23 of 23 Penetration Testing Jobs in London

Position Summary We are looking for a highly experienced New Business Cyber Security Development Director to drive enterprise penetration testing and offensive security engagements valued at £1M+. This role is 100% focused on new logo acquisition. The successful candidate will be responsible for identifying, developing, and closing large … scale security testing opportunities with enterprise organisations, working alongside an experienced team of technicians and cyber experts. You will bring a strong track record of winning complex cybersecurity services deals, particularly in penetration testing, red teaming, and offensive security programmes. You will collaborate closely with our security ...

Role We are looking for a highly experienced New Business Cyber Security Development Director to drive enterprise penetration testing and offensive security engagements valued at £1M+. This role is 100% focused on new logo acquisition. The successful candidate will be responsible for identifying, developing, and closing large-scale … security testing opportunities with enterprise organisations, working alongside an experienced team of technicians and cyber experts. You will bring a strong track record of winning complex cybersecurity services deals, particularly in penetration testing, red teaming, and offensive security programmes. You will collaborate closely with our security consulting ...

Excellent opportunity for a Senior Penetration Tester to join a highly-skilled and growing CREST-certified cybersecurity consultancy committed to excellence, innovation and integrity. The company offers great career progression opportunities, a generous training and development budget, and time to support research projects that allow you to break … predominantly home based although will include some travel to customer sites and attendance at company meetings as needed. The Role at a Glance: Senior Penetration Tester Home based with visits to client sites and company meetings as required Up to £70,000 to £80,000 Per Annum depending ...

Penetration Tester required for a fully remote permanent role. Salary approx. £40-70k DOE We are seeking a Penetration Tester to join a growing cyber security team within a global managed security services provider. This role offers the opportunity to work across public and private sector environments … helping organisations identify vulnerabilities and strengthen their security posture. You will deliver penetration testing and vulnerability assessments across a range of environments while contributing to the development of a growing cyber security practice. Key Responsibilities Conduct penetration tests and vulnerability assessments across client environments Test infrastructure ...

person. In Technology, we're asking that you attend the office a minimum of 1 day per week. About the Role As 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 ...

Penetration Tester (CHECK Team Member) Location: London (Hybrid, 2–3 days onsite per week) Salary: Up to £65,000 (depending on experience) + benefits NOTE: Candidates must be be eligible for UK Security Clearance (SC) This is an opportunity to join a high-performing cyber security team delivering offensive … role in identifying vulnerabilities, assessing risk, and providing actionable remediation guidance, working closely with both technical and non-technical stakeholders. Key Responsibilities Conduct penetration testing across infrastructure, web applications, APIs, and cloud environments Deliver clear, concise, and actionable security assessment reports Translate technical findings into business risk ...

looking for a Penetration Tester for our consultancy client supporting a cyber security programme for a financial services organisation. This is an initial 6 month contract paying up to £800 per day Outside IR35. The role focuses on identifying vulnerabilities across infrastructure, applications and cloud environments as part … organisation’s broader cyber security testing programme. This role allows remote working with occasional travel to London when required. The successful Penetration Tester will possess proven skills working with the following – • Conducting infrastructure, network and web application penetration testing • Identifying vulnerabilities and producing detailed technical reports ...

role, not a GRC, policy, or compliance position. We are looking for a practitioner with a deep background in Application Security, Secure Coding, or Penetration Testing. You must be able to do more than just relay automated scan results; you need to deeply understand standard vulnerabilities, explain them technically … development teams, and validate that the implemented code remediations are effective. Key Technical Responsibilities: Vulnerability Remediation : Analyze penetration test report findings, meet with development teams to explain the technical mechanics of the vulnerabilities (e.g., XSS, SQLi, CSRF), and guide them on how to fix them at the code level. ...

latency-sensitive financial infrastructure ISO 27001, SOC 2, DORA, or equivalent - hands-on implementation, not just audit participation Red team, adversarial simulation, or penetration testing programme design - experience on both sides of the exercise What We're Looking For You are a builder first and a security engineer … latency-sensitive financial infrastructure ISO 27001, SOC 2, DORA, or equivalent - hands-on implementation, not just audit participation Red team, adversarial simulation, or penetration testing programme design - experience on both sides of the exercise What We're Looking For You are a builder first and a security engineer ...

assessments (SIAs) Define and review security requirements for applications and infrastructure Review conceptual, logical, and physical solution designs Manage and oversee vulnerability assessments and penetration testing Support risk identification, remediation, and ongoing risk management Contribute to enterprise security architecture frameworks and standards Perform ISO 27001 compliance assessments … e.g. OWASP, IAM, cryptography) Infrastructure security (networks, endpoints, cloud) Operational security (incident management, DR/BCP, patching) Experience managing or supporting vulnerability assessments and penetration testing Ability to produce high-quality documentation and deliver presentations to stakeholders Strong stakeholder engagement and communication skills Desirable Experience with TOGAF, SABSA ...

frameworks based on IEC 62443, NIST CSF, and other OT-specific standards Develop network segmentation strategies for OT/IT convergence scenarios Conduct security testing in industrial environments while maintaining operational safety Documentation & Compliance Create project deliverables including OT threat and risk assessments, security policies, procedures, and compliance evidence … their security requirements Knowledge of common OT security technologies (firewalls, IDS/IPS, asset management tools) Experience conducting OT security assessments or penetration testing What We Offer: Work on critical infrastructure projects with national significance Structured learning and development within a growing practice Access to Accenture's global ...

Lead cyber risk identification, assessment, and mitigation activities Oversee security architecture to ensure alignment with wider technology strategy Drive continuous improvement through security assessments, testing, and reporting Ensure effective incident detection, response, and recovery capabilities Lead vulnerability management and remediation across all technology environments Oversee third‐party security testing, including penetration testing and phishing simulations Promote a strong cyber‐security culture through training and awareness initiatives Monitor and report on threat intelligence trends and emerging risks About You You will be a strategic and influential cyber security leader with a strong track record of operating ...

Lead cyber risk identification, assessment, and mitigation activities Oversee security architecture to ensure alignment with wider technology strategy Drive continuous improvement through security assessments, testing, and reporting Ensure effective incident detection, response, and recovery capabilities Lead vulnerability management and remediation across all technology environments Oversee third-party security testing, including penetration testing and phishing simulations Promote a strong cyber security culture through training and awareness initiatives Monitor and report on threat intelligence trends and emerging risks About You You will be a strategic and influential cyber security leader with a strong track record of operating ...

high-performing teams to deliver 24/7 threat detection, rapid incident response, and proactive risk management. This includes ownership of security controls, security testing, tech assurance and vulnerability and threat management, and incident response across the organisation. Collaboration is at the heart of this position. By working across … industry activity and methodology, to help ensure key assets are protected. • Lead threat hunts to proactively discover potential compromises. • Lead and coordinate red teaming, penetration testing, and exercising to assess and enhance the quality of services delivered by SOCs. • Red/purple teaming to ensure standard of services ...

regulated UK bank, fintech, or other regulated financial services organisation, with demonstrated engagement on CBEST matters (including oversight of threat led penetration testing) at Board Risk Committee level. Demonstrable experience achieving and maintaining ISO/IEC 27001 certification. Strong background in software application security and mobile security. Experience ...

cloud service provider integrations to ensure appropriate technical and contractual security controls. Support incident response planning and vulnerability management. Define ITHC scope, coordinate penetration testing activities, and prepare pre-assessment documentation. ...

small team, including those with potentially differing skill sets to their own Any experience of driving Technical Assurance, Operational Technology (OT) Security Assurance and Penetration Testing would be a bonus This is an excellent opportunity to lead a critical function within a dynamic organisation, ensuring security resilience ...

small team, including those with potentially differing skill sets to their own Any experience of driving Technical Assurance, Operational Technology (OT) Security Assurance and Penetration Testing would be a bonus This is an excellent opportunity to lead a critical function within a dynamic organisation, ensuring security resilience ...

technical point of escalation when needed Able to support in the onboarding of an external SOC Partner General IT Security experience, including vulnerability scanning, penetration testing, SIEM, firewalls Able to contribute towards the security strategy for the next 2-3 years Able to commute to site 3 days ...

cloud, microservices, identity solutions). * Maintain the security, privacy, and resilience risk register. * Lead security architecture assurance aligned with CAF and NCSC guidance. * Oversee penetration testing, vulnerability management, and remediation activities. * Ensure value for money from cyber security tools and third-party services. * Manage third-party contracts ...

cloud, microservices, identity solutions). Maintain the security, privacy, and resilience risk register. Lead security architecture assurance aligned with CAF and NCSC guidance. Oversee penetration testing, vulnerability management, and remediation activities. Ensure value for money from cyber security tools and third-party services. Manage third-party contracts ...

establishing cybersecurity policies, standards, and procedures. · Manage cybersecurity training & awareness services for clients from design to implementation. · Understanding of security analysis, security events, and penetration testing. Soft Skills: · Strong interpersonal and communication skills; experience with cross-cultural communications. · Calmness and clarity of thought under pressure and ability to maintain ...

Penetration TesterLocation: Remote BasedI am working on an exciting opportunity to join a growing boutique organisation. Previous experience within Security Testing is a bonusYou should be able to demonstrate the following:*Mobile Apps Pen Testing - Android/iOS (Desirable)*Infrastructure - Internal/External*Red Teaming*Web Application ...