1 to 25 of 54 Penetration Testing Jobs in London

Penetration Testing Lead Location: London, UK (Hybrid) Salary: Competitive + Benefits Employment Type: Permanent Overview We are partnering with a rapidly growing cyber security organisation that has recently undergone a significant acquisition and is entering an exciting phase of expansion and investment. As part of this growth, they … seeking an experienced Penetration Testing Lead to take ownership of their offensive security function. This is a hands-on leadership role that combines technical delivery, team management, and strategic direction across a broad range of cyber security services. You will lead a team of security consultants delivering penetration ...

Security Testing Analyst | London (Hybrid) | £30-35k We are working with a well-established cyber security consultancy that is looking for a Security Testing Analyst to join their growing security testing team. This is a hands-on role with a clear development path - ideal for someone … with around one to two years of experience in vulnerability assessment or junior penetration testing who wants structured progression toward deeper VAPT capability in a real client environment. The consultancy works with clients across regulated industries and PE-backed businesses, delivering penetration testing, VAPT, GRC advisory ...

Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to £450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting … technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk at scale. Rather than carrying ...

Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to £450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting … technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk at scale. Rather than carrying ...

Senior Penetration Tester (AI-Enabled Vulnerability Research) | London Hybrid | £600 per day PAYE + 12.07% Holiday Pay We're supporting a leading global financial services organisation seeking an experienced Senior Penetration Tester to join a high-profile cyber security initiative focused on AI-enabled vulnerability discovery, offensive security … testing and application security assessment. This role combines traditional penetration testing expertise with the use of frontier AI models and advanced security tooling to identify genuine exploitable vulnerabilities across critical applications and internet-facing platforms. The successful candidate will play a key role in validating security findings ...

Penetration Testing Lead Location: London, UK (Hybrid) Salary: Competitive + Benefits Employment Type: Permanent Overview We are partnering with a rapidly growing cyber security organisation that has recently undergone a significant acquisition and is entering an exciting phase of expansion and investment. As part of this growth, they … seeking an experienced Penetration Testing Lead to take ownership... WKCL1_UKTJ ...

Role: Penetration Tester (CHECK Team Member) Location: United Kingdom - Remote Salary: £40,000 - £50,000 Type: Permanent, Full-Time Summary: We're working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations. They're looking for a CHECK Team … Member to join the team, delivering high-quality security assessments across a variety of client environments. This is a great opportunity for an experienced penetration tester with active SC clearance and CHECK status who wants to work on a broad range of challenging engagements. This is a remote position ...

Role: Penetration Tester (CHECK Team Leader) Location: United Kingdom - Remote Salary: £70,000 - £75,000 Type: Permanent, Full-Time Summary: We're working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations. They're looking for a CHECK Team … with a small client site requirement (90% remote, 10% on site average) with all travel expenses covered. Key Responsibilities: Leading and delivering CHECK penetration testing engagements Conducting infrastructure, web application, cloud, and Active Directory security assessments Identifying vulnerabilities and providing practical remediation advice Producing and reviewing clear, high ...

JPMorgan Chase & Co. is hiring an Assessments & Exercises Vice President to enhance cybersecurity strategies. You will perform manual penetration testing on critical applications while collaborating with application developers to identify and mitigate vulnerabilities. The ideal candidate should have at least 5 years of experience in penetration testing ...

ideal candidate will bring deep knowledge of operational technology (OT), rail systems, relevant international cyber security standards (including IEC 62443, TS 50701, IEC 63452), penetration testing methodologies, and the broader transport ecosystem. In addition to technical leadership, the individual will play a key role in supporting business development … standards and frameworks, including: IEC 62443 (Industrial Cyber Security) TS 50701 (Railway Cyber Security) IEC 63452 (Railway Rolling Stock Cyber Security) Conduct or oversee penetration testing activities, vulnerability assessments, architecture reviews, risk assessment and threat modelling for rail clients. Provide expert interpretation of cyber security requirements for railway ...

Contribute to leading-edge security and resilience efforts, advancing protective strategies and propelling continuous improvement. As an Assessments & Exercises Vice President in the Penetration Testing team, you will contribute significantly to enhancing the firm’s cybersecurity or resiliency posture by using industry-standard assessment methodologies and techniques … proactively identify risks and vulnerabilities in people, processes, and technology. As part of the team, your primary responsibility will be performing hands on penetration testing of some of JPMC’s most critical applications, platforms, and the perimeter. You will work with application developers to not only understand root ...

Security Testing Consultant (Pen Tester) Location: London SE1 Salary: £45,000 - £60,000 depending on relevant experience Hours: Full-time, Monday to Friday Work Location: Office-based during probation, then hybrid (3 days office/2 days WFH) Full time/Permanent Remarkable Jobs are recruiting on behalf … dynamic and growing cybersecurity organisation. We are seeking a Security Testing Consultant (Pen Tester) to join their expert team in London SE1. This is a fantastic opportunity for an experienced professional to take on a varied, high-impact role conducting in-depth security assessments across multiple platforms. Security Testing ...

functional (e.g. performance under attack simulations). Prioritises risk mitigation and remediation activities accordingly. Test Planning and Strategy Defines and owns the security testing strategy for products or domains under the cyber security capability, ensuring alignment with organisational risk appetite. Incorporates both functional security tests (e.g. role-based access … checks) and non-functional security tests (e.g. penetration testing, threat modelling). Oversees and coordinates integration of security testing into CI/CD pipelines. This includes static and dynamic code analysis, dependency checks, and container scanning, ensuring teams catch vulnerabilities early. Test Design and Execution Participates ...

premises and cloud platforms to identify security gaps, risks, and improvement opportunities. Own and drive vulnerability management across infrastructure and applications, including vulnerability analysis, penetration testing, exploit research, and remediation tracking. Conduct security assessments across IPTV ecosystems, applications, set‐top boxes (STBs), Android devices, cloud backends, and associated … such as ISO 27001 and NIST CSF. Experience of, or exposure to, vulnerability management processes, including vulnerability assessment, remediation tracking, risk prioritisation, and security testing activities. Understanding of security operations concepts, including security monitoring, incident response, SIEM platforms, managed detection and response (MDR), and threat investigation practices. Knowledge ...

countries. Baseel has some clients in the area of Data Governance who are looking for MDM implementation. Baseel is looking for a part time penetration tester working on a contractual basis, as per the project needs. Mandatory Qualification (any ONE Certification from the list below) Crest Registered Penetration …/RPT Crest Certified Infrastructure Tester (CCT INF) Cyber Scheme Team Member (CSTM) Cyber Scheme Team Leader (CSTL) EC-Council Certified Security Analyst (ECSA - Penetration Testing Practical) EC-Council Certified Penetration Testing Professional (CPENT) Offensive Security Certified Professional (OSCP) Practitioner, Principal or Chartered Security Tester Working ...

security posture. As an experienced Cloud Security Engineer, your working day will include but not be limited to: DevSecOps & SDLC Champion integration of security testing into CI/CD pipelines across all development teams and usage of automated security gates: SAST, DAST, dependency scanning, secrets detection Enable self-serve … mitigation plans Track and remediate vulnerabilities across infrastructure Manage customer initiatives related to due diligence when required to Support and develop annual programme of Penetration Testing and associated remediations Stakeholder Engagement Partner with internal and stakeholder management to support any requirements from the security function - particularly governance ...

organisation. Contribute to the continuous improvement of the organisation's cyber security maturity framework. Security Governance & Compliance Coordinate security assessments, including vulnerability assessments, penetration testing, ethical hacking exercises, and cyber security reviews. Support internal audits, external audits, regulatory reviews, and security assurance activities. Prepare risk assessment reports, management … services, or another regulated environment. Familiarity with industry standards and frameworks such as ISO 27001, NIST, COBIT, or CIS Controls. Exposure to vulnerability management, penetration testing, incident management, or third-party risk assessments. Relevant security certifications such as Security+, ISO 27001, CISM, CRISC, CISSP, or equivalent. Personal Attributes ...

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 ...

mobile channel. We provide a suite of mobile security components, that provides an all-round security posture in mobile apps including associated services (penetration testing, obfuscation, consultancy etc.). Our mission is to build a scalable, adaptable, and proactive approach to securing client's mobile apps, enabling mobile … mobile platform. The key aspect of this role is the design and delivery of a world-class security framework, including associated services (penetration testing, research, consultancy etc.). Role Overview Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile ...

update security policies, procedures, and documentation. Vulnerability Management & Reporting Coordinate regular vulnerability scanning activities across systems, networks, and applications. Analyse vulnerability assessment and penetration testing reports. Prioritise identified risks based on business impact, severity, and compliance requirements. Produce regular reports and recommendations for technical and management teams. Experience … knowledge of penetration testing and web application security would be advantageous. Remediation Coordination Act as a key liaison between cyber security, infrastructure, and operational teams. Track and monitor remediation activities to ensure identified vulnerabilities are addressed within agreed timescales. Work with system owners to reduce security risks ...

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 ...

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 ...

maintain robust security systems and protocols across the organisation 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. … 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 ...

identity flows Strengthen the company’s security posture through offensive security assessments including the identification and exploitation of vulnerabilities across the web platform Perform penetration testing and realistic security exercises to simulate various attack scenarios, to test and improve our detection and response capabilities, and to identify weaknesses … legal/regulatory requirements. What we would like to see from you 5+ years of experience in ethical hacking, vulnerability research, exploit development, penetration testing or being a member of a red team, with significant focus on web application security. Strong hands‐on experience attacking and defending modern ...

Some fully expensed office time will be required during onboarding and for occasional team collaboration. Is this you? Perhaps you're currently working in penetration testing or offensive security consulting but find yourself enjoying the reconnaissance, planning, and investigative side of an engagement more than the exploitation itself. … continuously understand and reduce their external attack surface through structured reconnaissance, asset discovery, technical investigation, and risk-driven analysis. Rather than delivering one-off penetration tests, you'll be helping clients answer the bigger questions-identifying exposed assets, uncovering potential attack paths, validating findings, and prioritising what genuinely matters. ...