Penetration Tester

Capital One Capital One · Banking · London, United Kingdom +1

This role focuses on offensive security, performing penetration testing on APIs, web applications, networks, and cloud services to identify vulnerabilities and reduce cyber risk. It involves assessing development practices, triaging findings, and collaborating with developers and stakeholders on remediation.

What you'd actually do

  1. Perform penetration testing of APIs, web applications, networks, and cloud services, as well as related applications and infrastructure.
  2. Assess Capital One’s development practices and help drive corporate security standards.
  3. Help triage and test application responsible disclosure findings and newly disclosed vulnerabilities.
  4. Work with developers to improve the Software Development Lifecycle (SDLC) for applications.
  5. Present findings, risks and conclusions to technical and non-technical audiences.

Skills

Required

  • Information security experience in one or more of the following areas: red teaming, penetration testing, application security, or network security.
  • Strong knowledge of Web, API and mobile application security testing frameworks and methodologies.
  • Familiarity with penetration testing tools such as BurpSuite, OWASP Zap, SoapUI etc.
  • Strong knowledge of application security best practices including OWASP Top 10.
  • Should have a strong understanding of networking concepts, Windows, Linux and Mac operating systems, cloud and web application vulnerabilities and exploitation.
  • Experience with threat modeling concepts and frameworks (CVSS, MITRE ATT&CK, DREAD, or STRIDE)
  • Technical knowledge in software engineering, system and network security, authentication and security protocols, cryptography, and network/web related protocols (e.g., TCP, UDP, HTTP, HTTPS)

Nice to have

  • 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, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C)
  • Penetration testing experience with Internet of Things (IoT) devices, mobile applications, or code review.
  • One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager)

What the JD emphasized

  • application and network security assessments
  • ethical hacking
  • penetration testing