OT Network Engineer - Manufacturing Operations

Peak to Creek Precision Staffing is recruiting an OT Network Engineer for an established manufacturer in Jackson, Tennessee. In this hands-on role, you will help keep production connected, protect industrial systems, and support the transition to smarter manufacturing. You will be the primary technical resource for the plant’s OT network, working closely with automation, IT, cybersecurity, operations, and maintenance teams. What You’ll Do

• Design, configure, deploy, and maintain industrial switches, routers, firewalls, wireless networks, and secure remote connectivity.
• Monitor network health, troubleshoot incidents, and restore service quickly to minimize production disruption, supporting critical network availability above 99.5%.
• Support reliable connectivity for PLCs, SCADA, HMIs, industrial control systems, and other connected manufacturing equipment.
• Implement OT network segmentation using Purdue Model principles; support secure remote access, infrastructure hardening, patching, and vulnerability remediation.
• Partner with cybersecurity teams on risk assessments, incident response, root cause investigations, and audit readiness aligned with ISA/IEC 62443 principles.
• Manage hardware and firmware lifecycles, configuration backups, network diagrams, asset inventories, disaster recovery procedures, and controlled network changes.
• Coordinate with equipment vendors and system integrators on production integrations, plant expansions, and Industry 4.0 projects.

• 3-7 years of experience in network engineering, network administration, or infrastructure support, including at least 2 years in manufacturing, industrial, or OT environments.
• Bachelor’s degree in IT, computer science, engineering, industrial technology, or a related discipline; equivalent experience will be considered.
• Hands-on experience with Ethernet, routing, switching, wireless networks, firewalls, and VPN connectivity.
• Working knowledge of industrial protocols such as OPC, Modbus, PROFINET, CIP, and DNP3.
• Experience troubleshooting infrastructure that supports production or industrial systems.
• Strong communication, teamwork, and problem-solving skills.
• CCNA certification or the ability to obtain it within 12 months of hire.

Preferred Experience

• Cisco Industrial Ethernet platforms; Cisco Firepower, ISE, Catalyst Center, or comparable solutions.
• OT cybersecurity monitoring tools such as Cisco Cyber Vision.
• Experience with Purdue Model architecture, PLCs, SCADA, and industrial control systems.
• Knowledge of ISA/IEC 62443 security concepts.
• CCNP or an equivalent advanced networking certification.

• Base salary of $103,700-$163,020, with employee incentive programs.
• Comprehensive benefits, retirement and savings programs, and wellbeing resources.
• Tuition reimbursement and professional learning opportunities.
• Exposure to advanced industrial networking, OT cybersecurity, and manufacturing modernization.
• Paid annual volunteer day and opportunities for community involvement.

Work Environment: Regular onsite presence in an active manufacturing facility is required. Limited travel to other manufacturing locations may be needed for projects and operational support. Interested in putting your networking skills to work where they directly affect production? Apply or contact Peak to Creek Precision Staffing to learn more.