Administrator, Network

Join to apply for the Administrator, Network role at Dollarama. Job Summary We are seeking a highly skilled Network Operations Administrator with a strong background in managing large‑scale, multi‑site network infrastructures, preferably in the retail sector. The ideal candidate will have experience with Fortinet technologies (FortiGate, FortiManager), Cisco Nexus switching, VXLAN, NSX‑T, and cloud platforms such as Google Cloud Platform (GCP) and Microsoft Azure. This role involves maintaining, securing, and optimizing our hybrid network environment, supporting both on‑premises and cloud‑based infrastructure, and participating in a rotating 24/7 on‑call schedule. Key Accountabilities Network Infrastructure Management Configure, monitor, and maintain FortiGate firewalls and FortiManager. Perform firmware upgrades across Cisco and Fortinet devices. Administer Cisco Nexus switches, routers, and wireless controllers (AirOS/IOS‑XE). Implement and manage VXLAN overlays for network segmentation and virtualization. Support Cisco ISE for identity‑based network access control (Radius/TACACS). Manage and troubleshoot NSX‑T environments for network virtualization and microsegmentation. Manage and optimize network connectivity in GCP and Azure environments. Automation & Monitoring Develop and maintain Python scripts for network automation and operational efficiency. Implement proactive monitoring and alerting using SolarWinds and other tools. Troubleshooting & Support Provide advanced troubleshooting for network‑related issues, ensuring minimal downtime. Perform root cause analysis of network incidents and implement corrective actions. Support end‑users and internal teams with network‑related queries and issues. Handle L3 support tickets escalated from technician (L2) and call center (L1). Document and maintain Standard Operating Procedures (SOPs) and Knowledge Base (KB) articles. On‑Call Rotation Participate in a rotating on‑call schedule to provide 24/7 support for critical network issues. Respond promptly to critical incidents, coordinate resolution efforts and communicate effectively with team members and stakeholders during on‑call periods. Documentation & Reporting Maintain accurate network documentation including diagrams, configurations, and change logs. Generate performance and incident reports for internal stakeholders. Continuous Improvement Stay current with emerging technologies and industry best practices. Recommend and implement improvements to enhance network performance, security, and scalability. Job Requirements Degree or certificate in Information Technology, Network, or related field. 3‑5 years’ experience in network operations and administration. Certifications such as Fortinet NSE, Cisco CCNA/CCNP, VMware NSX‑T, or relevant cloud certifications (GCP, Azure) are highly desirable. Proficiency in managing Fortigate firewalls and Fortimanager. Strong knowledge of Cisco Nexus switches and other Cisco networking devices. Experience with VXLAN implementation and management. Advanced troubleshooting skills in a complex network environment. Knowledge in Python scripting for network automation. Knowledge with SolarWinds for network monitoring and management. Knowledge of managing and optimizing networks in GCP and Azure environments. Strong analytical and problem‑solving abilities. Excellent communication and documentation skills. Ability to work independently and collaboratively in a fast‑paced environment. Calm and effective under pressure, especially during incident response. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Information Technology Retail We thank all interested applicants. Only those selected for an interview will be contacted by our recruitment team. #J-18808-Ljbffr