Network Engineer

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 highly skilled Network Engineer with a minimum 3 years of experience to support, design, and enhance enterprise network infrastructure. The ideal candidate will have deep expertise in Multicast, Cisco ACI, F5 LTM/APM, Fortigate firewalls, and network automation. This role requires a proactive problem-solver with strong troubleshooting skills and experience in large-scale, mission-critical networks.

Reports to: Senior Manager, Network Engineering

Key Accountabilities:

Network Design & Implementation:

• Architect, configure, and manage Multicast networks, ensuring optimal performance and scalability.

• Deploy and optimize Cisco ACI (Application Centric Infrastructure), including EPGs, Contracts, L3Out, and VMM integration.

• Implement and manage F5 LTM (Local Traffic Manager) & APM (Access Policy Manager) for load balancing and application security.

• Configure and maintain Fortigate firewalls, including policy management, SSL/IPSec VPNs, SD-WAN, and security monitoring.

• Develop and enforce network security policies, segmentation, and Zero Trust principles.

Automation & Optimization:

• Implement network automation using Python, Ansible, Terraform, or other scripting tools to improve efficiency.

• Develop scripts and playbooks for device configuration, monitoring, and compliance enforcement.

• Optimize network performance by leveraging automation for troubleshooting and remediation.

Operations & Troubleshooting:

• Monitor and maintain network health, proactively addressing performance and security issues.

• Conduct root cause analysis and troubleshoot complex network incidents involving Multicast, ACI, F5, and Fortigate.

• Collaborate with security, DevOps, and application teams to ensure seamless network operations.

• Ensure compliance with industry standards and best practices for network security and availability.

Project Management & Documentation:

• Assist network upgrade and migration projects, ensuring minimal downtime and impact.

• Maintain detailed technical documentation, including network diagrams, automation scripts, and SOPs.

Must haves:

• Multicast Networking: Experience with PIM-SM, IGMP, MSDP, and troubleshooting multicast routing issues.

• Cisco ACI: Hands-on experience with APIC, Fabric Policies, Contracts, VRF, L3Out, and automation.

• F5 Load Balancers: Expertise in F5 LTM (VIPs, pools, iRules, SSL offloading) and APM (remote access, authentication).

• Fortigate Firewalls: Strong experience with FortiOS, FortiManager, FortiAnalyzer, NGFW policies, and SD-WAN.

• Network Automation: Proficiency in Python, Ansible, Terraform, REST APIs, JSON/YAML, and network automation frameworks.

• Routing & Switching: Deep knowledge of BGP, OSPF, EIGRP, VLANs, STP, VXLAN, QoS, and VRFs.

• Network Security: Familiarity with Zero Trust, NAC, IPS/IDS, DDoS protection, and SIEM integration.

• Strong analytical and troubleshooting skills in high-pressure environments.

• Excellent communication and collaboration skills for working with cross-functional teams.

• Ability to document solutions and provide technical knowledge transfer.

• Candidate must be available to provide on-call support and work on the weekends as required

Note: Hybrid role 2 days in the Toronto Downtown office

In the market for…

Excitement - Explore emerging technology and innovation, as well as ventures and digital finance that shape the future of global markets! Experience the movement of the market while grounded in the stability of close to 200 years of success.

Connection - With site hubs in some of the world’s most multicultural cities, we leverage our size and structure to create rich connections and belonging while experiencing powerful global impact through our work.

Impact - More than a platform, we use our talents to power mission-critical systems that drive global economic advancement, innovation, and growth. As well, our employee-led Team Impact spreads social good via our giving strategy.

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! 

Growth - From a growth mindset in our work, to expansion in our business, TMX is home to action-takers energized by the achievement of ambitious growth.

Ready to enrich your career with impactful work, leaders who truly care, and the flexibility and programs to help you thrive as part of #TeamTMX ? Apply now.

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. We provide accommodations for applicants and employees who require it.