2 of 2 White-Box Testing Jobs in London

Senior Penetration Tester

Hiring Organisation
Arcus Search
Location
London Area, United Kingdom
fixes — not just reports. Day to day, you’ll: Hack our own systems to find and fix vulnerabilities before others do Run white-box and black-box pentests across apps, infrastructure, and APIs Triage bug bounty reports and dig into external findings Go beyond … love breaking things to make them better. You don’t just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give practical, actionable remediation ...