Senior Design Specialist - Wireless Voice Core & IMS

Location: Req ID: 55202 Jobs by Category: Technology Solutions Job Function: Engineering & Development Status: Full Time Schedule: Regular Join our team and what we’ll accomplish together The Wireless Voice and Data Core Team is responsible for end-to-end core network strategy, architecture, development and deployment, including service orchestration and automation. We design, develop, maintain, and support the Core Wireless Network and its services. Working as a team, we introduce cutting-edge technology and software to drive network orchestration and automation in the rapidly evolving 5G ecosystem, propelling TELUS’ digital transformation. We create previously impossible solutions to deliver unique and rich wireless experiences for our customers. These innovative solutions revolutionize connectivity, enhance quality of life, and spark global innovation by enabling cellular networks and expanding access to the digital world. You will play a pivotal role in redefining customer experiences by providing strategic guidance, managing change, and leveraging state-of-the-art security and AI to deliver reliable, cost-effective products. What you'll do Lead architecture, design, and development of IMS and Wireless Voice Core systems (P/I/S-CSCF, SBC, TAS, ENUM, MRF/BGF) Design and support voice services including VoLTE, VoWiFi, emergency services, roaming, and interconnect Deploy and maintain scalable, carrier-grade IMS systems optimized for performance and cost-effectiveness Create CI/CD pipelines to automate testing and deployment Analyze network performance and optimize architecture; resolve complex technical issues Develop Methods of Procedure (MoP) documentation for configurations and troubleshooting Lead testing, validation, and capacity planning across deployments Collaborate with RAN, Packet Core, Policy, Infrastructure, and Database teams on integrated solutions Manage vendor relationships and influence solution roadmaps Work with Red Hat OpenStack, OpenShift, AWS, and containerized environments Develop KPI dashboards and monitor performance metrics Participate actively in Agile teams and roadmap discussions What you bring 10+ years in 3G/4G/5G Voice Core (architecture, design, implementation, operations) Deep expertise in IMS architecture, interfaces (Gm, Cx, Dx, Sh, Rx, Rf, ISC, Mw), and call session control functions Strong knowledge of signalling protocols: SIP, Diameter, H248, SS7, CAMEL, RTP/RTCP, GTP, and 5G protocols 3GPP specifications and RFC standards expertise Hands-on experience with multiple IMS vendors (Ericsson, Nokia); platform debugging and configuration Strong understanding of Service-Based Architecture (SBA), LTE/5G Core, and subscriber data management (HSS/UDM) Expertise in containerization (Docker, Kubernetes, OpenShift, AWS) and orchestration Advanced troubleshooting with Netscout, Wireshark, and PCAP TCP/IP networking fundamentals (TCP/UDP/IP/SCTP/Diameter) CI/CD pipeline experience (GitLab, Agile methodologies) Familiarity with data analytics tools (Splunk, BigQuery, Looker) Bachelor's degree in Computer Science, IT, Electrical Engineering, or related STEM field Great-to-haves Public Cloud Native Services (AWS, GCP) experience Programming skills in Python, Ansible, or API development Linux Shell scripting Radio, Transport, Signaling, or Infrastructure product experience Location: Any major Canadian city #Remote Salary Range: $100,000-$150,000 Performance Bonus or Sales Incentive Plan: 15% Actual total compensation will be determined based on factors such as knowledge, skills, performance and experience. We encourage all qualified candidates to apply, even if the posted salary range doesn't match your expectations. We're open to discussing competitive compensation packages tailored to your experience level and expertise. TELUS offers rewarding benefits, which may vary per job function, such as: Comprehensive total rewards package highlighting competitive salary and bonus structures, minimum 3 weeks of vacation, and flexible benefits plan to meet the needs of you and your family Flexibility to work in-office, virtually or a combination of both, based on the role's requirements Generous company matched pension and share purchase programs Opportunity to give back to communities in which we work, live and serve Career growth and learning & development opportunities to develop your skills And much more … Job Type: This is for a current vacancy A bit about us We’re a people-focused, customer-first, purpose-driven team who works together every day to innovate and do good. We improve lives through our technology solutions and foster a culture of innovation that empowers team members to solve complex problems and create remarkable human outcomes in a digital world. You’ll find our engaging, high-performance culture personally fulfilling, professionally challenging, and financially rewarding. We’re committed to diversity and equitable access to employment opportunities based on ability. Your unique contributions and talents will be valued and respected here. When you join our team, you’re helping us make the future friendly. Note for Quebec candidates: if knowledge of English is required for this position, it is because the team member will be asked, on a regular basis, to interact in English with external or internal parties or to use English applications or software as part of their tasks. Technology Solutions We’re into seeing where technology can take us, so if you have ever imagined what the future of supply chain management, cybersecurity, the cloud and Internet of Things will look like, we want you to be part of the team that makes it happen. We are honoured to be recognized 5G TELUS’s fastest network. 5G enables a superior experience with fast downloads and richer multimedia applications 6 Innovation centres across Canada that bring our team members together with customers, partners, start ups, universities, hospitals and fellow colleagues to tackle some of the biggest technological hurdles Canada will face in the near future. 1 Million active users logging into My TELUS per month (consumer mobility). Accessibility TELUS is proud to foster an inclusive culture that embraces diversity. We are committed to fair employment practices and all qualified applicants will receive consideration for employment. We offer accommodation for applicants with disabilities, as required, during the recruitment process.