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 FortiManager 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 FortiManager 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.
• 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 FortiGate, FortiManager, and FortiAnalyzer.
• 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 FortiManager and FortiAnalyzer 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

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