Network Engineer

TMX Group • Toronto, ON

21h • Hybrid

About The Position

Venture outside the ordinary - TMX Careers 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. Ready to be part of the action? 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, 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 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.

Requirements

• Hands-on experience in a network engineering role.
• Bachelor’s degree in Information Technology, Computer Science, or a related field.
• 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 Haves

• 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) and familiarity with CI/CD workflows and tools (e.g., GitHub, Jenkins).
• Experience with F5 LTM/APM and Single Sign-On (SSO) integrations.

Responsibilities

• Configure, implement, and support core network components, including Cisco ACI fabric, multicast routing, and wireless infrastructure.
• Manage and troubleshoot Fortinet firewalls and F5 LTM policies to ensure the security and high availability of our applications.
• Use modern automation tools like Ansible and Terraform to build and manage on-premises and cloud network infrastructure.
• Utilize scripting languages, such as Python, to automate routine network tasks and improve operational efficiency.
• 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).
• Contribute to network projects by executing implementation plans and creating detailed documentation and network diagrams.
• Act as a key resource for resolving network incidents, performing root cause analysis, and implementing preventative measures.
• Participate in an on-call rotation to provide after-hours support for critical workloads.

Benefits

• Wellness - From empathetic leadership to a culture of flexibility and balance, we believe wellness at work creates the maximum yield and a stronger “we”. Plus, with a cloud-first and hybrid workstyle, as well as generous time-off and leaves, we support a life well lived!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level