Senior Platform Specialist – Network Services (Telephony)

Job Title: Senior Platform Specialist – Network Services (Telephony)

Location: Toronto, ON (Onsite)

Estimated Duration: Full Time/Permanent

Client: Canadian Tire
Client: Canadian Tire
About Us
Canadian Tire Corporation, Limited (“CTC”) is one of Canada’s most admired and trusted companies. With more than 90 Owned Brands, 1,700 retail locations, financial services, exemplary e-commerce capabilities, and exciting market-leading merchandising strategies. We dream big and work as one to innovate with purpose for our customers at every level of our business, investing in new technologies and products, and doubling down on top talent to drive the company forward. We offer competitive salaries and wages to CTC employees, as well as store discounts, supported learning through our Triangle Learning Academy, Canadian Tire Profit Sharing, and retirement and savings programs for eligible employees. As part of our enhanced flex benefits program, we offer mental health benefits in the amount of $5,000 per year for benefits-eligible employees and their families, including total well-being, and mental health tools and resources for all employees. Join us in helping to make life in Canada better through living and working our Core Values: we are innovators and entrepreneurs at our core, outcomes drive us, inclusion is a must, we are stronger together and we take personal responsibility. It is an especially exciting time to join CTC and its family of companies where career opportunities are wide-ranging! Join us, where there's a place for you here.

Sr Platform Specialist – Network Services

(Telephony, SIP, and Voice Routing Focus)

What you will do
The Sr Platform Specialist for Network Services provides advanced engineering expertise across the enterprise telephony and voice infrastructure. This role focuses on SIP, call routing, session management, and operational support for voice platforms. Preferred experience includes Cisco and Ribbon systems, although strong VoIP engineering skills from any large scale environment are suitable. The specialist ensures reliable and high quality voice services for corporate users, retail locations, contact centers, and remote workers. This role also contributes to automation, observability, and continuous improvement efforts across the Network Services organization.
Key Responsibilities
Telephony and SIP Engineering
              • Design, implement, and support enterprise telephony platforms using SIPS, SRTP, and related protocols.
              • Configure and maintain Cisco and Ribbon voice systems or equivalent enterprise VoIP platforms.
              • Manage call routing, dial plans, SBC configurations, SIP trunks, failover behavior, and number management.
              • Support integrations with SIP & PSTN providers, cloud voice services, call recording systems, and contact center platforms.
Operations and Continuous Improvement
              • Troubleshoot and resolve complex issues involving SIP signaling, codec negotiation, QoS, media flow, and call quality.
              • Perform root cause analysis for voice related incidents and drive improvements to eliminate repeat issues.
              • Review configurations and routing logic to reduce complexity, improve reliability, and minimize cost.
              • Support migrations from legacy telephony platforms to Microsoft Teams Voice
Automation and Scripting
              • Develop automation scripts to streamline provisioning, number management, testing, and reporting.
              • Contribute to automation frameworks that integrate telephony systems with network services, IPAM, and monitoring tools.
              • Participate in network as code and configuration standardization initiatives across the organization.
Collaboration and Alignment
              • Partner with Network Services, Network Platforms, and Infrastructure teams to ensure reliable end to end voice connectivity across WAN, SD WAN, and LAN environments.
              • Work with Security, Identity, and Application teams to support authentication, logging, compliance, and integrations with enterprise systems.
              • Assist in evaluating new telephony technologies, providers, and hosted solutions with a focus on value engineering and operational simplicity.
What you bring
              • Bachelor’s degree in Computer Science, Information Systems, or a related field. Equivalent experience is welcome.
              • Strong understanding of SIP, RTP, call flows, SBC behavior, dial plans, and VoIP protocols.
              • Hands-on experience with Cisco and Ribbon voice platforms is preferred, but strong experience with any enterprise VoIP environment is acceptable.
              •Proven ability to troubleshoot call signaling, media issues, QoS, and network interactions affecting voice quality.
              • Experience with Python, Powershell, or similar scripting languages.
              • Familiarity with automation frameworks or tools such as Ansible or Terraform is a plus.
              • Strong analytical and communication skills with a commitment to operational excellence.
              • A focus on automation, efficient engineering, and cost conscious design.

Our Commitment to Diversity, Inclusion and Belonging 
 We are committed to fostering an environment where belonging thrives, and diversity, inclusion and equity are infused into everything we do. We believe in building an organizational culture where people are consistently treated with dignity while respecting individual religion, nationality, gender, race, age, perceived ability, spoken language, sexual orientation, and identification. We are united in our purpose of being here to help make life in Canada better.
 
Accommodations  
 We stand firm in our Core Value that inclusion is a must. We welcome and encourage candidates from equity-seeking groups such as people who identify as racialized, Indigenous, 2SLGBTQIA+, women, people with disabilities, and beyond. Should you require any accommodation in applying for this role, or throughout the interview process, please make them known when contacted and we will work with you to help meet your needs.