The Packet Core Engineer will design, configure, troubleshoot, and optimize packet core elements across various telecom domains, ensuring optimal operational outcomes and mentoring junior engineers.
Join our Team
About this opportunity:
We are seeking an experienced Packet Core Engineer to join our managed services operations team. The role focuses on design, configuration, troubleshooting and optimization of packet core elements across 2G/3G/4G/VoLTE/IMS domains, working with multi-vendor environments (Huawei, Cisco, Ericsson). The ideal candidate acts as an SME, driving KPI improvements and ensuring best-first-time operational outcomes.
What you will do:
The skills you bring:
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: 777250
About this opportunity:
We are seeking an experienced Packet Core Engineer to join our managed services operations team. The role focuses on design, configuration, troubleshooting and optimization of packet core elements across 2G/3G/4G/VoLTE/IMS domains, working with multi-vendor environments (Huawei, Cisco, Ericsson). The ideal candidate acts as an SME, driving KPI improvements and ensuring best-first-time operational outcomes.
What you will do:
- Act as SME for packet core design and operational activities in a managed services environment.
- Configure, integrate and troubleshoot packet core nodes (MME, SGSN, GGSN/PGW/SGW, UGW/USN) across Huawei, Cisco and Ericsson platforms.
- Perform end-to-end call flow and protocol trace analysis (GTPv1/v2, Diameter, SS7, SIP for IMS/VoLTE).
- Implement and maintain routing and IP configurations (OSPF, IP pools), APN provisioning, TAI-DB, LAC barring, CSFB, SRVCC and BSC/RNC migrations.
- Integrate and validate policy/charging elements (PCRF, OCS, DRA) and related interfaces (Gx, Gy, Gz, Gy, S6a, S11, S1, SGs, Gn/Gr/Gi).
- Monitor, analyze and improve packet core KPIs (including PACO-related KPIs) and drive end-user perception improvements.
- Configure and validate Deep Packet Inspection (DPI) and service-awareness / differentiated charging solutions.
- Provide technical troubleshooting, RCA and corrective action plans; prepare design/configuration documentation and operational runbooks.
- Work independently and mentor junior engineers; interface with vendor support for escalations and SW upgrades.
The skills you bring:
- 4-8 years of relevant telecom experience with strong exposure to Packet Core (EPC/GPRS/IMS).
- Hands-on experience with packet core nodes (SGSN, GGSN/PGW, SGW, MME, UGW/USN) on Huawei, Cisco and/or Ericsson platforms (minimum two vendors preferred).
- Strong understanding of GSM/WCDMA/LTE/VoLTE and associated 3GPP standards.
- Proven experience in packet core configuration, protocol trace analysis and KPI troubleshooting with measurable outcomes.
- Familiarity with SS7, GTP, Diameter and SIP signaling.
- Practical knowledge of OSPF, IP pool configuration, APN setup, PCRF/OCS/DRA integration, CSFB, SRVCC, TAI management.
- Experience with DPI, service awareness and differentiated charging concepts.
- Ability to work independently, adopt right-first-time approach, and act as SME.
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: 777250
Top Skills
Cisco
Diameter
Dra
Epc
Ericsson
Ggsn
Gprs
Gtp
Huawei
Ims
Mme
Ocs
Ospf
Pcrf
Pgw
Sgsn
Sgw
Sip
Ss7
Ugw
Ericsson Kolkata, West Bengal, IND Office
Kolkata, West Bengal, India
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