Network Analyst III (5+ years) to troubleshoot and manage network performance and capacity within WAN, LAN, Firewalls, and QoS environments 58570 Our financial services client is seeking a Network Analyst III (5+ years) to troubleshoot and manage network performance and capacity within WAN, LAN, Firewalls, and QoS environments
Join a network operations team focused on proactive performance and capacity management across enterprise network infrastructure within a banking environment. This role supports troubleshooting, capacity planning, packet trace analysis, and network optimization across WAN, LAN, Firewalls, SDWAN, and cloud technologies. The position works closely with network architects, engineering teams, and business stakeholders to support ongoing infrastructure growth and operational stability. This is a backfill chance supporting BAU operations within a team of 5 to 7 members.
Contract, Mississauga, 2 days per week currently, but may go up to 5 days per week.
4720 Tahoe Boulevard
1 year (Possibility of extension and conversion to FTE)
Must Haves
5+ years troubleshooting Network Infrastructure including routers, switches, Datacenter switching, VxLAN, ACI(SDN), load balancers, Firewalls, DNS & DHCP, LAN/WAN circuits, and SDWAN
Capacity Planning and performance management within high QoS environments




Hands-on analysis using Extrahop , Riverbed ARX, Netscout Infinistream, and network sniffers for packet trace troubleshooting
Experience within Large Enterprise environments coordinating with internal and external groups on network initiatives
Post secondary education in a related discipline
Nice to Have
CCNP or CCIE certification
Modeling experience using OPNET
Scripting automation knowledge
SQL extraction and data mining experience
Wireless systems and VoIP capacity planning exposure
Responsibilities
Monitor network performance and capacity across WAN, LAN, Firewalls, and related infrastructure
Troubleshoot network performance incidents and analyze packet traces to identify root cause
Analyze network utilization data and recommend infrastructure changes and upgrades
Support high priority enterprise incidents related to application and network performance
Collaborate with network architects and business stakeholders on capacity planning initiatives
Maintain growth models and projections for network infrastructure planning
Assess network areas requiring capacity planning including Firewalls, Load Balancers, and international locations

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📌 Network Analyst III (5+ years) to troubleshoot and manage network performance and capacity within WA (Ontario)
🏢 S.i. Systems
📍 Ontario