Job Title: OT Network Engineer-Walkin Drive
Function: Network Services / Operational Technology
Location: Pune
Location Details: Tata Consultancy Services, Pune Maan, Sahyadri Park, Plot No. 2 & 3, Phase 3, Rajiv Gandhi Infotech Park, Maan, Hinjawadi, Pune, Maharashtra 411057 (SP1)

Role Purpos
eThe OT Network Engineer is responsible for operating and supporting OT network environments across factories and industrial sites. The role ensures reliable, secure, and resilient OT connectivity supporting plant operations, including industrial switching, OT firewalls, monitoring, incident response, remote access, lifecycle management, and network changes with minimal production impact
.The engineer works closely with plant OT teams, central IT, security teams, onsite support, and vendors to deliver OT network services safely and reliably
.Key Responsibilitie
sOperate and support OT LAN and connectivity services across manufacturing sites
.Ensure network health, availability, and performance aligned with plant constraints and SLAs
.Support centralized remote operations for OT environments




.Manage industrial switching environments and plant connectivity
.Configure, troubleshoot, and optimize switches, VLANs, segmentation, and redundancy
.Support industrial protocols such as PROFINET, Modbus, and EtherNet/IP
.Support OT firewalls (e.g., mGuard or equivalent)
.Implement firewall rules, segmentation, NAT, and secure communication paths
.Align OT network changes with cybersecurity and plant security requirements
.Coordinate with security teams on hardening, patching, vulnerabilities, and secure remote access
.Monitor OT networks using approved tools
.Troubleshoot and resolve incidents, especially productionimpacting issues
.Participate in major incidents and maintain accurate ITSM updates
.Execute planned OT network changes within approved processes and maintenance windows
.Support upgrades, new site rollouts, and design changes
.Maintain configurations, backups, baselines, and ro

📌 OT Network Engineer-Walkin Drive (India)
🏢 Tata Consultancy Services
📍 India