GMS - Senior - OT Security
at EY
Location:
Employment Type: full_time
Job Description
<p><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:11.0px">At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. </span></span></p><p> </p><p> </p><p> </p><p> </p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong>OT Security Senior</strong></span></p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong> </strong></span></p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong>Key Responsibilities</strong></span></p><p> </p><ul type="disc"><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Design, implement, and manage security controls for OT/ICS in industrial settings.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Secure industrial networks, including SCADA, DCS, PLCs, RTUs, and IIoT systems.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Implement network segmentation and zoning based on ISA/IEC 62443 and the Purdue Model.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Deploy and manage OT firewalls, IDS/IPS, and network monitoring solutions.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Monitor OT environments for cyber threats, anomalies, and unauthorized activities.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Conduct OT risk assessments, vulnerability analyses, and remediation planning.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Support secure remote access solutions for vendors and engineers.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Collaborate with IT, engineering, and operations teams to align OT security with business continuity.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Assist in incident response and forensic analysis for OT security incidents.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Manage asset discovery, inventory, and baseline configurations in OT environments.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Ensure patch management and change control processes are suitable for OT systems.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Maintain OT security documentation, standards, and procedures.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Support regulatory compliance and audits (IEC 62443, NERC CIP, ISO 27001).</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Participate in security awareness and training for OT stakeholders.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Stay updated on the OT threat landscape, vulnerabilities, and best practices.</span></li></ul><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong> </strong></span></p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong> </strong></span></p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong>Preferred Requirements</strong></span></p><p> </p><ul type="disc"><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Over 3 years of hands-on experience in OT/ICS Security or Industrial Network Security.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Strong understanding of SCADA, DCS, PLCs, RTUs, and industrial protocols.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Experience with industrial protocols such as Modbus, DNP3, OPC, Profinet, and EtherNet/IP.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Hands-on experience with OT security tools (e.g., Nozomi, Claroty, Dragos, Tenable.ot).</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Strong knowledge of networking fundamentals (TCP/IP, routing, switching, firewalls).</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Experience with network segmentation, DMZ design, and secure architecture for OT.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Knowledge of industrial firewalls (e.g., Fortinet, Palo Alto, Cisco, Hirschmann).</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Understanding of OT incident response procedures and safety considerations.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Exposure to secure remote access solutions for OT environments.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Awareness of OT compliance and regulatory standards.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Ability to work in high-availability, safety-critical environments.</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Strong analytical, troubleshooting, and documentation skills.</span></li></ul><p> </p><p> </p><p><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><strong>Relevant Certifications Preferred</strong></span></p><p> </p><ul type="disc"><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">GICSP (GIAC)</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">IEC 62443 Cybersecurity Expert</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">CISSP / CISM (nice to have)</span></li><li style="font-family:arial, helvetica, sans-serif;font-size:10.0pt"><span style="font-family:arial, helvetica, sans-serif;font-size:10.0pt">Good communication skills for collaboration with engineering and operations teams.</span></li></ul><p> </p><p> </p><p><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:11.0px"><b>EY | Building a better working world </b></span></span></p><p><br><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:11.0px"> <br>EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. </span></span></p><p><br><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:11.0px"> <br>Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. </span></span></p><p><br><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:11.0px"> <br>Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today. </span></span></p>