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., GitHub, 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$100,000.00