Engineer Packet Core
Ericsson · Delhi
- Experience4–8 yrs
- SalaryNot disclosed
- RoleElectronics Hardware Engineer
- Work modeonsite
- Posted13 Oct 2026
About Ericsson
Ericsson is hiring in Delhi in telecom. This role looks for around 4+ years of experience.
Skills
- Packet Core
- SGSN
- GGSN
- MME
- PCRF
- EPDG
- DNS
- AAA
- Cisco
- Huawei
- Nokia
- Ericsson
- 2G
- 4G
- 5G NSA
- 5G SA
- M2M
- VoWiFi
- GSM
- WCDMA
- LTE
- VoLTE
- 3GPP standards
- PS Core protocols
- SS7
- EPC/LTE call flows
- PACO KPIs
- CUPS
- F5
- Cloud Packet Core
- OSPF
- Deep Packet Inspection
- IMS
The role
Packet Core optimization engineer for a telecom managed services team. Applies telecom packet core and 2G/4G/5G network expertise to configure and troubleshoot core nodes, analyze KPIs and call flows, and improve performance across vendor platforms. Uses 3GPP standards and Cisco configuration skills to support VoLTE and cloud-based packet core technologies.
Full job description
Join our Team
About this opportunity:
We are looking for a skilled and driven Packet Core 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 environmentPerform configuration and troubleshooting of Packet Core nodes (SGSN/MME/GGSN) across Nokia, Cisco, and Ericsson platformsConduct KPI analysis, trace analysis, and lead improvement initiatives for Packet Core performanceManage and execute configurations including OSPF, IP pool addition, OCS/DRA/PCRF definition, LAC Barring, CSFB, SRVCC, APN creation, BSC/RNC migration, and TAI-DB managementSupport VoLTE/IMS-related configurations in MME and GGSNAnalyse 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 conceptsStay current with latest Packet Core technologies including CUPS, F5, and Cloud-based nodesWork independently with minimal supervision, owning performance outcomes end-to-end
The skills you bring:
Degree in Electronics and Telecommunication Engineering4–8 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, AAAGood 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 configurationIn-depth knowledge of GSM / WCDMA / LTE / VoLTE technologies and 3GPP standardsSolid understanding of 2G, LTE, and 5G NSA domainExpertise in PS Core protocols, SS7 networks, and EPC/LTE call flowsFamiliarity with PACO KPIs, their analysis, and improvement planningKnowledge of latest technologies: CUPS, F5, Cloud Packet CoreMinimum proficiency across 2 vendors (Cisco, Nokia, or Ericsson)
“All academic credentials must be from recognized and accredited institutions and are further subject to verification.”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: 792319