Join our Team
About this opportunity:
Ericsson is currently seeking a dynamic MS Core and Cloud Specialist. This vital role is grounded in technology leadership and expertise, and it will interface with a variety of our Core and Cloud domains, including CS Core, PS Core, IMS, IP Core, and Cloud. As part of the Ericsson Operations Engine, your responsibilities span the full cycle of Create, Sustain and Evolve, making a pivotal impact on our Managed Services deliveries.
What you will do:
Positive Technical Knowledge, configuration and troubleshooting experience of the specific CORE nodes viz AMF/SMF/UPF/UDM/PCF/NRF/SGSN/MME/GGSN/DNS /PCRF/PGW/SGW/ePDG/AAA.
Perform software updates and upgrades on core network nodes while ensuring service stability and minimal customer impact.
Manage traffic optimization and loa d distribution across core network elements such as MME, GGSN, SMF, and AMF to maintain balanced network utilization.
Implement and validate APN/DNN configurations in accordance with network design and service requirements.




Execute capacity-related subscriber migrations and load balancing activities to maintain optimal network performance.
Execute network changes during Maintenance Windows (MW) in accordance with approved Change Requests (CR).
Monitor node health, KPIs, and alarms during maintenance activities to ensure network stability.
Support 4G/5G Core network operations, including configuration validation, troubleshooting, and performance optimization.
Strong understanding and hands-on experience with 3GPP standards, VoLTE/IMS related configurations within core network elements such as MME and GGSN/PGW and Packet Switched (PS) Core protocols.
Sound domain knowledge across 2G, 3G, 4G, and 5G technologies, including VoWiFi.
Hands-on experience in network configuration tasks including OSPF configuration, IP pool management, OCS/DRA/PCRF integration, LAC barring, CSFB, SRVCC, APN creation, BSC/RNC migration, and TAI-DB management.
Understanding of SS7 network arc

📌 Senior Engineer (Noida)
🏢 Ericsson
📍 Noida