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
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What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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