Engineer-Packet Core

Ericsson; Dadri; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Ericsson India is seeking a dynamic Engineer Packet Core in Noida to ensure configuration, troubleshooting, and security compliances on various Core nodes within Ericsson Network Architecture.

You will handle configuration, upgrades, and daily review of TT, CR, and AT, ensuring MSTOP processes are followed and security policies are enforced. A strong grasp of 2G/3G/4G/5G, VoWifi, and CIC/IMS-related configurations is required.

Qualifications

• Hands-on experience with Packet Core and core network elements.
• 4+ years in Packet Core/telecom environments preferred.
• Strong understanding of 2G/3G/4G/5G call flows and signaling.

Responsibilities

• Configure and upgrade CS Core nodes, review TT/CR/AT daily.
• Ensure security policies and password policies are followed.
• Contribute to procedures and routines within the department.
• Troubleshoot Packet Core elements (SGSN, GGSN, PCRF, PGW, etc.).
• Understand SS7, GPRS/3G call flows and RF aspects.

Skills

SS7 Protocols

SIP & Diameter

GTP Signaling

3GPP Core Knowledge

VoLTE/IMS

Job description

About this opportunity

Ericsson is currently seeking a dynamic Engineer Packet Core. To ensure configuration/Trouble Tickets/Troubleshooting/Security Compliances on various Core nodes on Ericsson Network Architecture.

Join our Team

Ericsson is currently seeking a dynamic 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 Skill 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 with minimum 4 years into it.
• 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."

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?

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: 790282