1 to 25 of 43 Penetration Testing Jobs in London

Head of Penetration Testing (Hands-on)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Hands on Head of Pen Testing | £85,000 | London, Hybrid We're working with a growing cyber security consultancy looking to hire a Head of Penetration Testing to lead and scale their offensive security capability. This is a hands-on leadership role, ideal for someone from … strong penetration testing background who wants to step into a position where they can own technical delivery, shape a team, and influence the direction of a testing practice - without stepping away from the tools. The Role: You'll take ownership of the organisation's penetration testing ...

CHECK Team Leader Penetration Tester

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
CHECK Team Leader Penetration Tester | Security Cleared | £80-90k | Remote We're working with a leading cyber security consultancy looking to grow their penetration testing capability with the addition of a CHECK Team Leader (CTL) This is an opportunity to join … largest CHECK-accredited, security-cleared testing environments, delivering high-impact testing across complex and highly secure customer estates. The role is primarily remote, with occasional onsite client engagements as required. Salary: £80-90,000 DOE Work Structure: Remote (with UK client visits) Security Clearance: Active or previously held ...

Cyber Security Business Development Director

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

Cyber Security Analyst / Operations Engineer

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 per annum
Support general IT administration and systems management tasks Work closely with internal technical teams on security operations initiatives Gain exposure to SOC operations and penetration testing activities What We’re Looking For Degree in Computer Science, Cyber Security, Information Technology, or a related field Strong understanding of networking … Essential) Previous experience in IT support, cybersecurity, or systems administration Certifications such as CompTIA Security+ or Network+ Exposure to SOC environments, security monitoring, or penetration testing Experience in a client-facing technical role Understanding of endpoint security, vulnerability management, or threat detection tools Why Join Career Development – Opportunity ...

Offensive Security Engineer (Mobile)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
across iOS and Android environments, simulating real-world attack scenarios to identify vulnerabilities before they can be exploited. The role combines hands-on offensive testing, exploit development, research into emerging threats, and close collaboration with engineering teams to ensure vulnerabilities are remediated effectively. This position would suit someone … breaking mobile protections, and staying ahead of evolving threats in areas such as biometrics, authentication, and device compromise. Key Responsibilities: Conduct advanced mobile application penetration testing across iOS and Android Perform reverse engineering, runtime manipulation, and instrumentation attacks Simulate realistic adversarial scenarios including: Rooted and jailbroken devices Emulator ...

Transport Practice Managing Consultant

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
security SME, providing expert knowledge of: Part‐IS and other aviation‐specific security frameworks ISA/IEC 62443 requirements and application to aviation OT Penetration testing techniques relevant to OT and aviation systems Avionics, airport infrastructure, ground systems, airline operational technologies Lead and oversee cyber engagements within … airlines, OEMs, ground handling, avionics suppliers Safety‐critical OT networks and mission‐critical control systems Technical Delivery Perform and/or lead: OT penetration testing Threat modelling and risk assessments Security architecture review for aviation technologies Compliance assessments and gap analyses (Part‐IS, 62443, NIS2 where applicable) Oversee ...

Senior Cyber Security Engineer

Hiring Organisation
Morgan Law
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
network protocols, cloud security (AWS/Azure), and the MITRE ATT&CK Vulnerability Assessment : 2+ years using VA tools would be a bonus Penetration Testing : Exposure to Penetration Testing and Web Application Testing. ...

Senior Cyber Security Engineer

Hiring Organisation
Morgan Law
Location
London, UK
Employment Type
Full-time
network protocols, cloud security (AWS/Azure), and the MITRE ATT&CK Vulnerability Assessment: 2+ years using VA tools would be a bonus Penetration Testing: Exposure to Penetration Testing and Web Application Testing. ...

Head of Information Security, Netherlands

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security posture to the Board and leadership team. 2. Regulatory Compliance & Engagement Ensure full compliance with DORA (ICT risk management, incident reporting, resilience testing, third-party risk), PSD2-SCA, PCI-DSS, SWIFT CSP, GDPR (as it relates to ICT), and EBA guidelines. Act as the primary liaison … practices in accordance with internal policies and regulatory expectations. 4. Third-Party & Outsourced Security Oversight Maintain ownership of all outsourced security activities (e.g., SOC, penetration testing providers), ensuring service quality, SLA adherence, and alignment with security and compliance requirements. Manage the ICT third-party risk lifecycle, including ...

Technical Application Security Consultant

Hiring Organisation
YunoJuno
Location
Uxbridge, England, United Kingdom
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. ...

Cyber Seurity Lead Financial Fintech London

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Support and oversee patching across Linux, Windows, and network systems. Audit and remediate internal policies (firewalls, O365, MDM) with relevant teams. Conduct and manage penetration testing (network, application, infrastructure), including red team and tabletop exercises. Review architecture changes and provide security recommendations. Collaborate with development teams to embed … risk registers, third-party risk, and reporting. Required Skills & Experience 5+ years in hands-on security engineering or security operations. Strong experience in penetration testing across multiple layers. Solid Linux administration and hardening experience (production environment is Linux-based). Knowledge of Windows security & MDM frameworks. Experience with ...

Penetration Tester

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
lead the discovery and implementation of solutions for complex customer problems in an agile, innovative, and team-centric environment. Core Responsibilities Technical Leadership: Lead penetration testing engagements across diverse environments. Problem Solving: Derive security requirements from functional objectives, even when dealing with limited initial knowledge of underlying solutions. … security solutions. Required Skills & Qualifications Technical Expertise CHECK Team Member (CTM) status: Candidates must currently hold a valid CHECK Team Member exam certification. Broad Penetration Testing Knowledge: A deep understanding of various specialties, including infrastructure, applications, and cloud testing . Adaptive Analysis: Demonstrable ability to identify security ...

Business Development Manager

Hiring Organisation
TechNest Talent
Location
London, United Kingdom
Employment Type
Permanent
Salary
£50,000
market strategy and target sectors. Working closely with technical teams and leadership, youll be instrumental in driving adoption of a subscription-based penetration testing offering across a range of high-value industries. Key Responsibilities Own the full end-to-end sales cycle, from lead generation to closing deals … financial services, defence, government, and critical infrastructure Build and manage a strong, self-generated pipeline Drive adoption of a subscription-led cyber security testing model Work closely with technical consultants to scope solutions and develop proposals Represent the business at industry events and through your network Provide market insights ...

Business Development Manager

Hiring Organisation
Investigo
Location
Bromley, England, United Kingdom
join their growing cyber security consultancy at a pivotal stage of its expansion. The business has built a strong reputation delivering services such as penetration testing, vulnerability assessments, and purple teaming, and is now looking for a Business Development Manager to lead sales activity and drive new business … lead a future sales team. Key Skills required: Proven track record in business development within cyber security services. Strong understanding of services such as penetration testing or related areas. Experience closing deals within the £10k–£200k range. Ability to operate effectively in a small, high-growth consultancy environment. ...

Security Test Lead

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Security Testing Practice Lead | £80-85k | London (Hybrid) We're working with a growing cyber security consultancy looking to hire a Security Testing Practice Lead to take ownership of their security testing function. This is a hands-on leadership role, combining technical delivery with practice growth … tech. Salary: £80-85,000 Location: London (2 days onsite) The Role: You'll be responsible for leading and scaling the security testing practice, ensuring high-quality delivery across engagements while shaping the future direction of the service offering. This includes owning delivery standards, supporting commercial activity, and mentoring ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon
Location
London, UK
Employment Type
Full-time
security issue, do so. Facilitate risk remediation but also challenge decisions and status-quo. Facilitate in assurance activities like penetration testing, purple testing, app assurance. Build quarterly/monthly roadmaps for security activities and plan them. You will need To excel in this position, we expect ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
security issue, do so. Facilitate risk remediation but also challenge decisions and status-quo. Facilitate in assurance activities like penetration testing, purple testing, app assurance. Build quarterly/monthly roadmaps for security activities and plan them. You will need To excel in this position, we expect ...

CHECK Team Leader Penetration Tester

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
CHECK Team Leader Penetration Tester Security Cleared £80-90k Remote We're working with a leading cyber security consultancy looking to grow their penetration testing capability with the addition of a CHECK Team Leader (CTL) This is an opportunity to join … largest CHECK-accredited, security-cleared testing environments, delivering high-impact testing across complex and highly click apply for full job details ...

Senior Penetration Tester

Hiring Organisation
Arcus Search
Location
London Area, United Kingdom
Senior Penetration Tester What You’ll Do You’ll be on the front lines of our security efforts, thinking like an attacker to help us stay one step ahead. As a Senior Offensive Security Engineer, you’ll break things (responsibly), uncover weaknesses, and help us build stronger, more resilient … curious, pragmatic, and love breaking things to make them better. You don’t just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give ...

Information Security Manager

Hiring Organisation
GlobalData UK Ltd
Location
London, United Kingdom, Blackfriars
Employment Type
Permanent
desirable) Technical Skills Security architecture and cloud security (AWS) SIEM, EDR and SOC tools ISO 27001/ISO 42001 implementation Vulnerability management and penetration testing oversight Data protection, encryption and privacy controls Third-party risk management tools and processes Leadership & Competencies Inspiring leader who develops teams and delegates ...

Mandarin speaking Information Security Manager (Banking)

Hiring Organisation
People First
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Security Monitoring Oversee cyber security measures including vulnerability management, access control, security monitoring and incident detection. Ensure regular vulnerability assessments, security reviews and penetration testing are conducted. Incident Management Establish and maintain procedures for managing information security incidents. Coordinate investigation, response and reporting of cyber security incidents. Operational ...

Senior Security Operations Analyst

Hiring Organisation
EFCI Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
automate our Azure Sentinel capabilities. Incident Response: Investigate real-world threats (malware, phishing, cloud misconfigurations) and ensure rapid remediation. Vulnerability Management: Conduct regular assessments, penetration testing, and risk analysis. Compliance & GRC: Maintain SOC 2 Type II accreditation and lead ISO 27001 readiness. Administer compliance platforms like Drata. DevSecOps ...

Deputy Chief Information Security Officer (VP Level)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ensure the company's SaaS products are built and operated to the highest standards. You'll play a key role in vulnerability management, pen testing, bug bounty operations, and cloud‐native security controls across AWS, Azure, and GCP On the security operations side, you'll help lead a global ...

Senior Cyber Security Engineer

Hiring Organisation
Cameron Kennedy
Location
London, UK
Employment Type
Full-time
Advanced Splunk (SPL + Enterprise Security) expertise Solid understanding of networks, cloud (AWS/Azure), and MITRE ATT&CK Bonus: Vulnerability Assessment and Pen Testing experience MUST HAVE LOCAL GOVERNMENT EXPERIENCE Certifications (desirable): Splunk Certified Cybersecurity Defense Engineer (highly preferred) CrowdStrike certifications (CCFA, CCFR, CCSE) CISSP, GCIH, or similar ...

Senior Cyber Security Engineer

Hiring Organisation
Cameron Kennedy
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
Advanced Splunk (SPL + Enterprise Security) expertise Solid understanding of networks, cloud (AWS/Azure), and MITRE ATT&CK Bonus: Vulnerability Assessment and Pen Testing experience MUST HAVE LOCAL GOVERNMENT EXPERIENCE Certifications (desirable): Splunk Certified Cybersecurity Defense Engineer (highly preferred) CrowdStrike certifications (CCFA, CCFR, CCSE) CISSP, GCIH, or similar ...