26 to 50 of 155 Penetration Testing Jobs in the UK

advanced search techniques and security telemetry to identify malicious activity that may have evaded automated detection. Support vulnerability assessment activities and contribute to security testing initiatives, including exposure to penetration testing and web application security assessments. Develop and maintain cyber security policies, standards, and technical documentation … management skills with the ability to work independently and manage multiple priorities. Desirable Experience performing vulnerability assessments using recognised vulnerability management tools. Exposure to penetration testing and web application security testing. Experience creating and maintaining cyber security policies, standards, and governance documentation. Professional cyber security certifications such ...

that supports how our engineering teams build and operate complex systems at scale.Take the next step in your career.The roleAs a Penetration Tester, you will lead and conduct penetration tests and vulnerability assessments across a wide range of internal systems and security controls. Your work will directly strengthen … overall security posture through continuous testing, actionable insights and collaboration on remediation strategies. Key responsibilities of the role include:Performing in-depth penetration testing across a variety of technologies, including Kubernetes, Jenkins and Windows Domain ServicesDelivering practical, impactful remediation advice to Control Owners based on identified vulnerabilitiesSupporting ...

identify risks, improve controls, support compliance, and promote secure ways of working. Key Responsibilities Lead security assurance activities covering attack surface management, vulnerability management, penetration testing, and security posture improvement. Work with technology and security teams to identify, assess, prioritise, and remediate vulnerabilities across applications, infrastructure, cloud services … risk register management. Contribute to security governance, compliance, and external assessments, including alignment with ISO 27001 and NIST frameworks. Analyse threat intelligence, security testing results, and assurance data to identify priorities and improve organisational resilience. Provide clear security risk reporting and recommendations to senior stakeholders. Support incident preparedness, investigations ...

ability to present effectively to C-Suite leaders Strong understanding of the end-to-end vulnerability-scanning lifecycle and the effective management of penetration testing activities. Excellent security awareness with a proactive approach to continuous improvement Eligible and willing to undergo security clearance vetting Responsibilities for Security Analyst … Conditional Access, MFA, PIM and Identity Protection Implement and maintain Microsoft Sentinel, Purview and the Defender suite Manage the vulnerability-scanning lifecycle and coordinate penetration-testing activities Maintain security and sharing controls across email, SharePoint, OneDrive and Teams, including DLP, sensitivity labels, encryption and removable-media controls Manage ...

Service (SaaS) platforms. Implement and maintain Microsoft Defender , Microsoft Sentinel , Microsoft Purview , and other security technologies . Lead vulnerability management and coordinate penetration testing activities. Secure Microsoft 365 services, including Exchange Online , SharePoint Online , OneDrive , and Microsoft Teams . Implement data protection controls, including Data Loss Prevention … security role. Strong technical expertise in Microsoft Entra ID , Microsoft Defender Suite , Microsoft Sentinel , and Microsoft Purview . Proven experience managing vulnerability scanning and penetration testing programmes. Experience supporting ISO 27001 compliance and coordinating Cyber Essentials and Cyber Essentials Plus certifications. Strong analytical, problem-solving, and risk assessment ...

standards• A new, revenue-generating OT cyber compliance service offering is built, launched, and led from within the OT team• Patching, vulnerability management, and penetration testing happen systematically, with clear ownership and evidence trailsThe post-holder will work in close partnership with the Head of OT Architecture, regional … security architecture, firewall rules, VPN/IPSEC configurations, and vendor remote access controls• Establish and own systematic programmes for OT patching, vulnerability scanning, and penetration testing across managed assets and centralised infrastructure• Lead OT incident response and recovery activities in relation to cyber events, working closely with Group ...

standards• A new, revenue-generating OT cyber compliance service offering is built, launched, and led from within the OT team• Patching, vulnerability management, and penetration testing happen systematically, with clear ownership and evidence trailsThe post-holder will work in close partnership with the Head of OT Architecture, regional … security architecture, firewall rules, VPN/IPSEC configurations, and vendor remote access controls• Establish and own systematic programmes for OT patching, vulnerability scanning, and penetration testing across managed assets and centralised infrastructure• Lead OT incident response and recovery activities in relation to cyber events, working closely with Group ...

NIST, CIS Controls, and Cyber Essentials/Cyber Essentials Plus Support clients with governance, risk, and compliance (GRC) initiatives Review vulnerability assessment and penetration testing findings, providing remediation guidance Advise clients on security strategy, governance, policies, and best practices Assist organisations in improving their cloud security posture Prepare … Maturity Reviews Vulnerability Management Governance, Risk & Compliance (GRC) Cyber Essentials & Cyber Essentials Plus ISO 27001 NIST Framework CIS Controls Cloud Security Security Improvement Programmes Penetration Testing Remediation Desirable Skills Knowledge of Microsoft Security technologies and cloud-native security solutions Experience supporting security strategy development Commercial awareness and ability ...

Graduate Security Consultant/Penetration Tester - Bristol - £28,000-34,000 We're looking for a motivated graduate to join a cyber consultancy team in Bristol and begin building a career in security consulting and penetration testing, with structured mentorship and training from day one. This … offensive security. What you'll be doing: Carrying out security assessments and vulnerability scans across client systems, networks and applications Taking part in penetration testing engagements under guidance and supervision, helping identify and exploit vulnerabilities in client environments Analysing security risks and contributing to recommendations that help clients ...

velocity and enable rapid response to millisecond attack speeds generated by autonomous adversary AI. Execute regular offensive security operations, including AI Red Teaming and penetration testing of generative and agentic systems. Lead the defense against Shadow AI by developing and deploying AI access governance tools and enforcing strict … Enforce secure-by-design principles and integrate security checks into the continuous AI development lifecycle (CI/CD), ensuring coverage for all AI system testing pre and post-deployment. Present complex security concepts (e.g., prompt injection, model drift) to non-technical audiences to drive security awareness and culture across ...

platforms you may be working with include: Cisco Firewalls Cisco Routers Cisco Switches Juniper Platforms SIEM Solutions IDS/IPS Vulnerability Management Tools Penetration Testing Tools Computer Forensic Tools ISO27001 Compliance ITIL Qualifications and requirements for the Cyber Security Engineer: Strong experience with Cisco Firewalls, Routers and Switches … Experience with Juniper networking platforms Hands-on knowledge of SIEM, IDS/IPS and vulnerability management Experience carrying out or supporting penetration testing activities Understanding of ISO27001, GDPR and ITIL best practices Ability to communicate technical cyber security concepts to both technical and non-technical stakeholders Eligible ...

implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. … SSO.* Manage MDM\MAM and Conditional Access* Manage security certificates and keys.* Deliver Cyber Security Awareness Training* Remediate vulnerabilities and weaknesses identified during penetration testing.Experience - EssentialThe successful candidate will have a good working knowledge and experience in managing the majority of the following technology stack * CrowdStrike EDR* Mimecast Mail ...

implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. … SSO. * Manage MDM\MAM and Conditional Access * Manage security certificates and keys. * Deliver Cyber Security Awareness Training * Remediate vulnerabilities and weaknesses identified during penetration testing. Experience - Essential The successful candidate will have a good working knowledge and experience in managing the majority of the following technology stack * CrowdStrike ...

applications. Joining a specialist security team, you'll focus on offensive web security, acting as the bridge between Security and Engineering. You'll perform penetration testing, reverse engineering and vulnerability assessments, identifying security risks and working closely with developers to build secure, resilient web applications from the ground … London office approximately twice a month for innovation sessions and team meetings.About you:You have strong experience in web application security and offensive security testing You have hands-on expertise in penetration testing and reverse engineering You have a deep understanding of modern web security vulnerabilities ...

business banking channel . This is a hands-on banking technology delivery role, responsible for taking the implementation from design and build through integration, testing, security assurance, customer migration, staged rollout, full release and transition into BAU. The new digital banking channel will be based on Temenos Digital , integrated … critical path, dependencies, milestones and delivery risks through to go-live. Lead the project through all key stage gates, including: Design Build Integration testing SIT UAT Security testing Pilot Staged customer rollout Full production release Hypercare and BAU transition Own the end-to-end integration between the digital ...

Essential Roles & Responsibilities As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team … exercises. Key Responsibilities: Undertaking web and mobile application testing and infrastructure testing engagements Using the opportunities provided by the business to improve skills and capabilities into all areas of testing Working with key clients providing bespoke consultancy, analysis and expertise Collaborating with other Claranet Business Units ...

secure connectivity Lead network upgrades across multiple sites with minimal business disruption Deliver infrastructure integration and migration projects Strengthen cyber security through vulnerability management, penetration testing remediation and security best practice Provide 2nd/3rd line technical expertise for complex infrastructure issues Work closely with senior stakeholders, technical … experience including LAN, WAN, VLANs, VPNs and Wi-Fi Experience with firewalls and network security technologies Solid understanding of cyber security, vulnerability management and penetration testing principles Experience delivering infrastructure or networking projects Excellent communication and stakeholder management skills Exposure to Azure infrastructure or cloud networking is desirable ...

real impact. Responsibilities: Lead threat modelling across a portfolio of AI native products. Build, enhance and maintain security tooling and DevSecOps automation. Coordinate penetration testing activities and ensure remediation is delivered. Validate vulnerabilities, separating genuine security risks from false positives. Work closely with engineering teams to embed security … threat modelling and secure software development. Experience building security tooling and automation. Hands on experience with vulnerability management, validation and remediation. Knowledge of penetration testing methodologies and security scanning. Experience working within modern CI/CD environments. Exposure to AI assisted development tools such as Cursor, Codex, Claude ...

real impact. Responsibilities: Lead threat modelling across a portfolio of AI native products. Build, enhance and maintain security tooling and DevSecOps automation. Coordinate penetration testing activities and ensure remediation is delivered. Validate vulnerabilities, separating genuine security risks from false positives. Work closely with engineering teams to embed security … threat modelling and secure software development. Experience building security tooling and automation. Hands on experience with vulnerability management, validation and remediation. Knowledge of penetration testing methodologies and security scanning. Experience working within modern CI/CD environments. Exposure to AI assisted development tools such as Cursor, Codex, Claude ...

project stakeholders and third-party suppliers, you will play a key role in ensuring the successful delivery of the system through data analysis, testing, integrations and implementation support. Key Responsibilities Support the implementation and configuration of the Cezanne HR system. Analyse and validate HR data to ensure accuracy … data migration activities. Work with technical teams on API integrations between Cezanne HR and other business systems. Develop, execute and manage User Acceptance Testing (UAT) . Create and maintain comprehensive test scripts and testing documentation. Coordinate issue resolution during testing and implementation. Support penetration testing ...

real-world threats. The role would suit individuals who enjoy breaking software rather than building it, with many successful candidates coming from backgrounds in penetration testing, red teaming, exploit development, malware analysis or security research. You'll be responsible for investigating complex technical challenges, conducting detailed analysis … technical stakeholders, contributing directly to the development of secure systems and capabilities. What They're Looking For Experience in Vulnerability Research, Security Research, Penetration Testing, Red Teaming or Reverse Engineering. Strong understanding of how software and systems operate at a low level. Experience identifying and analysing vulnerabilities within ...

real-world threats. The role would suit individuals who enjoy breaking software rather than building it, with many successful candidates coming from backgrounds in penetration testing, red teaming, exploit development, malware analysis or security research. You'll be responsible for investigating complex technical challenges, conducting detailed analysis … technical stakeholders, contributing directly to the development of secure systems and capabilities. What They're Looking For Experience in Vulnerability Research, Security Research, Penetration Testing, Red Teaming or Reverse Engineering. Strong understanding of how software and systems operate at a low level. Experience identifying and analysing vulnerabilities within ...

real-world threats. The role would suit individuals who enjoy breaking software rather than building it, with many successful candidates coming from backgrounds in penetration testing, red teaming, exploit development, malware analysis or security research. You'll be responsible for investigating complex technical challenges, conducting detailed analysis … technical stakeholders, contributing directly to the development of secure systems and capabilities. What They're Looking For Experience in Vulnerability Research, Security Research, Penetration Testing, Red Teaming or Reverse Engineering. Strong understanding of how software and systems operate at a low level. Experience identifying and analysing vulnerabilities within ...

project stakeholders and third-party suppliers, you will play a key role in ensuring the successful delivery of the system through data analysis, testing, integrations and implementation support.Key ResponsibilitiesSupport the implementation and configuration of the Cezanne HR system.Analyse and validate HR data to ensure accuracy and integrity.Lead and support … data migration activities.Work with technical teams on API integrations between Cezanne HR and other business systems.Develop, execute and manage User Acceptance Testing (UAT).Create and maintain comprehensive test scripts and testing documentation.Coordinate issue resolution during testing and implementation.Support penetration testing and security validation activities with ...

owners. Undertaking security design governance and updating design artefacts in response to review and assurance feedback. Developing scopes and test plans for functional security testing and penetration testing. Supporting internal and external security testing teams through the planning and delivery of assurance activities. Helping stakeholders reach informed … knowledge of cloud security architecture and principles across IaaS, PaaS and SaaS environments. Experience developing security test plans and working with internal or external penetration-testing teams. Strong knowledge of recognised security standards and frameworks, including CIS, ISO 27000, PCI DSS and NIST. Experience identifying security control gaps ...