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 for critical industrial and OT/ICS components.
Contr

📌 Senior Manager-OT (Mundra)
🏢 Adani Enterprises
📍 Mundra