We are looking for an experienced Network Administrator to support a retail organization in North York, Ontario. This Long-term Contract position is ideal for someone who is confident managing network infrastructure, server environments, and endpoint systems in a fast-paced operational setting. The successful candidate will play a key role in maintaining secure, reliable technology services while resolving complex technical issues across the business. Responsibilities: • Administer and support firewall and network environments, including Check Point, FortiGate, FortiManager, and Cisco infrastructure, to maintain security and performance. • Oversee the configuration, maintenance, and ongoing support of Windows Server environments, Active Directory, and Microsoft 365 services across hybrid and on-premises systems. • Set up, manage, and troubleshoot servers and endpoint management tools to ensure consistent device deployment, policy enforcement, and operational readiness. • Provide advanced technical support for infrastructure incidents, resolving escalated issues efficiently and minimizing disruption to day-to-day operations. • Maintain and improve network reliability by performing regular upgrades, patching activities, and preventative maintenance across core systems. • Support cloud-connected and on-site technologies, including exposure to Microsoft Azure and Aruba GreenLake Cloud Controller environments. • Assist with retail technology operations by supporting store-related hardware, network-connected equipment, and specialized business applications. • Investigate system and connectivity problems independently, identify root causes, and implement practical solutions with limited supervision.

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North York, ON
remote
Temporary
42.75 - 49.50 CAD / Hourly
We are looking for an experienced Network Administrator to support a retail organization in North York, Ontario. This Long-term Contract position is ideal for someone who is confident managing network infrastructure, server environments, and endpoint systems in a fast-paced operational setting. The successful candidate will play a key role in maintaining secure, reliable technology services while resolving complex technical issues across the business. Responsibilities: • Administer and support firewall and network environments, including Check Point, FortiGate, FortiManager, and Cisco infrastructure, to maintain security and performance. • Oversee the configuration, maintenance, and ongoing support of Windows Server environments, Active Directory, and Microsoft 365 services across hybrid and on-premises systems. • Set up, manage, and troubleshoot servers and endpoint management tools to ensure consistent device deployment, policy enforcement, and operational readiness. • Provide advanced technical support for infrastructure incidents, resolving escalated issues efficiently and minimizing disruption to day-to-day operations. • Maintain and improve network reliability by performing regular upgrades, patching activities, and preventative maintenance across core systems. • Support cloud-connected and on-site technologies, including exposure to Microsoft Azure and Aruba GreenLake Cloud Controller environments. • Assist with retail technology operations by supporting store-related hardware, network-connected equipment, and specialized business applications. • Investigate system and connectivity problems independently, identify root causes, and implement practical solutions with limited supervision.
2026-11-07T00:00:00Z

Network Administrator Job in North York, ON | Robert Half