Senior Penetration Tester & Security Advisor — Web​/API

Sanderson is seeking a Senior Information Security Tester to join a growing cyber security team in the United Kingdom. This hybrid role involves conducting web application and API penetration testing while engaging with stakeholders and mentoring junior team members.

The ideal candidate has strong experience in security assessments, practical security guidance, and is a trusted advisor, balancing hands-on technical work with strategic influence. Access to complex environments and a collaborative culture focused on continuous improvement awaits the right candidate.