Engineer Packet Core

## Join our Team About this opportunity: We are looking for a skilled and driven Optimization Engineer to join our Managed Services team in Noida. This role sits at the heart of Packet Core performance, offering you the opportunity to work across cutting-edge 2G/4G/5G NSA networks, collaborate with global telecom vendors, and directly impact end-user network experience. If you thrive in a fast-paced, technically demanding environment and bring a right-first-time mindset, this role is for you What you will do: * Drive performance and optimization activities within a managed services operations environment * Perform configuration and troubleshooting of Packet Core nodes (SGSN/MME/GGSN) across Nokia, Cisco, and Ericsson platforms * Conduct KPI analysis, trace analysis, and lead improvement initiatives for Packet Core performance * Manage and execute configurations including OSPF, IP pool addition, OCS/DRA/PCRF definition, LAC Barring, CSFB, SRVCC, APN creation, BSC/RNC migration, and TAI-DB management * Support VoLTE/IMS-related configurations in MME and GGSN * Analyse GPRS, VoLTE, and EPC/LTE call flows and ensure seamless network interface integration (Gb, Gr, Gi, Gn, Gx, Gy, S1, S6a, S11, SGs, S10, etc.) * Work with Deep Packet Inspection (DPI) configurations and service-aware charging concepts * Stay current with latest Packet Core technologies including CUPS, F5, and Cloud-based nodes * Work independently with minimal supervision, owning performance outcomes end-to-end The skills you bring: * Degree in Electronics and Telecommunication Engineering * 4–8 years of relevant experience in Telecom/Packet Core domain Technical Expertise * Strong hands-on experience on Packet Core nodes: SGSN, GGSN, MME, PCRF, EPDG, DNS, AAA * Good understanding of Telecom Networks specially in 2G/4G/5G NSA/5G SA/M2M/VoWifi domain * Sound level domain knowledge around 2G, LTE & 5GNSA/5G SA * Proficiency in Cisco and/or Huawei Packet Core node troubleshooting and configuration * In-depth knowledge of GSM / WCDMA / LTE / VoLTE technologies and 3GPP standards * Solid understanding of 2G, LTE, and 5G NSA domain * Expertise in PS Core protocols, SS7 networks, and EPC/LTE call flows * Familiarity with PACO KPIs, their analysis, and improvement planning * Knowledge of latest technologies: CUPS, F5, Cloud Packet Core * Minimum proficiency across 2 vendors (Cisco, Nokia, or Ericsson) Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next. What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more. Primary country and city: India (IN) || Noida Req ID: 785029