Job Description:

- We are seeking an experienced IT OT Networking Engineer with expertise in industrial networking OT cybersecurity ICS SCADA systems and network security
- The role involves designing securing and supporting converged IT OT networks across manufacturing utilities energy and industrial environments while ensuring reliability compliance and seamless connectivity

Key Responsibilities:

- Design and support IT OT network architectures following the Purdue Model and defense in depth principles
- Configure and manage VLANs ACLs VRFs OSPF BGP NAT QoS DMZs and network segmentation
- Deploy and administer Palo Alto Fortinet and Cisco firewalls
- Support connectivity for SCADA PLC RTU HMI Historian and IIoT systems
- Implement secure remote access solutions using VPNs Jump Servers and Zero Trust models
- Monitor and troubleshoot network performance using SolarWinds PRTG Zabbix Wireshark Nozomi and Claroty
- Secure industrial protocols including Modbus TCP OPC UA Profinet EtherNet IP DNP3 and BACnet

Technical Requirements:

- 9 to 15 years of experience in Network Engineering including 3 years in OT Industrial environments such as Manufacturing Utilities Pharma Energy or Oil Gas




- Strong expertise in L2 L3 networking Routing Switching VLANs ACLs STP HSRP VRRP OSPF BGP and QoS
- Hands on experience with Cisco Juniper Aruba or HPE networking solutions and Palo Alto Fortinet or Cisco firewalls
- Experience with network services and tools including DHCP DNS NTP IPAM Syslog and Wireshark
- Good understanding of ICS SCADA architectures Purdue Model OT DMZ design Historian connectivity and industrial networking concepts
- Working knowledge of industrial protocols such as Modbus TCP OPC UA Profinet EtherNet IP and DNP3
- Familiarity with OT cybersecurity frameworks and controls including IEC 62443 NIST CSF IDS IPS NAC SIEM and vulnerability management

Additional Responsibilities:

- Robust stakeholder management and communication skills
- Ability to bridge IT and OT requirements effectively
- Excellent troubleshooting documentation and problem solving capabilities

Preferred Skills:

Domain->IOT->IOT-ALL,Technology->Industrial IOT Embedded Software->Control Systems & Acquisition Systems->SCADA,Technology->Industrial IOT Embedded Software->OPC Standards for process control->OPC UA

📌 OT Networking Engineer (India)
🏢 Infosys
📍 India