EY's Global Delivery Services (GDS) is seeking a Senior OT Security professional to join our Cyber Architecture Operational Technology & Engineering (CAOE) team. This role is integral to supporting clients in addressing complex operational technology security challenges. You will contribute to developing effective solutions and enhancing security posture within client IT/OT environments through advisory and implementation support. Join a dynamic, globally connected organization committed to building a better working world.

Monitor Operational Technology (OT) networks using specialized OT SOC and network monitoring tools. Analyze alerts from OT security solutions to identify suspicious activities and indicators of compromise within Industrial Control Systems (ICS) environments. Perform Level 2 alert triage and investigation for OT incidents, supporting incident response activities. A strong understanding of operational processes, OT/ICS technologies, communication protocols, cyber/information security concepts, risk management, and functional safety (SIS) is essential. Experience with OS and database security, alongside prior work with delivery leads and architects on risk management, is advantageous.

A completed technical higher education in industrial automation, computer science, electronics, or a related field is required. Essential qualifications include 5+ years of experience in Cyber Security and OT Security, a minimum B.Tech. or equivalent educational qualification, ISA/IEC 62443 Fundamentals Specialist, CompTIA Network+, CompTIA Security+, and Cisco CCNA (Industrial) certifications. Familiarity with OT network monitoring solutions and relevant security tools is highly beneficial, as is knowledge of OT-ICS Security standards and IT/OT/IoT communication protocols.