Design high-capacity DWDM transport networks as a Network Engineer in a hybrid role, working three days onsite in Downtown Toronto.
This full-time position requires seven-plus years of experience and deep optical infrastructure expertise. You will work with Ciena technologies, ROADM architectures, network protocols, monitoring tools, and ISP or telecom environments. Reporting to the Senior Manager of Network Engineering, you will collaborate with Network Architects and technical teams to deliver infrastructure aligned with service quality objectives.
Key Responsibilities: Design and maintain long-haul and metro DWDM optical networks
Execute OSNR, dispersion, and optical attenuation calculations
Research and implement advanced network infrastructure technologies




Provide engineering-level incident and outage support
Perform root-cause analysis on optical transport failures
Requirements: Seven-plus years of network engineering experience
Hands-on DWDM, CWDM, OTN, and SONET/SDH experience
Experience with Ciena tools and technologies
ISP, telecom, carrier, or enterprise setting experience
Experience supporting 24/7 mission-critical networks
Apply advanced DWDM, Ciena, and network infrastructure expertise to engineer resilient transport networks in Downtown Toronto.

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📌 Senior DWDM Network Engineer (Ontario)
🏢 OnX
📍 Ontario