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 driving penetration tests across a wide range of systems and applications The successful candidate will be a skilled offensive security skilled with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork Key Responsibilities Conduct in-depth penetration tests on applications infrastructure and cloud environments Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight Compile technical scoping documents track and document assessment metadata Engagement details who what when where Testing team members and roles Tools and methodologies used Schedule and timelines Target systems and environments Constraints exclusions and limitations Testing activities and event logs Document findings clearly and concisely providing actionable remediation guidance Collaborate with application teams to scope execute and report on security assessments Contribute to team improvement efforts and ensure all initiatives and feedback are well documented for future references Contribute to the continuous improvement of testing methodologies tooling automation Stay ahead of emerging threats vulnerabilities and offensive security techniques Participate in R D initiatives as guided from leadership Support educational sessions and mentoring within the team Develop and maintain custom tools scripts and exploits to support testing activities Required Skills Experience Validated hands-on experience in penetration testing of Web Applications APIs Thick Client and Common Infrastructures Active Directory Cloud and Cloud-native based environments Proficiency with tools such as Burp Suite common command-line tools and ability to write custom scripts when needed Experience in automating pentesting tasks Solid grasp of application securit

📌 Senior Penetration Tester (India)
🏢 London Stock Exchange Group
📍 India