Senior Penetration Tester - Apps, Cloud & Infra

London Stock Exchange Group; Greater London; Vor Ort; GBP 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Healthcare

Retirement plan

Volunteering days

Wellbeing initiatives

Zusammenfassung

London Stock Exchange Group (LSEG) is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and executing penetration tests across a wide range of systems and applications.

You will own engagements end-to-end, document findings with actionable remediation guidance, and collaborate with product teams to improve security posture.

Qualifikationen

• Hands-on experience in web app and API pentesting.
• Ability to automate pentesting tasks.
• Strong knowledge of networks, OS, and security protocols.

Aufgaben

• Conduct in-depth penetration tests on applications, infrastructure, and cloud environments.
• Take full ownership of engagements end-to-end with limited oversight.
• Document findings clearly and provide actionable remediation guidance.
• Collaborate with application teams to scope, execute, and report on security assessments.
• Develop and maintain custom testing tools and scripts.
• Stay current with emerging threats and offensive security techniques.

Kenntnisse

Penetration testing

Offensive security

Cloud security

Report writing

English communication

Tools

Burp Suite

Docker

Kubernetes

AWS

Azure

GCP

Jobbeschreibung

London Stock Exchange Group (LSEG) is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and executing penetration tests across a wide range of systems and applications.

You will own engagements end-to-end, document findings with actionable remediation guidance, and collaborate with product teams to improve security posture.