Responsibilities
Key Responsibilities:
• Design and implement OT network segmentation based on the Purdue Model, including DMZs, industrial firewalls, and secure remote access architectures.
• Deploy and manage RBAC, MFA, jump servers, and vendor access solutions with session monitoring and recording.
• Implement zero trust principles tailored for OT/ICS environments.
• Oversee security of IT OT converged systems, PLC, ICS, and SCADA environments.
• Prepare, validate, and troubleshoot firewall rules for OT zones.
• Maintain accurate OT asset inventories for PLCs, DCS/SCADA, HMIs, historians, engineering stations, and edge devices.
• Manage configuration baselines and secure backups/restore mechanisms including immutable/offline backups.
• Lead risk based vulnerability management, patch cycle planning, compensating controls and OT Change Advisory Board (CAB/MOC) processes.
• Enhance asset management practices and ensure lifecycle security of OT components.
• Manage and enhance OT incident response processes by collaborating closely with site teams and the Security Operations Centre (SOC).
• Lead response and recovery activities during OT cyber events.
• Deploy and optimize endpoint protection, EDR allow listing, NAC, and other monitoring tools.
• Ensure compliance with IEC 62443, NIST 800 82, ISO 27001 and other regulatory/corporate security requirements.
• Conduct cybersecurity assessments (IEC 62443, NIST 800 82, etc), risk evaluations, security reviews, and audits for OT environments.
• Support accreditation activities, define and develop security requirements, assist in the deployment of cyber solutions (e.g., Domain, DNS, WSUS, etc.), perform troubleshooting, and contribute to secure architecture design.
• Identify risks, define mitigation strategies, and track remediation of security gaps.
• Collaborate closely with OT Cybersecurity Architect, IT SOC, OT Governance, regional security teams and operational staff.
• Ensure supply chain security
📌 Senior Manager-OT (Mundra)
🏢 Adani
📍 Mundra