Work Location: Toronto, Ontario, Canada

Hours 37.5

Line Of Business Technology Solutions

Pay Details $96,900 - $136,800 CAD

TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs.

As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.

Job Description

TDSGI Network is seeking a Senior Network Infrastructure Specialist based in Canada to support TDS network infrastructure globally. The successful candidate will bring deep, hands‑on expertise in enterprise networking, low‑latency infrastructure, IP multicast, market‑data distribution, exchange connectivity, routing and switching, incident management, and controlled production delivery. The role will help maintain and enhance the resilient, secure, and high‑performing network services that support TDS electronic‑trading platforms and global business operations.

This is a hands‑on senior position covering data‑center networks, colocation environments, WAN, MAN, LAN, SD‑WAN, Internet, B2B connectivity, office infrastructure, and network security integration. The individual will collaborate with regional and global technology teams, Enterprise Network Engineering, Network Operations,



cybersecurity partners, application teams, telecommunications carriers, exchanges, colocation providers, managed service providers, and technology vendors.

The role requires robust technical judgment, disciplined change execution, effective incident leadership, comprehensive technical documentation, and the ability to coordinate complex infrastructure initiatives across regions and time zones.

Key Accountabilities

Global Network Infrastructure Delivery

- Lead and support the design, implementation, configuration, migration, integration, and lifecycle management of global TDS network infrastructure.
- Deliver network solutions across data centers, colocation facilities, trading locations, offices, WAN, MAN, LAN, SD‑WAN, Internet, B2B, exchange connectivity, and out-of-band-management environments.
- Translate business, application, security, resiliency, capacity, and operational requirements into secure, scalable, supportable, and highly available network solutions.
- Lead or contribute to network modernization, infrastructure currency, data‑center expansion, office buildouts, network segmentation, hardware replacement, software upgrades, and technology transformation initiatives.
- Coordinate implementations involving multiple regions, technical teams, telecommunications providers, colocation providers, exchanges, vendors, and business stakeholders.




- Ensure solutions align with approved architecture, engineering standards, security controls, operational requirements, naming conventions, and support models.
- Complete technical validation and operational‑readiness activities before transitioning new or changed infrastructure into production.

Low‑Latency and Multicast Networking

- Design, implement, support, optimize, and troubleshoot low‑latency network infrastructure supporting electronic‑trading and market‑data applications.
- Support multicast market‑data distribution, including multicast routing, source and receiver connectivity, group management, traffic replication, and end‑to‑end delivery.
- Troubleshoot multicast issues involving: PIM, IGMP, Rendezvous points, Reverse Path Forwarding, Multicast routing and forwarding tables, Duplicate or missing multicast traffic, Packet loss, congestion, latency, and out‑of‑sequence traffic
- Analyze latency‑sensitive traffic using packet captures, interface statistics, network telemetry, routing information, device logs, and monitoring platforms.
- Identify and help remediate latency, jitter, packet loss, microbursts, congestion, buffering, unnecessary network hops, and capacity constraints.
- Work with trading‑application, market‑data, exchange‑connectivity, security, server, and infrastructure teams to understand traffic flows, latency expectations, resiliency requirements, and failover behavior.
- Support connectivity to exchanges, market‑data providers, B2B partners, external clients, vendors, and colocation facilities.
- Validate primary and disaster‑recovery network paths, multicast convergence, redundanc

📌 Sr. IT Build Specialist (Toronto)
🏢 TD
📍 Toronto