Global IT Network Manager: IT/OT Segmentation & Security

RRC Solutions Group; Pittsburgh (Allegheny County); On-site; USD 120,000 - 180,000; Full time

Job summary

RRC Solutions Group seeks an IT Network Manager to lead a global enterprise network with deep OT expertise. You will own infrastructure connecting offices, data centers, cloud services, and manufacturing sites, while ensuring uptime and safety through IT/OT segmentation.

The role requires multi-site leadership, Purdue Model knowledge, and strong security controls to protect production networks while enabling global operations. Domestic and international travel may be required.

Qualifications

• 10+ years of enterprise network engineering and operations, with leadership experience.
• 3–5 years of hands-on OT/industrial control network work in manufacturing.
• Demonstrated Purdue Model expertise (Levels 0–5) and IT/OT segmentation.
• Strong knowledge of BGP, OSPF, VLANs, switching, QoS, high availability, SD-WAN/SASE, and NGFW.
• Familiarity with EtherNet/IP, Modbus TCP, PROFINET, OPC UA, PLCs, HMIs, SCADA.
• Willing to travel domestically and internationally and support after-hours changes.

Responsibilities

• Lead the network team; set priorities, standards, budgets, and lifecycle plans.
• Direct global WAN, LAN, WLAN, SD-WAN/SASE, firewalls, VPN/remote access, and UC platforms.
• Design resilient networks; drive incident response, root-cause analysis, and improvement.
• Implement Purdue Model IT/OT segmentation and industrial DMZs between enterprise and plant networks.
• Lead OT network assessments, asset inventories, roadmaps, and secure vendor remote-access practices.
• Collaborate with cybersecurity and plant teams on OT monitoring and vulnerability management.
• Oversee network for site openings, acquisitions, and integrations; manage carriers/partners.
• Coordinate plant change windows and support audits and security controls.

Skills

Enterprise network engineering

Network leadership

OT networking

Purdue Model expertise

IT/OT segmentation

VLANs and switching

SD-WAN/SASE

Firewalls (NGFW)

Industrial protocols (EtherNet/IP/Modb

Global multi-site networks

Education

Bachelor’s degree or equivalent experience

Tools

Fortinet FortiGate/SASE

Cisco/Meraki

Webex Calling

Microsoft Teams Voice

VPN/ZTNA

Job description

RRC Solutions Group seeks an IT Network Manager to lead a global enterprise network with deep OT expertise. You will own infrastructure connecting offices, data centers, cloud services, and manufacturing sites, while ensuring uptime and safety through IT/OT segmentation.

The role requires multi-site leadership, Purdue Model knowledge, and strong security controls to protect production networks while enabling global operations. Domestic and international travel may be required.