Network Administrator

Position Overview

We are looking for a Network Infrastructure Administrator to join our Infrastructure Management team. In this role, you will be responsible for the design, implementation, and support of Calian’s network infrastructure systems, including enterprise Wi-Fi, firewall, routing, switching, policy enforcement, and automation across site, data center, and cloud environments.

You will leverage your expertise in Fortinet and Zscaler technologies to ensure secure, high-performance connectivity across internet and private networks. Working closely with Calian IT and business unit development teams, you will manage secure network connectivity, optimize firewall and SD-WAN configurations, maintain high availability and disaster recovery capabilities, and support the continuous improvement of network infrastructure.

The ideal candidate is proactive, solutions-focused, and skilled at identifying and resolving complex network issues to ensure stability, security, and performance.

Responsibilities

• Own and manage enterprise Wi-Fi infrastructure, ensuring optimal performance and coverage across all environments.
• Administer and optimize Fortinet firewalls, VPNs, security policies, and Forti. Manager configurations.
• Administer and support Zscaler cloud security services for secure internet and private connectivity.
• Design and enforce enterprise-wide network policies, including firewall rules, access controls, and compliance standards.
• Monitor and optimize network performance, capacity, and security across hybrid environments.
• Implement and maintain network redundancy and disaster recovery solutions.
• Integrate and support on-premises and cloud-based network services in Azure and AWS environments.
• Implement network automation and monitoring tools, including Forti. Manager and SNMP-based solutions.
• Collaborate with security teams to enforce network security best practices and compliance requirements.
• Troubleshoot network issues within Fortinet environments, including firewall rules, VPNs, and wireless connectivity, quickly identifying root causes and implementing effective solutions to maintain network stability and performance.
• Perform other duties as required within the scope of the role.

Qualifications

• College diploma or university degree in Computer Science or a related field, or equivalent relevant experience.
• 3+ years of experience with enterprise networking, including routing, switching, and firewalls.
• 3+ years of hands-on experience with Fortinet technologies, including Forti. Gate, Forti. Manager, and Forti. Analyzer.
• Experience supporting Zscaler cloud security services.
• Strong understanding of network security, DNS, DHCP, VLANs, SD-WAN, VPN technologies, and the OSI model.
• Experience with cloud networking in Azure and AWS environments and hybrid connectivity solutions.
• Experience using Forti. Manager and Forti. Analyzer for centralized policy management and log analysis.
• Strong analytical and troubleshooting skills with the ability to resolve complex network challenges. Additional Requirements
• Location: Ottawa preferred or Saskatoon.

Compensation

$80,000 to $100,00 Position Type We have 1 available position. Job Title: Network Administrator Requisition Number: 2617 Date: September 28, 2026 Location 1: Ottawa, ON Remote: Hybrid Business Unit: Essential Industries Department: Information Systems & IT Job Type: Full-time #LI-SL1# #SF#