OT Networking Engineer

Job description

## **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:** - Strong 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