Senior Network Engineer – Enterprise Infra & Security

OnX; Toronto; Hybrid; CAD 50,000 - 90,000; Full time

Job summary

OnX is seeking a Senior Engineer - Network Administration to design, administer, and optimize enterprise networks across LAN/WAN, VPNs, firewalls, and cloud‑connected environments. You will partner with security, NOC, and service delivery teams to ensure stability, performance, and compliance.

The role requires 6–8 years in network administration, strong Cisco and Palo Alto experience, ITIL processes, and a focus on reliability, incident management, and continuous improvement within a

Qualifications

• Bachelor’s degree or higher in Engineering, CS, IT, or related field.

Responsibilities

• Administer, monitor, and maintain enterprise network infrastructure across multiple locations.

Skills

Cisco Routing & Switching

Cisco Data Networking

Palo Alto Firewalls

Cisco ASA Firewalls

ITIL practices

LAN/WAN Administration

Network Monitoring

Firewall Management

Routing & Switching

TCP/IP

VPN

DNS/DHCP

Network Security Fundamentals

Education

Bachelor's Degree in Engineering/CS/IT

CCNA

CCNP

Palo Alto Certifications

ITIL Certification

Tools

Cisco SD-WAN (Viptela)

Cisco Data Center Networking

Cisco Proxy Solutions

Cisco Load Balancers

Linux Networking

Prisma Cloud

SolarWinds Monitoring

Job description

OnX is seeking a Senior Engineer - Network Administration to design, administer, and optimize enterprise networks across LAN/WAN, VPNs, firewalls, and cloud‑connected environments. You will partner with security, NOC, and service delivery teams to ensure stability, performance, and compliance.

The role requires 6–8 years in network administration, strong Cisco and Palo Alto experience, ITIL processes, and a focus on reliability, incident management, and continuous improvement within a