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TMX Group

Senior Network Engineer

Toronto, ON, Canada

Salary Range: 120K/year - 130K/year CAD. · Full-time

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Job details

Pay: Salary Range: 120K/year - 130K/year CAD.
Job type: Full-time
Posting language: English
Posted: Oct 29, 2026

Original job description

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 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.

Key Accountabilities

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.
Infrastructure Support: 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.
Optimization: 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.
Documentation: 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.

Must-Haves

Education: 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.
Hardware Expertise: Extensive hands-on experience with Cisco enterprise-grade hardware (Nexus, Catalyst) and NX-OS/IOS.
Security & Load Balancing: Proven experience with firewall administration and policy management, as well as F5 LTM/APM and Single Sign-On (SSO) integrations.
Storage Networking: Experience with SAN technology (Cisco or Brocade).
Certifications: Cisco CCNP Datacenter or CCNP Enterprise certification.
Soft Skills: Excellent communication and documentation skills, with proficiency in tools like Visio or Lucidchart.

Nice-to-Haves

Advanced Certification: Cisco CCIE or Fortinet NSE 4+ certification (or actively working towards).
Cloud Expertise: Cloud certifications (e.g., AWS Certified Solutions Architect Associate).
Scripting: Any scripting experience (Python, Ansible, or Terraform).

Salary Range: 120K/year - 130K/year CAD. Please note that the salary range included is a guideline only. The salary offered may vary based on factors, including, but not limited to, the successful candidate’s relevant knowledge, skills, and experience.

The recruiting efforts for this role are intended to fill a vacant position.

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.

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

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More about this job

Responsibilities

The Senior Network Engineer will implement, maintain, and support mission-critical network infrastructure while serving as a top-tier technical escalation point for complex incidents. The role also involves leading network projects, automating operational tasks, and mentoring junior engineers to ensure high availability and performance.

Requirements

Candidates must possess a bachelor's degree in a relevant field and at least 7 years of hands-on experience in large-scale network operations. Expert-level knowledge of routing protocols, Cisco data center technologies, and security infrastructure is required, along with a CCNP certification.

Skills

Cisco ACI
Network engineering
BGP
Multicast
F5 LTM/APM
FortiGate
Python
Ansible
Cisco ISE
SolarWinds
Splunk
Wireshark
Routing and switching
Data center technologies
Network security
Wireless technologies

Benefits

Flexible workstyle
Generous time-off
Leaves
Employee-led team impact

Visa sponsorship

Not detected in the job text

Keywords

Cisco ACI
BGP
OSPF
EIGRP
Multicast
PIM-SM
IGMP
MSDP
F5 LTM
F5 APM
FortiGate
Cisco ASA
Cisco ISE
Python
Ansible
Terraform
SolarWinds
Splunk
Wireshark
CCNP
CCIE
Fortinet NSE
AWS
SAN
Nexus
Catalyst
NX-OS
IOS
Network automation
Data center

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