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We are seeking an OT Network Engineer (and Senior) to play a hands-on role in supporting and expanding secure, reliable operational technology networks across its manufacturing sites. This position focuses on ensuring critical network connectivity that keeps production running efficiently, while partnering closely with IT, automation, and cybersecurity teams. The role offers the opportunity to work with advanced industrial networking technologies, contribute to digital manufacturing initiatives, and make a direct impact on plant operations in a fast-paced, high-growth environment. This role can sit in Greensburg, IN or Jackson, TN.
Job Responsibility
Supporting and expanding secure, reliable operational technology networks across its manufacturing sites
Ensuring critical network connectivity that keeps production running efficiently
Partnering closely with IT, automation, and cybersecurity teams
Working with advanced industrial networking technologies
Contributing to digital manufacturing initiatives
Making a direct impact on plant operations
Requirements
3+ years network administration experience, including 2+ years in OT/industrial networks
Experience in manufacturing/industrial environments
Strong troubleshooting and hands-on network support experience
Understanding of OT vs. IT networking differences
Experience with OT networking components (switches, firewalls, monitoring)
Knowledge of industrial network connectivity (production/plant systems)
CCNA certification
Familiarity with industrial protocols (OPC, Modbus, PROFINET, CIP, DNP3)
Ability to work onsite in plant environments and collaborate with operations teams
Nice to have
Cisco industrial networking (Industrial Ethernet, Firepower, ISE, Catalyst Center)
Exposure to Fortinet environments
Zabbix monitoring experience
SCADA experience
OT security tools (Cyber Vision, Stealthwatch)
Purdue Model knowledge (Level 1-3 depending on seniority)
Experience with IEC standards (60870-5-101/104, 61850)