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Penetration Testing Manager

Job in London, Greater London, EC3A, England, UK
Listing for: Capital One UK
Full Time, Part Time position
Listed on 2026-03-04
Job specializations:
  • IT/Tech
    Cybersecurity
Job Description & How to Apply Below
White Collar Factory (95009), United Kingdom, London, London Penetration Testing Manager Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and reduce the risk posture of enterprise systems.

This role will be responsible for the identification and exploitation of security weaknesses, providing actionable recommendations, and collaborating with various teams to enhance our security posture.

About this role:

The successful candidate for this position will be part of an exciting and dynamic environment to build and deliver industry leading ethical hacking capabilities to continuously protect and defend Capital One brand, systems and data. Offensive Security is part of the Cyber Operations and Intelligence program and assists with identifying opportunities to enhance Capital One’s information security posture against a broad range of cyber threats, and develop strategies to most effectively address the threats.

What you’ll do:

Leading and overseeing penetration testing of enterprise networks, services, applications, and infrastructure.

Contributing to the development of a comprehensive penetration testing strategy that aligns with the organization's overall security objectives.

Analyzing penetration testing results and providing actionable insights to relevant stakeholders to drive remediation efforts and improve the organization's security posture.

Staying abreast of emerging threats and attack techniques to ensure that the team’s strategy and techniques remain relevant and effective.

Providing mentorship and guidance to foster professional development and enhance the team's overall capabilities.

Working with developers on remediation guidance and improvements throughout the Software CI/CD pipeline.

Clearly and effectively conveying technical information and results to diverse audiences, including senior management and those without a technical background.

What we’re looking for:

Information security experience in one or more of the following areas: red teaming, penetration testing, application security, or network security.

Experience with security testing tools and tradecraft. Able to communicate effectively up, down and across the organization, both verbally and in writing. Including the ability to explain complex technical findings to technical teams and executive audiences.

Proven ability to manage technical staff and projects, perform effective long term planning and implement continuous process improvement practices.

Should have a strong understanding of networking concepts, Windows, Linux and Mac operating systems, cloud and web application vulnerabilities and exploitation. Any of these would be advantageous (but we'd still love to hear from you):

Bachelors Degree or equivalent certification

Security testing of cloud environments. We’re invested with AWS but will consider those who have worked on any other major public cloud provider (Azure, GCP).Experience in offensive security tool development, customization or expansion.

Ability to code comfortably in one or more interpreted languages (eg. Python, Bash, Power Shell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C)
One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager)
Where and how you'll work

This is a permanent position and can be based in either our London or Nottingham Head Offices.  We have a hybrid working model which gives you flexibility to work from our offices and from home. We’re big on collaboration and connection, so you’ll be based in our London Head Office office 3 days a week.

Many of our associates have flexible working arrangements, and we're open to talking about an arrangement that works for you.

What’s in it for you Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an…
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