Senior OT Network Architect: Secure Industrial Connectivity

NextGen | GTA: A Kelly Telecom Company

Liberty (NC)

On-site

USD 120,000 - 180,000

Full time

27 hours ago

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Job summary

NextGen | GTA: A Kelly Telecom Company is seeking a Senior OT Network Engineer to design, deploy, and secure OT networks across manufacturing environments. You will implement IDMZ, segmentation, and zero-trust principles to safeguard plant-floor operations.

You’ll lead fabric automation with Cisco SD-Access and collaborate with IT and plant teams to translate operational needs into robust network solutions. A strong background in OT security and network design is required.

Qualifications

10+ years of network engineering experience or equivalent practical experience.
Hands-on routing, switching, LAN/WAN, and high-availability environments.
Experience designing or securing OT networks in manufacturing/plant settings.
Knowledge of segmentation, zero-trust, and IDMZ design.
Strong communication, problem-solving, and stakeholder collaboration skills.
Bachelor’s degree in a STEM field or equivalent experience.

Responsibilities

Deploy, modernise, and manage OT network infrastructure across industrial environments.
Design secure network architectures using IDMZ and micro-/macro-segmentation.
Implement Cisco SD-Access to support fabric automation and access control.
Troubleshoot complex network incidents and coordinate upgrades and maintenance.
Partner with IT and plant teams to translate operational needs into secure solutions.
Mentor local technical teams on OT networking and security fundamentals.