Core Network Engineer – 5G/4G

Toronto

8–10 years in the telecom industry with core network experience

• Lead the design and integration of packet core network elements:
  

  • 5G Core (5GC): AMF, SMF, UPF
    

  • 4G EPC: MME, SGW, PGW, HSS, ePDG
    

• Create and maintain HLD/LLD documentation, IP flow diagrams, MOPs, test plans, ATP, and TOLs
  

• Conduct integration and validation testing to ensure compliance with 3GPP standards and robust network performance
  

• Support daily operations, including monitoring, troubleshooting, fault resolution, KPI tracking, and escalations
  

• Drive automation and lifecycle management using cloud-native and virtualization tools: Kubernetes, CNF/VNF, Docker, CI/CD pipelines
  

• Optimize core network performance through analysis and tuning of latency, throughput, and scaling
  

• Provide technical leadership, guiding internal teams, vendors, and stakeholders in multi-vendor environments
  

• Author and present technical documentation, including HLD, LLD, test plans, white papers, and PoVs (especially for private 5G or enterprise use cases)
  

• Collaborate with R&D or development teams to validate new features or demos (e.g., AR/VR, IoT) in lab environments
  

• Bachelor’s or Master’s degree in Telecommunications, Electrical Engineering, or Computer Science
  

• 8+ years of experience in the telecom industry with deep core network exposure across 3G, 4G, and 5G
  

• Proven expertise in 5GC (AMF, SMF, UPF) and EPC components (MME, SGW, PGW, HSS, ePDG)
  

• Solid understanding of 3GPP protocols, call flows, and packet core functions
  

• Hands-on experience with network integration, testing, and operations
  

• Experience with automation, virtualization, and cloud-native tools (Kubernetes, CNF/VNF, Docker, CI/CD)
  

• Strong technical leadership and stakeholder management skills in multi-vendor environments