Senior Network Infrastructure Specialist

Global network infrastructure delivery in Toronto calls for hands-on expertise across routing, switching, and low-latency networking. This senior position supports TDS services worldwide.At TD, the Senior Network Infrastructure Specialist supports TDS electronic-trading platforms and global business operations. The work spans data centers, colocation, WAN, MAN, LAN, SD-WAN, Internet, B2B connectivity, and network security integration. Strong judgment, incident leadership, documentation, and controlled production delivery are central.Key Responsibilities:
Design and implement global TDS network infrastructureSupport low-latency electronic-trading and market-data networksConfigure and troubleshoot Layer 2 and Layer 3 environmentsLead major-incident triage and service restorationExecute controlled production changes and failover testingRequirements:
Significant enterprise network infrastructure experienceAdvanced low-latency and IP multicast knowledgeHands-on Arista and Cisco production experiencePractical Arista Cloud Vision experiencePalo Alto firewall routing and segmentation experienceBring senior network leadership, multicast expertise, and disciplined delivery to TD’s globally supported infrastructure in Toronto.
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