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Sr Network Design Engineer Jobs in Toronto, ON (NOW HIRING)

Senior Network Engineer responsibilities include managing and optimizing in-house and cloud-based ... Design and deploy functional networks (LAN, WAN, WLAN) * Configure and install various network ...

The Global Network Engineering - Design team is responsible for maintaining the software and ... Reporting to a Senior Manager, Global Network Engineering - Design, as a Senior Network Engineer ...

Senior Network Engineer

Toronto, ON · Hybrid

CA$69K - CA$119K/yr

The Opportunity We are seeking a highly experienced Senior Network Engineer to design, implement ... Design, deploy, configure, and maintain enterprise-scale network infrastructure across cloud, on ...

Sr. Network Engineer

Toronto, ON · Hybrid

CA$100K - CA$500K/yr

As our AI infrastructure continues to scale, we're looking for a Network Engineer to help design, deploy, and operate the networking backbone powering Tenstorrent's global AI compute infrastructure.

Senior Network Administrator

Toronto, ON · Hybrid

CA$106K - CA$135K/yr

Senior Network Administrator Your Moneris Career - The Opportunity The Senior Network Administrator ... Design, implement, and support enterprise LAN, WAN, routing, switching, and wireless infrastructure.

Senior Network Consultant

Toronto, ON · On-site

CA$80K - CA$105K/yr

We are looking for an energetic and client-orientated Senior Network Consultant for our Toronto ... Design and/or implement standard or custom technical solutions * Participate in operational ...

Senior Design Engineer

Markham, ON · Hybrid

CA$75 - CA$80/hr

RTL design Engineer 5 Contract: 6 months Extendable Location: Markham, ON (Hybrid) Pay Rate: ($75-$80)/hr T4 JOB DUTIES: * Responsible for RTL design using Verilog HDL for implementation and debug.

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Sr Network Design Engineer information

What is a Sr Network Design Engineer?

Sr Network Design Engineers are senior-level professionals responsible for designing, planning, and implementing complex network infrastructures for organizations. They analyze business requirements, create detailed network architectures, select appropriate hardware and software, and ensure network performance, security, and scalability. These engineers also troubleshoot advanced issues, mentor junior staff, and stay up-to-date with the latest networking technologies to support evolving business needs.

What are the key skills and qualifications needed to thrive as a Sr Network Design Engineer?

A Sr Network Design Engineer needs deep expertise in network architecture, protocols, and security, often supported by a bachelor's degree in a related field and certifications like CCNP or CCIE. Familiarity with network design tools (such as Cisco Prime or SolarWinds), routing and switching hardware, and network simulation software is essential. Strong analytical thinking, problem-solving, and communication skills help translate business requirements into robust technical solutions. These skills and qualifications are vital for building resilient, scalable networks that support organizational goals and maintain high performance.

What are some typical challenges faced by Sr Network Design Engineers when implementing large-scale network solutions?

Sr Network Design Engineers often encounter challenges such as integrating new technologies with legacy infrastructure, ensuring network scalability, and meeting stringent security requirements. Balancing performance, reliability, and cost within the design can also be complex, especially when collaborating with cross-functional teams like security, operations, and architecture. Additionally, they must stay current with rapidly evolving network protocols and best practices, while troubleshooting unforeseen issues during deployment.

What does a senior network design engineer do?

A senior network design engineer plans, develops, and implements complex network infrastructure to ensure reliable and secure data communication. They analyze network requirements, select appropriate hardware and protocols, and often use tools like Cisco or Juniper. This role typically requires advanced knowledge of networking concepts, certifications such as CCNP or CCIE, and the ability to lead network projects and troubleshoot issues.

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What cities near Toronto, ON are hiring for Sr Network Design Engineer jobs?

Cities near Toronto, ON with the most Sr Network Design Engineer job openings:

Infographic showing various Sr Network Design Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution.

Senior Network Engineer (Meraki)

Armstrong Fluid Technology

Toronto, ON • On-site

Other

Re-posted 16 days ago


Job description

Imagine working at the forefront of innovation in fluid-flow technology, with over 1400 colleagues across the globe, and contributing to a legacy of excellence that spans eight manufacturing facilities on four continents. Armstrong Fluid Technology is more than just a leader in our industry; we are a community of the brightest and most creative minds, driven by a shared mission to engineer the future and safeguard our planet.

As a member of our team, you'll dive into an environment that encourages learning and boundary-pushing every day. You'll be part of an agile and dynamic workplace where today's solutions are built for tomorrow's challenges.


Title:   Senior Network Engineer

Reports to:

Global Manager, IT Infrastructure & Security

This role will oversee and ensure stable operation of the organization’s network architectures including LAN, SD-WAN & Cloud networks, internet connectivity and security of same. This includes planning, developing, installing, configuring, maintaining, supporting, monitoring and optimizing all networking hardware and software; and designing and implementing secure modern network solutions supporting the global IT infrastructure.

This position is located in Toronto, Canada with possible travel to our global operations in the USA, UK, Continental Europe, India, and China.

Key Accountabilities

  • Drive technical projects and take overall responsibility for network implementations and support.
  • Lead continuous improvements with respect to network security hardening in coordination with the IT Security team.
  • Develop and design processes for network infrastructure deployment and configuration along with providing service improvements to improve day-to-day operational efficiency.
  • Lead installation and perform configuration, administration, and support hardware and software for LAN, SD-WAN & Cloud networks, including switches, routers, firewalls, network monitoring tools and services, and cabling to provide an optimized and reliable environment.
  • Detects and manages network faults and performance issues in collaboration with technical teams. Implements monitoring services and alerts to prevent future occurrences.
  • Provide L2 support for the network environment and business application connectivity, and support root cause analysis, investigations, and resolution of operational incidents.
  • Prepare, maintain, and communicate documentation of network designs and architecture.
  • Provide guidance and mentoring to other team members in their knowledge of networks & network security fundamentals.


What We’re Looking For

To thrive in this role, you should bring:

 University Degree in Information Technology, or equivalent combination of education and practical experience.

  • Must have Meraki
  • Minimum 5 years of experience in network design and implementation of enterprise IT network infrastructure.
  • Minimum 5 years of experience in network administration and support of large-scale, mission-critical enterprise networks in a global, 24x7 operating environment.
  • Cisco certification in any of the following: CCNA/CCNP or CCIE (Routing and Switching, Security)
  • Working experience of the following:
    • Current network environments (LAN/WAN/SD-WAN, Cloud).
    • Cisco switches and routers, network applications, routing, switching, firewalls and related protocols.
    • Enterprise wireless networks including installation, configuration, and troubleshooting.
    • Network fault isolation tools and protocols
  • Advanced knowledge of the following:
    • ITIL incident management, problem, and change management.
    • Network provider/carrier services, network engineering (hardware and software), network design and planning.
    • Network tools used in supporting multi-platform environments, troubleshooting network-related problems, monitoring capacity, performance, security, and availability.
  • Creative problem-solving skills, conflict management within different organizations
  • Ability to prioritize, multitask, and perform job functions under pressure.
  • Ability to break down complex problems in a simplified way, conduct root cause analysis and provide clear, well-thought-out recommendations.
  • Strong, team-oriented leadership skills with presence and a bias for action.
  • Self-directed with the ability to work autonomously and collaboratively and a focus on results.
  • Ability to communicate in an open and authentic manner in all situations.

Why Armstrong Fluid Technology?


By joining us, you’ll become part of a global community dedicated to pushing the boundaries of fluid-flow technology. You’ll have endless opportunities to learn, grow, and make a significant impact on the world. Together, we'll build tomorrow’s solutions today.