Senior Network Engineer — 24/7 Ops & Cisco Data Center

TMX Group; Toronto; Hybrid; CAD 120,000 - 130,000; Full time

Job summary

TMX Group in Vancouver, BC seeks a Senior Network Engineer with 7+ years of hands-on experience to join a critical infrastructure team. You will implement, maintain, and support our global network—multicast, data center, and security systems—within a 24/7 on-call rotation.

You will work on Cisco ACI datacenter tech, firewalls, load balancers, and wireless, while advancing automation and documenting architectures. A CCNP Datacenter or Enterprise and strong communication skills are essential.

Qualifications

• Bachelor’s degree in Information Technology, CS, or related field.
• 7+ years in network engineering, focused on operations.
• Hands-on with Cisco ACI data center tech.
• Expert in routing/switching (TCP/IP, BGP, OSPF, EIGRP, Spanning Tree).
• Experience with Multicast (PIM-SM, IGMP, MSDP) and Cisco wireless.
• Extensive Cisco hardware (Nexus, Catalyst) and NX-OS/IOS.
• Firewall administration and policy management; F5 LTM/APM; SSO integrations.
• SAN storage networking (Cisco/Brocade).
• Cisco CCNP Datacenter or CCNP Enterprise.
• Strong communication and documentation skills (Visio/Lucidchart).

Responsibilities

• Act as part of a team of network engineers in day-to-day operations and 24/7 support.
• Provide support for Datacenter, Campus, SAN, and Wireless infrastructure.
• Serve as top-tier escalation point for complex network incidents.
• Engineer, implement, and optimize routing/switching to reduce latency.
• Develop and maintain network automation scripts (Python/Ansible).
• Manage network security infrastructure: firewalls, VPNs, NAC solutions.
• Monitor performance and capacity using SolarWinds, Splunk, Wireshark.
• Lead network-related projects from planning to post-deployment support.
• Mentor junior engineers on troubleshooting techniques and protocols.
• Create and maintain network diagrams and SOPs.
• Participate in on-call rotation for after-hours support.

Skills

Network engineering

Troubleshooting

Documentation

Communication

Mentoring

On-call support

Education

Bachelor's degree in IT/CS

Tools

Cisco ACI

Nexus/NX-OS

Fortinet FortiGate

F5 LTM/APM

Cisco ISE

Python/Ansible (automation)

Job description

TMX Group in Vancouver, BC seeks a Senior Network Engineer with 7+ years of hands-on experience to join a critical infrastructure team. You will implement, maintain, and support our global network—multicast, data center, and security systems—within a 24/7 on-call rotation.

You will work on Cisco ACI datacenter tech, firewalls, load balancers, and wireless, while advancing automation and documenting architectures. A CCNP Datacenter or Enterprise and strong communication skills are essential.