OT Networking Engineer
Infosys · Bengaluru · onsite · Posted 50d ago
Undisclosed9–14 yrsfulltimeSourced from
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About this role
Job Summary
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.
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.
- 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 and 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.
- Bachelor of Computer Applications
- Bachelor of Science
- Bachelor of Engineering
- Bachelor of Technology
- 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
Sourced from naukri
Skills
BacnetIEC 62443DNSfirewallscybersecurity frameworksFortinetArubaHSRPControl SystemsEmbedded Softwareindustrial iotEmbedded Systemsindustrial protocolsindustrial networkingCyber SecurityCommunication SkillsCiscocompliance
About Infosys
Infosys
IT Services & Consulting
323.6k+
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1981
45 years old
Bengaluru/Bangalore, Karnataka
India
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