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J&M Group

Network Administrator

J&M Group
Canada · Full-time · Entry
Role Title: OT Network Specialist

Location: Calgary, Alberta- Hybrid

Experience Required: 6-8

Key Responsibilities

  • Configure and deploy OT network equipment (Cisco switches/routers, industrial models, Palo Alto firewalls).
  • 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.

Key Skills

Ranked by relevance

wan high availability palo alto firewall wireless ospf bgp
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Canada

Express Entry & tech-friendly immigration

Posted
Mar 19, 2026
Type
Full-time
Level
Entry
Location
Calgary
Company
J&M Group

Industries

IT Services IT Consulting

Categories

Information Technology

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