Global IT Network Manager - OT Security for Manufacturing

iLocatum; Pittsburgh (Allegheny County); On-site; USD 180,000 - 260,000; Full time

Job summary

Ilocatum is seeking an IT Network Manager to lead a global enterprise network with a strong focus on industrial OT. The role requires steering IT/OT segmentation, protecting plant floor operations, and aligning networking with manufacturing reliability.

The candidate will oversee WAN/LAN/WLAN, SD-WAN/SASE, firewalls, VPN access, and UC platforms while coordinating with plant engineering, cybersecurity, and executive leadership across domestic and international sites.

Qualifications

• 10+ years in enterprise network engineering/operations.
• 5+ years in network leadership.
• 3-5 years OT/industrial control networking in manufacturing.
• Purdue Model expertise (Levels 0-5) including IT/OT segmentation and Industrial DMZ design.
• Strong knowledge of routing, switching, QoS, high availability, SD-WAN/SASE, and next-gen firewalls.
• Willingness to travel domestically and internationally.

Responsibilities

• Lead, mentor, and develop the network team; own priorities, network standards, budgets, and lifecycle planning.
• Direct global WAN, LAN, WLAN, SD-WAN/SASE, firewalls, VPN/remote access, and unified communications platforms.
• Design resilient, high-availability networks and drive incident response, root-cause analysis, and continuous improvement.
• Develop and implement Purdue Model-based IT/OT segmentation, industrial DMZs, and controlled communications between enterprise and plant networks.
• Lead OT network assessments, asset inventories, plant segmentation roadmaps, and secure vendor remote-access practices.
• Work with cybersecurity and plant teams on OT monitoring, vulnerability management, incident response, and recovery planning.
• Oversee network infrastructure for site openings, acquisitions, and integrations; manage carriers and technology partners.
• Coordinate plant-safe change windows and support audits, cyber insurance reviews, and security controls.

Skills

Network leadership

OT networking

BGP/OSPF/VLANs

SD-WAN/SASE

Vendor management

Education

Bachelor’s degree in a relevant field

Tools

Fortinet FortiGate

Cisco Meraki

OPC UA

Industrial security platforms (Claroty/Nozomi/Dragos)

Job description

Ilocatum is seeking an IT Network Manager to lead a global enterprise network with a strong focus on industrial OT. The role requires steering IT/OT segmentation, protecting plant floor operations, and aligning networking with manufacturing reliability.

The candidate will oversee WAN/LAN/WLAN, SD-WAN/SASE, firewalls, VPN access, and UC platforms while coordinating with plant engineering, cybersecurity, and executive leadership across domestic and international sites.