Through a rich exchange of ideas, meaningful collaboration, and a nimble operating model, we're powering some of the nation's most critical systems, fueling capital formation and innovation, bringing increased prospect to business visionaries, product ingenuity to consumers, and career exploration to our team.

We are seeking a highly skilled and motivated Senior Network Engineer with 7+ years of experience to join our dynamic infrastructure team. In this full‑time role, you will be an integral member responsible for implementing, maintaining, and supporting our mission‑critical network infrastructure. With a focus on Multicast, Cisco datacenter technologies, F5 LTM/APM, FortiGate firewalls, and wireless, you will contribute to the development of resilient, scalable, and secure solutions that power our business.

The ideal candidate is a proactive problem‑solver with a minimum of 7 years of hands‑on experience in large‑scale, mission‑critical networks. This role requires a solid background in data center technologies, firewalls, load balancers, and wireless technologies. You will support our current infrastructure and will participate in a 24/7 on‑call rotation to ensure the stability of our critical applications.

Reports to: Senior Manager, Network Engineering. Job Location: Hybrid (2‑3 days in office) – based in Vancouver, BC.

Network Operations: Act as part of a team of network engineers in the day‑to‑day operations and 24/7 support of our global enterprise network, ensuring service level agreements (SLAs) and uptime targets are met.

Provide support for Datacenter, Campus, SAN, and Wireless infrastructure.

Technical Escalation: Serve as the top‑tier technical escalation point for troubleshooting and resolving complex, high‑priority network incidents.

Engineer, implement, and optimize routing protocols (BGP) and switching environments to improve network efficiency and reduce latency.

Automation:



Develop and maintain network automation scripts using Python, Ansible, or similar tools to standardize configurations and automate repetitive operational tasks.

Security Management: Manage and maintain network security infrastructure, including firewalls (Cisco ASA, Fortinet, AWS Native FW), VPNs, and NAC solutions (Cisco ISE).

Performance & Capacity: Oversee the performance and capacity of the network, utilizing monitoring tools like SolarWinds, Splunk, and Wireshark to proactively identify and address potential issues.

Project Leadership: Lead network‑related projects, from planning and design to implementation and post‑deployment support.

Mentorship: Mentor and train junior engineers on advanced troubleshooting techniques, network protocols, and operational best practices.

Create and maintain comprehensive documentation, including network diagrams, standard operating procedures (SOPs), and knowledge base articles.

On‑Call Support: Participate in an on‑call rotation to provide after‑hours support for critical workloads.

Bachelor’s degree in Information Technology, Computer Science, or a related field.

Experience: 7+ years of experience in a network engineering role, with a focus on operations.

Datacenter Tech: Hands‑on experience with Cisco ACI datacenter technology.

Network Protocols: Expert‑level knowledge of routing and switching protocols (TCP/IP, BGP, OSPF, EIGRP, Spanning Tree).

Specialized Networking: Experience with Multicast networking (PIM‑SM, IGMP, MSDP) and Cisco wireless technologies.





Proven experience with firewall administration and policy management, as well as F5 LTM/APM and Single Sign‑On (SSO) integrations.

Storage Networking: Cisco CCNP Datacenter or CCNP Enterprise certification.

AWS Certified Solutions Architect Associate).

Scripting: Any scripting experience (Python, Ansible, or Terraform).

Salary Range: 120K/year - 130K/year CAD. Please note that our company is not currently sponsoring work permit applications and the applicant must be authorized to work in the country where this position is located.

TMX is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. Through a rich exchange of ideas, meaningful collaboration, and a nimble operating model, we're powering some of the nation's most critical systems, fueling capital formation and innovation, bringing increased opportunity to business visionaries, product ingenuity to consumers, and career exploration to our team.

TMX Group operates global markets, and builds digital communities and analytic solutions that facilitate the funding, growth and success of businesses, traders and investors. TMX Group's key operations include Toronto Stock Exchange, TSX Venture Exchange, TSX Alpha Exchange, The Canadian Depository for Securities, Montréal Exchange, Canadian Derivatives Clearing Corporation Trayport and VettaFi, which provide listing markets, trading markets, clearing facilities, depository services, technology solutions, data products and other services to the global financial community. TMX Group is headquartered in Toronto and operates offices across North America (Montréal, Calgary, Vancouver and New York), as well as in key international markets including London, Singapore and Vienna.

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📌 Network Engineer Senior (IT) (Toronto)
🏢 TSX
📍 Toronto