1 to 25 of 46 Penetration Testing Jobs in London

Cyber Security Consultant (Penetration Tester)

Hiring Organisation
Moore Kingston Smith
Location
London, UK
Moore Kingston Smith is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will join an NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors.This is a hands … role focused on delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments and wider technical security reviews, including vulnerability assessments, configuration reviews against recognised benchmarks, and cloud security reviews. You will identify and safely validate security weaknesses ...

Penetration Tester

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
London, United Kingdom
Employment Type
Permanent
seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across areas … such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies. The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent opportunities ...

Penetration Testing Lead

Hiring Organisation
Tribe Appointments Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This is an opportunity … lead a talented team, shape the future of our Offensive Security services and remain hands-on with complex testing engagements, including emerging AI and LLM security testing. Reporting to the Managing Director, you'll combine technical leadership, people management and client engagement to ensure exceptional service delivery while helping ...

Senior Consultant - Offensive Cyber Security

Hiring Organisation
Appcast
Location
London, UK
join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries.The purpose of this role is to deliver our offensive security services … including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries.You’ll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue to develop ...

Senior Penetration Testing Consultant

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Security Penetration Testing Consultant Location: London, Gloucester, Guildford, Manchester, Leeds or Frimley (Occasional office work, with 25% International Travel) Salary: Competitive Who we are Join … space - there's no limit to where a career at BAE Systems could take you. Role Description Delivery of end-to-end security testing engagements, including scoping and client wash-up meetings. Performing application testing, web and mobile tests, infrastructure testing, objective based tests, and intelligence ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
DevSecOps processes. Review and analyse SAST, DAST and Software Composition Analysis (SCA) findings. Work closely with development teams to prioritise vulnerability remediation. Define security testing requirements and support penetration testing activities. Produce security standards, technical guidance and best practice documentation. Act as the Application Security SME across … MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins Azure DevOps Security Automation Shift Left Security Security Testing SAST DAST SCA Vulnerability Management Penetration Testing Cloud Security AWS, Azure or GCP Kubernetes Docker Container Security Cloud Security Best Practices Security ...

Senior Penetration Tester

Hiring Organisation
Appcast
Location
London, UK
collaborate in person. In Technology, we're asking that you attend the office a minimum of 1 day per week.About the RoleAs an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … operated securely.This is a collaborative role - you’ll directly interact with multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework.Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable ...

Interim Cyber Security Officer

Hiring Organisation
Alois Technologies Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
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 ...

Interim Cyber Security Officer

Hiring Organisation
Alois Technologies Limited
Location
London, United Kingdom
Employment Type
Contract, Temporary
Salary
£400 - £500/day
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 ...

Penetration Tester

Hiring Organisation
Appcast
Location
London, UK
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 ...

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 ...

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
Appcast
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 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 ...

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 ...

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 ...

HR Systems Consultant - 11762HS

Hiring Organisation
Appcast
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 ...

Infrastructure Security Design

Hiring Organisation
NTT DATA
Location
London, UK
endpoint protectionAssist in integrating security tools with existing infrastructure under supervisionConfigure security monitoring rules and alerts based on approved templatesSupport security technology testing and validation activitiesMaintain security tool inventories and configuration documentationTroubleshoot basic security technology issues with senior guidanceSecurity Configuration and Hardening Apply security hardening standards to servers, workstations … supervisionDocument security procedures and operational workflowsContribute to knowledge base articles and technical wikisPrepare routine security status reports and metricsMaintain project documentation and deliverable repositoriesSecurity Testing and Validation Perform straightforward security testing activities under supervisionConduct vulnerability scans and analyze results with guidanceValidate security control implementations against requirementsSupport penetration ...

Penetration Testing Lead

Hiring Organisation
Tribe Appointments Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This is an opportunity … lead a talented team, shape the future of our Offensive Security services and remain hands-on with complex testing enga click apply for full job details ...

Penetration Testing Lead

Hiring Organisation
Tribe Appointments Ltd
Location
London, UK
Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This is an opportunity … lead a talented team, shape the future of our Offensive Security services and xkybehq remain hands-on with complex testing enga Want to apply Read all the information about this position below, then hit the apply button. Please click on the apply button to read the full job description ...

HR Implementation Analyst

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 ...

Trainee Penetration Tester Programme No Experience Required

Hiring Organisation
NEWTO TRAINING LIMITED
Location
North London, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
Trainee Penetration Tester Programme No Experience Required *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Penetration Testing but don't know where ...

Application Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
incidents - Implement and manage SAST/SCA tooling across application repositories to identify source code risks - Scale automated DAST solutions across applications to maximise testing coverage - Carry out penetration testing on internally developed applications Required Skills/Experience: - Experienced in application security focussing on red, blue ...