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Added 10 mins ago
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Calian Group

Network Administrator

Ottawa, ON, Canada

Pay: $80,000 to $100,00
Job type: Full-time
Apply by: Oct 28, 2026
Posting language: English
Posted: Sep 28, 2026

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Original job description

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.

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 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.

Compensation

Additional Requirements

$80,000 to $100,00

Position Type

We have 1 available position.

Perks And Benefits

Competitive, company-paid benefits
Generous time off package
Stock purchase plan
RRSP program
Flexible work hours for eligible roles
Programs to support employee health and well-being

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More about this job

Responsibilities

Manage and optimize enterprise network infrastructure, including Wi-Fi, Fortinet firewalls, VPNs, Zscaler services, and network policies across site, data center, and cloud environments. Monitor performance and security, maintain redundancy and disaster recovery, support automation and cloud connectivity, and troubleshoot complex network issues.

Requirements

Requires a college diploma or university degree in Computer Science or a related field, or equivalent relevant experience, and at least three years of enterprise networking experience. Candidates should have at least three years of hands-on Fortinet experience, Zscaler support experience, knowledge of core networking and security technologies, and experience with Azure and AWS networking.

Skills

Enterprise Networking
Fortinet
FortiGate
FortiManager
FortiAnalyzer
Zscaler
Routing
Switching
Firewall Administration
Enterprise Wi-Fi
Network Security
SD-WAN
VPN Technologies
Azure Networking
AWS Networking
Network Automation

Benefits

Company-Paid Benefits
Generous Time Off
Stock Purchase Plan
RRSP Program
Flexible Work Hours
Employee Health and Well-Being Programs

Visa sponsorship

Not detected in the job text

Keywords

Enterprise Networking
Network Infrastructure
Fortinet
FortiGate
FortiManager
FortiAnalyzer
Zscaler
Enterprise Wi-Fi
Firewalls
Routing
Switching
Network Policies
Access Controls
DNS
DHCP
VLANs
SD-WAN
VPN
OSI Model
Azure
AWS
Hybrid Connectivity
Network Automation
SNMP
Network Monitoring
Disaster Recovery
Network Redundancy
Security Compliance
Log Analysis

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