Network Administrator
J&M GroupCanada8 hours ago
Full-timeRemote FriendlyInformation Technology
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Role Title: OT Network Specialist
Location: Calgary, Alberta- Hybrid
Experience Required: 6-8
Key Responsibilities
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.
- 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
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