Network Administrator Job Location CA-ON-Toronto Posted Date 3 hours ago(9/23/2025 10:13 AM)   2025-14446   Permanent Full Time   Experienced Building : Address 11 Church St. Postal Code M5E 1W1   Information Technology, Real Estate and Property Management  

 

Title: Network Administrator

 

Reports To: Manager, IT Network

 

Responsibilities

Support & Maintenance:Configure, support, and maintain all local and wide area network (LAN/WAN) connections, fixed-line voice/VoIP networks, associated hardware, software, and communication infrastructure.Administer and maintain all data (production and non-production environments) and telephony networks; liaise with third-party telecom/ISP providers when required.Assist the Corporate Facilities team with desk and office moves, including physical IT asset relocations.Provide escalation support to the Help Desk for incident troubleshooting and issue resolution, proactively identifying and resolving network performance bottlenecks.Partner with the Enterprise Business Applications team during patching, maintenance, upgrades, and application-related activities.Network Operations & Optimization:Troubleshoot and resolve network performance issues; analyze network traffic and provide capacity planning solutions.Plan, design, and implement network improvements, modifications, or replacements, ensuring the stability, scalability, and efficiency of company networks.Monitor system and network capacity to anticipate performance impacts; recommend enhancements to meet evolving business needs.Ensure reliable network and IP connectivity across all workstations, application servers, and back-end infrastructure.Collaboration & Mobility:Provide hands-on support across multiple offices, requiring regular travel to sites within the Greater Toronto Area (GTA) and occasional travel to other provinces.Maintain a regular in-office presence, typically 3–5 days per week.Other:Participating in on-call rotations and after-hours support is necessary.Perform additional duties as assigned by the reporting manager.

Qualifications

Education & Certifications:Diploma/Certificate in Information Technology, Computer Science, or a related technical discipline.CCNA certification or equivalent required; CCNP or CCIE (Routing & Switching) preferred.Security and cloud focused knowledge are preferred.Technical Skills:5+ years of hands-on experience implementing, operating, and troubleshooting enterprise data networks.Strong knowledge of Cisco IOS, Cisco Nexus OS, routing/switching protocols, Cisco VPN & remote access protocols, and Windows desktop operating systems.Demonstrated experience with Cisco UCM platforms and VoIP technologies (preferred).Proficiency with Cisco Meraki SD-WAN and Cisco Firewall technologies.Strong experience with Cisco switches, routers, firewalls, security appliances, and associated networking technologies.Familiarity with Cisco Identity Services Engine (ISE) and role-based access control (preferred).Experience with capacity planning and network performance monitoring tools.Experience with cloud-based networking (Azure, AWS, networking solutions) is an asset.Knowledge of network security best-practices, including VPNs, and endpoint security solutions preferred.Experience with virtualization technologies (VMware/Hyper-V) and wireless networking solutions (Cisco Wireless) is an advantage.Professional Skills:Strong analytical, problem-solving, and troubleshooting abilities.Excellent verbal and written communication skills for technical and non-technical audiences.Ability to work effectively both independently and as part of a cross-functional IT team in a fast-paced environment.Proven ability to meet deadlines and perform under pressure.Flexibility and willingness to participate in after-hours and on-call rotations.