OT Network Specialist

Job Description: Role Title:

OT Network Specialist

Location:

Calgary, Alberta

Work Style:

Hybrid

Skills:

Network Routing (WAN Technology): CNS Network Security Cisco Experience Required: 6-8

Key Responsibilities

Configure and deploy OT network equipment (Cisco switches/routers, industrial models, Palo Alto firewalls) across Calgary field facilities.

Implement and support OT segmentation aligned with the Purdue Model (zone/conduit design, firewall policies, VLANs).

Build, configure, and troubleshoot Aruba/SilverPeak SD WAN and integrate with existing OT/wide area networks.

Design and validate routing architecture using OSPF/BGP/EIGRP for high availability and resiliency.

Perform on site cabling verification, testing, and coordination with contractors to ensure compliance with standards.

Configure and optimize WAN links including satellite, wireless, and APN connections for remote sites.

Develop network design documents, implementation plans, runbooks, and as built documentation.

Support cutovers, migrations, and commissioning of OT networks at field sites with minimal downtime.

Troubleshoot network issues across L1–L3 layers, including OT specific constraints and isolated networks.

Collaborate with security, servers, OT, and field teams to deliver stable and secure site networking.

Must Have

Strong experience working in OT/industrial environments with solid understanding of the Purdue Model.

Hands on expertise with Cisco switching & routing, including industrial ruggedized platforms (IE switches).

Experience with Aruba/SilverPeak SD WAN (configuration, orchestration, tuning).

Solid knowledge of dynamic routing protocols (OSPF, BGP, EIGRP).

Familiarity with network cabling standards, testing, and certification processes.

Proven experience in network design, implementation, and technical planning for OT or remote field sites.

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