Role - Networks-OT_L2

Years of Experience - 8 to 10 years

Location - Pune

Key Responsibilities
Operate 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 production‑impacting 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 rollback plans.
Support secure OT remote access for internal teams and approved vendors.
Ensure access follows defined approvals, monitoring, and security controls.
Manage OT IP addressing, subnet planning, and documentation.
Support firmware upgrades, patching, and lifecycle management of OT devices.
Track EOL/EOS risks and coordinate upgrades during plant shutdown windows.
Coordinate with onsite teams, OEMs, and vendors for break‑fix, RMA, and escalations.
Maintain OT network documentation, diagrams, inventories, and runbooks.
Contribute to RCA and continuous improvement of OT network operations.
Technical Skills:
Strong experience in OT / industrial network operations
Hands‑on experience with industrial Ethernet switching
Experience with OT firewalls (mGuard preferred)
Knowledge of network segmentation, IT/OT separation, and OT security zones
Solid understanding of TCP/IP, VLANs, routing, redundancy, NAT, ACLs, and firewalls
Experience with monitoring tools, incident/change management, and lifecycle activities
Knowledge of Purdue model and OT cybersecurity is desirable