76 to 100 of 334 Penetration Testing Jobs

AI Staff Security Engineer

Hiring Organisation
Matchtech
Location
London, UK
operational 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 adherence … principles.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 ...

AI Staff Security Engineer

Hiring Organisation
Infosec
Location
London, United Kingdom
Employment Type
Permanent
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 ...

Cyber Security Engineer

Hiring Organisation
HSB Technical Ltd
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Permanent
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 ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
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 ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
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 ...

Web Security Engineer JavaScript

Hiring Organisation
Client Server
Location
London, UK
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 ...

Senior Application Security Engineer

Hiring Organisation
Sonos
Location
Glasgow, UK
/CDTest, assess, and design securelyLead and scale threat modeling across cloud, mobile, and embedded domains, including device-cloud-mobile trust boundariesEstablish repeatable security testing practices using automation and targeted manual assessmentScope and coordinate third-party penetration testing engagements across cloud, mobile, web, and connected devices — including … security practices and tooling into CI/CD pipelines Experience using AI tools to automate security practices and previously manual activitiesExperience scoping or coordinating penetration testing engagements and working with the results; experience with IoT or embedded device assessments is a strong plusExperience working with IoT products, connected ...

Senior Business Banking Solutions Specialist

Hiring Organisation
LJ Recruitment Limited
Location
Harrow, London, United Kingdom
Employment Type
Contract
Contract Rate
£80,000
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 ...

Penetration Tester

Hiring Organisation
Claranet Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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 ...

Lead Product Security Engineer (Staff) - Remote UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
banks, and crypto exchanges to investigate financial crime — secure by design. We partner directly with product and platform engineering on threat modeling, design reviews, penetration testing, and remediation of findings across our AWS and Kubernetes estate. As a Staff Product Security Engineer, you'll be the technical lead … platform engineering teams on design, code, and remediation Own Unified Security Review process for new product launches, vendor evaluations, and AI tooling — including custom penetration tests scoped to each review Drive Security Engineering Risk Management Framework, for consistent risk classification and remediation tracking across product Lead the Vulnerability Disclosure ...

VP, Penetration Testing & Security Assessments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
J.P. Morgan in London seeks an Assessments & Exercises Vice President to lead penetration testing across critical apps, platforms and the perimeter. You will design tests, evaluate controls, and drive remediation with developers and risk teams. Successful candidates bring 5+ years of hands-on testing experience, strong security ...

Network Engineer

Hiring Organisation
The Portfolio Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
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 ...

Senior AI Software Engineer for Penetration Testing

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Synack, a security tech company, seeks a Senior Software Engineer (AI) in the UK to design and ship autonomous AI agents for penetration testing within sandboxed environments. You will own end-to-end systems, improve prompts, tool integration and cost optimization while collaborating with security researchers. This remote ...

Senior AI DevSecOps Engineer

Hiring Organisation
WeDoTech
Location
Remote work, United Kingdom
Employment Type
Permanent
Salary
£120000 - £130000/annum
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 ...

Senior AI DevSecOps Engineer

Hiring Organisation
WeDo Technology Solutions Limited
Location
New Works, Telford, Shropshire, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £130,000 per annum
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 ...

HR Systems Consultant

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Vulnerability Researcher

Hiring Organisation
Anson Mccade
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
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 ...

Vulnerability Researcher

Hiring Organisation
Anson Mccade
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Permanent
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 ...

Senior AI Application Security Lead

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Coalfire is seeking a Senior Consultant to join their cybersecurity team in the United Kingdom. The role involves performing penetration testing on client applications and supporting infrastructure. You’ll collaborate with project teams to assess security risks and deliver high-quality reports. With a flexible work model … professional growth. This position requires strong technical skills, at least 4 years of experience in application security or consulting, and expertise in various penetration testing methodologies. #J-18808-Ljbffr ...

Information Security Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
vulnerability management) sufficient to engage credibly with the wider infosec team and its systems. Critically review and challenge supplier technical proposals, architectures and security testing reports (e.g. Soc 2, penetration test reports) ensuring proportionate controls are in place. Provide informed input into security testing scope (e.g. Penetration testing, configuration reviews) and review remediation activity with suppliers. Support incident response and operational infosec activities as required, providing cover and acting as an all-round contributor in a small team. Maintain awareness of ai developments relevant to information security, including both the risks (e.g. Shadow ai, agentic ...

HR Systems Consultant - 11762HS

Hiring Organisation
Proactive Appointments
Location
London, UK
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 ...

Security Architect

Hiring Organisation
Addition
Location
Warrington, Cheshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£90,000 per annum
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 ...

Senior Software Cybersecurity Engineer

Hiring Organisation
Indigo Vision
Location
Midlothian, Scotland, UK
tools to compile SBOMs of software components, helping to identify known vulnerabilities and license compliance violations.Define and oversee the deployment of automated security testing tools into CI pipelines, including Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and Secret Detection scanning tools.Apply a basic level … knowledge and experience in manual network and application security testing to validate controls.Write custom scripts or unit test cases to check for vulnerabilities or broken/missing security controls.Recommend improvements to existing security scanning tools and processes, and propose new ones.Vulnerability ManagementDrive vulnerability management with a strong focus ...

Senior Application Security Analyst - L3

Hiring Organisation
Global Relay
Location
London, UK
collaborate and learn from each other, completely free of barriers.Job PurposeThe Senior Application Security Specialist is a senior technical role leading advanced application security testing, complex vulnerability analysis and threat modelling across the Application & Product Security function. You will provide technical leadership, mentor analysts and specialists … security point of contact for engineering, and contribute to security strategy and standards.Scope & AutonomyLeads testing workstreams and sets the technical approach for complex assessments; acts as an escalation point for L1/L2 and a security partner to engineering.Duties and ResponsibilitiesLead advanced security testing of critical applications ...

Senior Cloud Security Engineer

Hiring Organisation
Hays
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
best practice You will need: Strong knowledge of cloud security across modern environments Advanced knowledge and hands-on experience with attack methodologies and security testing Experience across penetration testing (application and network), AppSec, wireless security and vulnerability management Experience implementing and managing security controls (e.g. DLP, patching ...