Ericsson is currently seeking a dynamic Senior Engineer Packet Core. To ensure configuration/Trouble Tickets/Troubleshooting/Security Compliances on various Core nodes on Ericsson Network Architecture.
What you will do:
- To ensure configuration/upgrades/updates on various CS Core nodes monitoring and review of TT, CR and AT on daily basis.
- To ensure MSTOP Processes are followed in the Workplace
- To ensure Password policies, security policies and audits are properly & periodically followed.
- To contribute in the creation and improvements to procedures and routines within the department / group.
- Good understanding and experience on 3GPP standards and PS Core protocols
- Sound level domain knowledge around 2G, 3G, 4G, 5G, VoWifi.
- In-depth product knowledge of Cisco/Huawei/Nokia/Ericsson(At-least 2) Packet Core N/W Elements
- Configuration and troubleshooting experience of Packet Core Network Elements like SGSN, GGSN, PCRF, DNS, SGW, PGW, EPDG, AAA
- Knowledge of VOLTE/IMS related configuration in MME/GGSN
- Configuration knowledge of creation of OSPF, IP pool addition, OCS/DRA/PCRF definition, LAC Barring, CSFB, SRVCC, APN creation, BSC/RNC migration, TAI-DB management
- Understanding of SS7 network, GPRS call flow, 3G call flow, EPC/LTE/volte call flows and RF network of GPRS.
- Understanding of Gb, Gr, Gi, Gn, IUPS, Gx, Gy, Gz, S1, S6a, S11, SGs, S10 , Gi configuration & integration.
- Understanding of Deep Packet Inspection configurations.
- Should be well versed with important PACO related KPIs, their analysis & improvement plans.
- Good understanding of Service Awareness and differentiated charging related concepts.
- Knowledge of Latest Paco Nodes/Technologies - CUPS, F5, Cloud, 5G NSA, 5G SA, VoWifi
The skills you bring:
- Expertise on Protocols (i.e. SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, SIP, SDP, GTP, Diameter signaling)
- Call flows and Call scenarios, Multiple Test Cases, AT and clear understanding.
- Expertise on Ericsson and Huawei MSC, M-MGw, I-SBC etc.
- Hands on experience on AXE 810, APZ 214 01/03, APG 43L, M-MGw GMPv3 & GMPv4, SIS-BC, BSP-BC.
- Hands on experience on Huawei MSOFTX3000, UMG8900, SE2900.
- 2G/3G/LTE/4G, VoLTE/IMS, call flows.
"All academic credentials must be from recognized and accredited institutions and are further subject to verification."
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.We encourage you to consider applying to jobs where you might not meet all the criteria. We recognize that we all have transferrable skills, and we can support you with the skills that you need to develop.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
Job details: MS Core and Cloud Specialist
Job Stage: Job Stage 5
Skills Required
- Expertise in signaling protocols (SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, SIP, SDP, GTP, Diameter)
- Proven experience with Ericsson and Huawei core network elements (MSC, M-MGw, I-SBC)
- Hands-on experience with AXE 810, APZ 214 01/03, APG 43L, M-MGw GMPv3 & GMPv4, SIS-BC, BSP-BC
- Hands-on experience with Huawei MSOFTX3000, UMG8900, SE2900
- Knowledge of 2G/3G/LTE/4G networks, VoLTE/IMS and related call flows
- All academic credentials from recognized and accredited institutions (subject to verification)
- Ability to create and improve operational procedures and follow security/compliance processes (MSTOP, password/security audits)
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Healthcare Strength — Healthcare coverage includes employer‑verified medical, dental, and vision plans, along with HSAs/FSAs and EAP/mental‑health support. Wellbeing initiatives are highlighted as part of Life at Ericsson.
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Retirement Support — Retirement programs include a 401(k) with company matching that is employer‑verified, with mentions of match levels varying by time and team and pension support in some regions. This is frequently cited as a solid pillar of the package.
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Parental & Family Support — Paid parental leave is described as competitive in many U.S. postings, with examples up to 16 weeks maternity and 6 weeks parental/adoption at 100% pay. Family‑friendly policies and return‑to‑work support are also called out.
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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.
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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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