Network Engineer

Overview

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The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into action, advancing global economic growth, and propelling progress. 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.

We are seeking a skilled and motivated Network Engineer 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 Cisco ACI, cloud networking, and automation.

The ideal candidate is a proactive problem-solver with hands-on experience in data center technologies, firewalls, load balancers, and network automation. This role requires a solid background in Multicast, Fortigate firewalls, and F5 LTM, along with a desire to grow your skills in using code to build and manage robust networks. You will support our next-generation 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

Work arrangement: This role is hybrid (2 - 3 days/week in the office) - based in Toronto, ON.

Key Accountabilities:

• Network Implementation & Support:
  Configure, implement, and support core network components, including Cisco ACI fabric, multicast routing, and wireless infrastructure.
• Security & Load Balancing:
  Manage and troubleshoot Fortinet firewalls and F5 LTM policies to ensure the security and high availability of our applications.
• Automation & Infrastructure-as-Code (IaC):
  Use modern automation tools like Ansible and Terraform to build and manage on-premises and cloud network infrastructure.
• Scripting:
  Utilize scripting languages, such as Python, to automate routine network tasks and improve operational efficiency.
• Cloud Networking:
  Implement and manage network infrastructure within major public cloud platforms (AWS, Azure, GCP), including the configuration of Transit Gateways (TGW), Direct Connect Gateways (DXGW), and Virtual Private Gateways (VGW).
• Project Contribution & Documentation:
  Contribute to network projects by executing implementation plans and creating detailed documentation and network diagrams.
• Troubleshooting & Operations:
  Act as a key resource for resolving network incidents, performing root cause analysis, and implementing preventative measures.
• On-Call Support:
  Participate in an on-call rotation to provide after-hours support for critical workloads.

Must Have(s):

• 5+ years of hands-on experience in a network engineering role.
• Hands-on experience with Cisco ACI, including fabric policies, contracts, and VMM integration.
• Experience with AWS and/or Azure cloud networking (VPC/VNet, security groups, routing, etc.).
• Proficiency with Infrastructure-as-Code (Terraform) and automation tools (Ansible).
• Practical scripting experience with Python.
• Strong understanding of networking fundamentals, firewalls (Fortigate preferred), and VPNs in both on-premise and cloud environments.
• Experience with campus networking, including wireless and Catalyst switches.
• Excellent communication and documentation skills, with proficiency in tools like Visio or Lucidchart.

Nice to Have(s):

• Cisco CCNP/CCIE or Fortinet NSE 4+ certification (or actively working towards).
• Cloud certifications (e.g., AWS Certified Solutions Architect Associate).
• Experience with container networking (e.g., Kubernetes).
• Familiarity with CI/CD workflows and tools (e.g., Git Hub, Jenkins).
• Experience with F5 LTM/APM and Single Sign-On (SSO) integrations.

Important notices
:
This position requires authorization to work in the country where the role is located. The company is not currently sponsoring work permit applications. TMX is committed to creating a diverse and inclusive work environment and provides accommodations for applicants and employees who require it.

Seniority level
:
Mid-Senior level

Employment type
:
Full-time

Job function
:
Information Technology

Toronto, Ontario, Canada CA $95,000.00-CA$