Job Description

OT Network Engineer (IDMZ)

Req ID: TTS159 Locations: Liberty, NC | Princeton, IN | Georgetown, KY Employment Type: Contract – Corp-to-Corp (C2C) Pay Rate: $40 – $45 per hour (C2C) Experience: 10+ years of network engineering Industry: Manufacturing / Industrial Operational Technology (OT)

About the Role

Dhaka Technologies is hiring an OT Network Engineer (IDMZ) to play a pivotal role in advancing industrial and manufacturing technology for a large manufacturing client. This hands-on position uses your enterprise networking expertise to support, secure, and optimize plant-floor and Operational Technology (OT) environments.

You will design and support the Industrial Demilitarized Zone (IDMZ) that connects plant systems to the enterprise network, working side by side with IT, plant engineering, production, and maintenance teams. If you are passionate about integrating industrial systems with enterprise networks and thrive in a dynamic, fast-paced setting, we would love to connect with you.

Key Responsibilities

• Design, implement, and support secure OT network architectures, including IDMZ segmentation between plant-floor and enterprise networks.
• Configure and maintain routing, switching, VLANs, firewalls, and network redundancy across industrial and enterprise LAN/WAN environments.
• Monitor and troubleshoot network performance in high-availability OT environments to minimize production downtime.
• Support plant-floor, automation, controls, and edge-connected systems.
• Plan and execute deployments, maintenance windows, cutovers, and ongoing operational support.
• Apply OT cybersecurity principles and secure network design to protect critical manufacturing systems.
• Partner with IT, plant engineering, production engineering, maintenance, and operations teams to deliver reliable solutions.
• Contribute to OT network standards, deployment procedures, and architecture guidance.

Must-Have Qualifications

• 10+ years of network engineering experience.
• Strong OT / industrial / manufacturing networking experience.
• Enterprise LAN/WAN networking experience.
• Network segmentation and secure network design.
• IDMZ architecture and OT cybersecurity concepts.
• Routing, switching, VLANs, firewalls, and network redundancy.
• Network monitoring and troubleshooting, including high-availability environments.
• Experience supporting plant-floor, automation, and edge-connected systems.
• Experience with deployments, maintenance windows, cutovers, and operational support.
• Ability to work effectively with both IT and plant engineering teams.
• Strong communication, ownership, and troubleshooting skills.

Nice to Have

• Manufacturing, industrial, or plant-floor environment experience.
• Automation, controls, or industrial systems networking.
• Large-scale OT network deployments or plant modernization.
• CCNA, CCNP, CISSP, or similar networking/security certification.
• Experience developing OT network standards, deployment procedures, or architecture guidance.
• Experience working with production engineering, maintenance, and operations teams.

Key Skills

OT Network Engineer, Industrial Network Engineer, IDMZ, Industrial DMZ, Operational Technology, ICS / SCADA Networking, OT Cybersecurity, IEC 62443, Purdue Model, Network Segmentation, Firewalls, Routing, Switching, VLANs, LAN/WAN, High Availability, Plant Floor, Manufacturing, Automation, Controls, Edge Computing, Cisco, CCNA, CCNP, CISSP, Cutovers, Maintenance Windows, Liberty NC, Princeton IN, Georgetown KY

How to Apply

Submit your updated resume through the Dhaka Technologies Careers page. Please include your preferred location (Liberty, NC; Princeton, IN; or Georgetown, KY), availability, C2C employer details, and a summary of your OT/IDMZ networking experience.

Dhaka Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.