Description
Job Overview
We are looking for an experienced Solution Lead Service Delivery Packet Core with deep expertise in 4G/5G Packet Core solutions, cloud-native core networks, and hands-on integration experience. This role demands strong architectural understanding, solution leadership, and operational excellence to deliver next-generation packet core solutions for global telecom networks. You will lead solution design, integration, upgrades, and troubleshooting while collaborating with cross-functional teams in a 247 support environment.
Key Responsibilities
Lead the solutioning, design, and integration of 4G/5G Packet Core nodes including :
- SGSN / MME / AMF
- GGSN / EPG / SMF / PCC / PCG
- PCRF / SAPC / CCPC / PCF
- ePDG / WMG
- NRF / NSSF / Signaling Controller
- Prepare High-Level Design (HLD) and Detailed-Level Design (DLD) documents for 5G NSA/SA Core as per customer requirements.
- Define end-to-end solution architecture for Packet Core deployments ensuring alignment with customer network requirements and industry best practices.
Integration, Deployment & Upgrades
- Perform integration, configuration, and onboarding of 5G SA Packet Core CNFs including PCC, PCG, CCPC on different cloud environments.
- Execute ISSU upgrades, patches, and updates for 5G SA Packet Core cloud-native network functions.
- Ensure seamless integration and communication between Packet Core CNFs and dependent nodes like UDM, CCPC, ENL via SCP (direct and indirect).
Technical Expertise & Domain Knowledge
- Demonstrate strong end-to-end understanding of Packet Core solutions across 4G EPC and 5G SA architecture.
Deep knowledge of 4G and 5G call flows including :
- Handover (HO)
- VoLTE
- EPS fallback
- VoNR
- VoWiFi
- IoT
Strong Domain Knowledge Of 5G Network Functions
- AMF, SMF, UPF, PCF, NRF
- Comprehensive understanding of NFVI & CNIS, cloud environments, and virtualization platforms.
Cloud, CNF & Virtualization Expertise
Expertise in cloud-native telecom deployments using :
- RHOSP, CEE, Kubernetes, ECCD
- Hardware platforms like BSP, Dell, HP, HDS
- Experience with telecom cloud orchestrators such as :
- ATLAS, ECM, SDI, OMC, EVNFM
Strong understanding of network protocols and cloud-native components including :
- SCTP, HTTP, Calico, Multus, SR-IOV, Load Balancers
Operational Support & Troubleshooting
- Deliver high-quality support in a 247 environment ensuring SLA compliance.
- Monitor customer deployments, proactively detect issues, and resolve them with minimal service impact.
- Use troubleshooting tools such as Wireshark, K12/K15, Spirent for packet analysis and issue isolation.
- Perform root cause analysis (RCA) and contribute to continuous service improvements.
Leadership & Collaboration
- Provide mentorship, technical guidance, and knowledge sharing across the team.
- Stay updated with emerging 5G technologies and innovations in the mobile core domain.
- Collaborate with cross-functional and multi-country teams effectively, ensuring smooth project delivery.
- Drive a culture of learning, collaboration, and technical excellence.
Required Skills & Expertise
- 10+ years in Telecom EPC and 3+ years in 5G SA Core.
- Strong understanding of 5G NSA/SA Packet Core architecture.
Hands-on Expertise With
- SGSN-MME, EPG, ePDG/WMG
- PCF (CCPC), PCC (AMF & SMF), PCG (UPF)
- Integration of Packet Core nodes
- Deep understanding of cloud-native network functions (CNFs) and their deployment on NFVI and virtualized platforms.
(ref:hirist.tech)
