1 to 25 of 26 Remote Penetration Testing Jobs in London

Penetration Testing Team Lead Technology Banking AVP Level Hybrid (London (Moorgate) 3 days per week) Salary & Package TBC Opportunity for a skilled Cyber Security Professional with penetration testing and red team expertise to join a global financial services organisation. This is a hands-on role where you'll simulate advanced cyber attacks, test defences, and influence … enterprise-level security strategy. Key Responsibilities Lead red team operations , penetration testing, and ethical hacking engagements Plan and deliver cyber attack simulations, vulnerability assessments, and social engineering tests Work with SOC teams on purple team exercises to enhance detection and response Produce executive reporting on cyber threats, risks, and remediation progress Collaborate with security and infrastructure teams to … strengthen overall cyber resilience Skills & Experience 3+ years in penetration testing/ethical hacking/red teaming Strong understanding of cyber threats, APTs, threat actor tactics, and exploit development Familiar with SIEM, defensive security monitoring, incident response, and detection engineering Deep knowledge of network, web application, and enterprise architecture security Excellent communication skills to present cyber risk insights More ❯

Penetration Testing Team Lead Technology Banking AVP Level Hybrid (London (Moorgate) 3 days per week) Salary & Package TBC Opportunity for a skilled Cyber Security Professional with penetration testing and red team expertise to join a global financial services organisation. This is a hands-on role where you'll simulate advanced cyber attacks, test defences, and influence … enterprise-level security strategy. Key Responsibilities Lead red team operations , penetration testing, and ethical hacking engagements Plan and deliver cyber attack simulations, vulnerability assessments, and social engineering tests Work with SOC teams on purple team exercises to enhance detection and response Produce executive reporting on cyber threats, risks, and remediation progress Collaborate with security and infrastructure teams to … strengthen overall cyber resilience Skills & Experience 3+ years in penetration testing/ethical hacking/red teaming Strong understanding of cyber threats, APTs, threat actor tactics, and exploit development Familiar with SIEM, defensive security monitoring, incident response, and detection engineering Deep knowledge of network, web application, and enterprise architecture security Excellent communication skills to present cyber risk insights More ❯

are looking for a technically exceptional and visionary Senior Manager to lead our Offensive Security function. This role is both strategic and hands-on, responsible for delivering high-impact penetration testing, attack surface management, and a mature bug bounty program. The ideal candidate will be a transformation leader with deep technical expertise in offensive security and a passion … Security will serve as both a strategic leader and hands-on technical expert, driving the evolution of our offensive security capabilities. This role is accountable for delivering high-impact penetration testing, managing our attack surface, and overseeing a global bug bounty program. With a strong focus on identifying control gaps and advancing purple team maturity, the ideal candidate … a transformation mindset, and a proven ability to lead and inspire high-performing teams in a dynamic, threat-informed environment. RESPONSIBILITIES Technical Leadership & Execution - Personally lead and execute advanced penetration tests, red/purple team exercises, and adversary emulation campaigns across cloud, application, and infrastructure layers. - Identify and exploit vulnerabilities to simulate real-world attack scenarios, validate detection and More ❯

client, a leading global organization, is looking for a skilled Internal Pentester to join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks, and deliver actionable remediation advice. Youll work in a compliance-driven, high … security environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP). Identify and exploit security flaws: insecure authentication, authorization bypass, input validation issues, cloud misconfigurations, AD misuse, etc. Perform internal/external network testing, AD … enumeration, privilege escalation. Automate security testing where possible, integrating IaC and ServiceNow workflows. Simulate real-world attacks using the same techniques and tools as malicious actors. Produce detailed, actionable reports with executive summaries and technical findings. Collaborate with development, cloud, and infrastructure teams on remediation. Keep up to date with latest vulnerabilities, exploit techniques, and pentesting tools. Essential Skills More ❯

Leading the cultural shift towards secure software development across product teams Defining and implementing the software security strategy in line with business goals Collaborating with developers to automate security testing and embed security requirements into the SDLC Supporting penetration testing, vulnerability management, and remediation efforts Acting as a software security SME, advising teams on secure design, risk More ❯

Leading the cultural shift towards secure software development across product teams Defining and implementing the software security strategy in line with business goals Collaborating with developers to automate security testing and embed security requirements into the SDLC Supporting penetration testing, vulnerability management, and remediation efforts Acting as a software security SME, advising teams on secure design, risk More ❯

best practices. Strong analytical and prioritization skills with a pragmatic, risk-based approach to decision-making. Leadership experience Nice to have: If you have come from a development/penetration testing background this would be advantageous for my client. Pen testing experience Certifications (CEH)/OSCP This role is on a hybrid basis with 2 - 3 days More ❯

SIEM query languages (KQL, SPL, AQL), and automation with Python/PowerShell. Deep understanding of incident response, threat detection, and frameworks (MITRE, NIST, CIS). Knowledge of vulnerability scanning, penetration testing, and network traffic analysis. Familiarity with ITIL processes (Incident, Problem, Change). Excellent stakeholder communication, with the ability to mentor and lead from a technical perspective. Desirable More ❯

to proactively enhance the organization's network security posture Ensure compliance with relevant security regulations and standards and assist in audit processes as needed Conduct regular security assessments including penetration testing and vulnerability assessments to identify and remediate potential security risks ESSENTIAL EXPERIENCE 12 years of Proven experience in network security with a strong understanding of network security More ❯

considered suitable you will need the following skills and experience: - Experience in either a Cyber Analyst or Cyber Engineer role - SC Cleared/Clearance - Experience in network audits and penetration testing - Previous experience of delivering Cyber Essentials Plus - Knowledge of security frameworks - Generalist IT security background - Strong communication skills More ❯

AWS security controls, policies, and automation - Role-based and attribute-based access controls - Cryptographic protocols and secure key lifecycle management - Securing microservices, APIs, and DevSecOps best practices Skilled in penetration testing and hands-on coding with JavaScript, Java, or Python Strong understanding of vulnerability scanning, remediation, and vendor management Collaborative mindset with the ability to partner across engineering More ❯

Benefits. About Cyberfort At Cyberfort, we're securing the digital future. As a leading UK provider of cybersecurity solutions, we deliver cutting-edge services in Managed Detection & Response (MDR), Penetration Testing, Security Operations, and Strategic Consulting. We're large enough to offer exciting opportunities, yet agile enough to ensure every voice is heard. At Cyberfort, you're not More ❯

Senior Security Engineer you will implement and maintain robust security systems and protocols across the company's IT infrastructure, conducting risk assessments and vulnerability scans, mitigating vulnerabilities identified in penetration testing and implementing preventative measures to protect against cyber threats with a focus on WAF, IDS, IPS, Windows Security and Palo Alto firewalls. You also manage the 3rd More ❯

Senior Security Engineer you will implement and maintain robust security systems and protocols across the company's IT infrastructure, conducting risk assessments and vulnerability scans, mitigating vulnerabilities identified in penetration testing and implementing preventative measures to protect against cyber threats with a focus on WAF, IDS, IPS, Windows Security and Palo Alto firewalls. You also manage the 3rd More ❯

Senior Security Engineer you will implement and maintain robust security systems and protocols across the company's IT infrastructure, conducting risk assessments and vulnerability scans, mitigating vulnerabilities identified in penetration testing and implementing preventative measures to protect against cyber threats with a focus on WAF, IDS, IPS, Windows Security and Palo Alto firewalls. You also manage the 3rd More ❯

Senior Security Engineer you will implement and maintain robust security systems and protocols across the company's IT infrastructure, conducting risk assessments and vulnerability scans, mitigating vulnerabilities identified in penetration testing and implementing preventative measures to protect against cyber threats with a focus on WAF, IDS, IPS, Windows Security and Palo Alto firewalls. You also manage the 3rd More ❯

environments, driving maturity and constant improvements to support the constantly changing threat landscape and define and monitor KPIs regarding detection, response and containment. You'll also manage 3rd party Penetration Testing and manage key security controls, MSSPs and tolling providers. Location/WFH: There's a hybrid work from home model with three days a week in the More ❯

information and event management (SIEM), user and entity behaviour analytics (UEBA), point products like anti-virus (AV) and intrusion detection system/intrusion prevention system (IDS/IPS) and penetration testing. The Service Delivery team consists of approximately 20 staff who support and operate the Company’s services and there is an opportunity in that team for a Cyber More ❯

extend. Local candidates will be preferred. Skills/experience required: Demonstrable experience in analysing and deconstructing Android applications ( Java essential; native code experience advantageous) Proficiency in vulnerability identification and penetration testing techniques Strong understanding of Android OS security features and architecture Ability to work independently, with excellent attention to detail and analytical skills Comfortable navigating large, unfamiliar codebases … point during the recruitment process, if there is a better way for us to communicate, please do let us know. Developer, Engineer, Programmer, Java, Android, Mobile OS, Malware, Virus, Penetration Test, Threat, OSCP, Cyber, Infosec, Security, Information Security, Pentest #vacancy #jobadvert #recruit #hiring #jobsearch #careers #talent #recruitment #job Circle Recruitment is acting as an Employment Agency in relation to More ❯

Strong knowledge of web/mobile security (OWASP Top 10, API security), cloud security (AWS), and CI/CD pipeline hardening Familiar with SAST/DAST tools, vulnerability scanners, penetration testing frameworks, and monitoring platforms (e.g. Splunk, ELK, Datadog) Understanding of GDPR and data privacy best practices Tremendous opportunity offering plenty of scope for career progression in a More ❯

scoping through to delivery. Key experience Background in managed security services, including SOC operations and threat detection Strong knowledge of cloud and on-prem security tooling (SIEM, EDR, IAM) Penetration testing Proven ability to translate technical concepts into clear business value Confident in customer-facing engagements and pre-sales delivery Experience contributing to bids, proposals, and RFI/ More ❯

on meeting or exceeding sales-related KPIs (you may be required to provide evidence) Working knowledge of at least three of the following technology areas – PaaS, IaaS, SD-WAN, Penetration Testing, MDR/EDR, PowerBI, Ethernet/Broadband, Private Cloud, Databases. More ❯

Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps workflows. This role is ideal for someone who … and development teams, and help improve enterprise security posture. Key Responsibilities Integrate security tools and practices into CI/CD pipelines for continuous validation. Conduct manual and automated security testing on web apps, APIs, pipelines, and cloud infrastructure. Identify and exploit vulnerabilities in CI/CD workflows, IaC, containers, and cloud-native architectures (AWS, Azure, GCP, Docker, Kubernetes). … threat modeling, and secure design review. Proficiency in automating security checks using Jenkins, GitLab, Ansible, or similar tools. Secure coding knowledge and familiarity with common developer pitfalls. Scripting for testing/automation: Python, Bash, Go. Cloud-native and container experience: Docker, Kubernetes, IaC. Cloud security knowledge: AWS, Azure, GCP, and cloud security best practices. Experience collaborating in agile, fast More ❯

Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by More ❯

Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by More ❯