team. The position emphasizes practical testing over administrative tasks, in a fully remote EU-based setup.

The Recruitment Company Dublin, City Of Dublin, Ireland £45,000 – £65,000 pa

Remote Permanent

SC Penetration Tester/ Ethical Hackerp.d OutsideIR35

Conduct penetration testing on public sector and critical national infrastructure systems within an SC-cleared environment. Focus on cloud platforms including Azure and AWS, as well as on-prem infrastructure and containerised environments like Kubernetes. Provide coaching and training support while working remotely with occasional site visits to Manchester, Newcastle, or the North West/North East.

SmartSourcing Ltd Manchester, United Kingdom £650 – £700 pd

Cyber Security Consultant - Penetration Tester

Conduct penetration testing engagements across network, cloud, and web application environments, delivering technical assessments and client-facing reporting. Work collaboratively within a security team while managing independent projects and supporting client scoping discussions. Focus on identifying and communicating security risks clearly to both technical and non-technical stakeholders.

FlexIT Talent Solutions Ltd London, United Kingdom £65,000 pa

Red Team Director

Leads a red teaming function to proactively identify and exploit vulnerabilities in Barclays' IT systems, enhancing cyber resilience through adversary emulation, purple teaming, and real-time collaboration with security operations. Develops offensive security strategy, integrates AI into testing, and strengthens organisational readiness against advanced threats. Works closely with senior stakeholders to influence security investment and control priorities.

Barclays United Kingdom

Security Architect_ Active DV clearance

Design and implement endpoint security solutions and platform controls for air-gapped, offline environments. Develop secure patching, vulnerability management, and data transfer mechanisms while ensuring compliance with UK government security standards including JSP and NCSC guidelines. Produce technical documentation and support penetration testing within highly classified settings.

Randstad Technologies Recruitment Erskine, Renfrewshire, PA8 7AA, United Kingdom £400 – £450 pd

On-site Contract Clearance Required

Cryptography Operations Engineer

This role involves managing cryptographic assets, including encryption keys and HSMs, to ensure data security across enterprise systems. The engineer will monitor, implement, and support cryptographic solutions, conduct security assessments, and contribute to policy and training. Work includes BAU and on-call support within a global 24/7 team, using tools from Thales and Entrust in complex Windows and Linux environments.

Barclays Knutsford, WA16 9EU, United Kingdom

Senior Security Engineer

As a Senior Security Engineer, you will lead the implementation and maintenance of security systems, conduct risk assessments, and manage various security gateways and protocols. You will mentor junior engineers, collaborate with the IT team, and ensure compliance with security standards, acting as a key technical leader in safeguarding sensitive data and systems.

Taylor James Resourcing London, United Kingdom £80,000 – £95,000 pa

Hybrid Permanent Shift-work

Interim Cyber Security Officer

This role involves providing senior-level technical leadership for a Security Operations Centre, with a focus on enhancing capabilities in endpoint detection and response using CrowdStrike Falcon and Splunk Enterprise Security. The candidate will lead configuration, incident response, threat hunting, and SOAR automation, while mentoring internal teams and improving security monitoring. The position requires deep expertise in EDR, SIEM, and security orchestration within a hybrid working environment in London.

Alois Technologies Limited London, United Kingdom £400 – £500 pd

Security Architect - DV Cleared

Design and implement endpoint security solutions, including AntiVirus/EDR and vulnerability management, within air-gapped, high-assurance government environments. Ensure compliance with MOD, NCSC, JSP, and NIST standards while producing technical documentation and supporting accreditation. Collaborate with infrastructure and security teams to deliver secure backend platform capabilities.

CBSbutler Holdings Limited trading as CBSbutler Corsham, Wiltshire, SN13 0HB, United Kingdom £500 – £555 pd

Senior Cloud Security Engineer

This role involves providing expert security guidance and hands-on engineering support to embed robust cloud security practices across a global financial services organisation. The engineer will own and optimise cloud security tooling, respond to incidents as part of an on-call rota, and collaborate with architecture teams to build new SOC capabilities. Emphasis is placed on proactive threat monitoring, continuous improvement of security posture, and clear communication with both technical and non-technical stakeholders.

Hays Technology Bournemouth, Dorset, United Kingdom £50,000 – £65,000 pa

Cyber Security & Infrastructure Engineer

This role involves protecting systems, networks, and data by monitoring security alerts, leading incident response, and improving security posture across on-premises and cloud environments. The engineer will implement and maintain Azure, Microsoft 365, and Intune security, conduct vulnerability management, and ensure compliance with standards like ISO 27001 and NCSC. A key focus is threat detection, forensic investigation, and enhancing infrastructure resilience within a small, technical IT team.

Adria Solutions East Howdon, Tyne & Wear, United Kingdom £40,000 – £50,000 pa

Cyber Security Lead

This role involves leading and improving the organisation's information and cyber security posture across infrastructure, networks, cloud platforms, and business systems. The candidate will develop and maintain the Information Security Management System (ISMS), ensure ISO 27001 compliance, manage risk assessments, and coordinate vulnerability remediation. They will work closely with technical teams and senior stakeholders to embed security best practices and respond to incidents, combining hands-on technical work with strategic governance.

SSA Digital Recruitment Bedford, Bedfordshire, United Kingdom £60,000 – £72,000 pa

Cyber Security & Infrastructure Engineer

This role involves hands-on management of cyber security and IT infrastructure across on-premises and cloud environments, with a focus on threat detection, incident response, and security hardening. The engineer will monitor alerts, conduct forensic investigations, secure Azure and Microsoft 365 environments, and ensure compliance with standards like ISO 27001 and NCSC guidance. A key aspect is leading during incidents and improving organisational resilience through proactive security measures.

Adria Solutions Newcastle upon Tyne, United Kingdom £40,000 – £50,000 pa