Senior Design Specialist - Wireless Packet Core Team

Join our team and what we'll accomplish together

The Wireless Core Team is responsible for end-to-end network architecture, development, and operations, 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

• Be part of the team that leads the architecture, design, and operational support for TELUS' Wireless Core Network (LTE/5GSA Core).
• Design, deploy, integrate, and support scalable, high-availability, carrier-grade systems to handle increasing demands with a focus on performance, systems include AMF/MME/SGSN, SMF/SPGW-C, UPF/SPGW-U/GGSN, NRF/NSSF
• Create and optimize CI/CD pipelines to automate testing and deployment processes, reducing time from development to production.
• Manage Network Operations Center (NOC) tickets, troubleshoot issues with cross-functional teams, and conduct root-cause analyses to prevent recurrence.
• Develop Methods of Procedure (MoP) documents for new functionalities, configurations, and break-fix scenarios.
• Lead testing and validation in all deployments in adherence to TELUS' Change Management Process.
• Collaborate on Wireless Core Network projects with teams such as RAN, Policy, Signaling, Virtualized Infrastructure, IMS/Voice, SDM/HSS/UDM Databases, Charging, and Business Operations.
• Participate in design, dimensioning, and roadmap discussions.
• Manage the life cycle of Wireless Core Network products, including scaling, patching, upgrading, and maintaining network functions.
• Contribute actively to Agile team discussions, sharing progress and providing input on design, development, projects, and operations.
• Work with RedHat OpenShift and other infrastructure-layer tools in a CaaS/PaaS model.
• Develop and maintain KPI dashboards to monitor performance and traffic patterns.
• Automate health checks, preventive maintenance, configuration changes, and operational tasks through CI/CD pipelines.
• Analyze network performance, resolve complex issues, and optimize architecture.

What you bring

• 10+ years of progressive experience in 3G/4G/5G Packet Core in architecture, design, implementation, and operations.
• Expertise in Mobility Management (AMF/MME/SGSN), Session Management (SMF/SPGW-C/GGSN), and User Plane Management (UPF/SPGW-U).
• Hands-on experience across multiple vendors (Cisco, Ericsson, Samsung, Nokia, Affirmed)
• Strong knowledge of Service-Based Architecture (SBA), LTE, Subscriber Data Management, HTTP/2, Diameter, Sigtran, SS7, and 5G protocols.
• Extensive experience with protocol stacks, including GTPv1, GTPv2, Gx, Gy, S6b, Ga, and Service-Based Interfaces (SBI).
• Proficiency in containerization ecosystems (Docker, Kubernetes, RedHat OpenShift) and orchestration.
• Advanced troubleshooting skills with tools like Wireshark and PCAP.
• Strong understanding of TCP/IP networking (TCP/UDP/IP/SCTP/GTP/Diameter).
• Experience with software development lifecycle and CI/CD pipelines (GitLab, Agile methodologies).
• Familiarity with data analytics tools such as Splunk, Netscout, BigQuery, and Looker.
• A Bachelor's degree in Computer Science, Information Technology, Electrical Engineering, or a related STEM field.

Great-to-haves

• Experience with Public Cloud Native Services (AWS, GCP).
• Knowledge of Radio, Transport, Signaling, and Infrastructure product design, development, and testing.
• Programming skills in Python, Ansible, or API development in production environments.
• Familiarity with containerization tools (Docker, Kubernetes, OpenStack).

Location: Any major Canadian city (Hybrid)