Specialist Packet Core

Technology, Data & Digital · IT Infrastructure & Security · Network Administration · Software Engineering

In short

Ericsson is seeking a Specialist Packet Core in Noida, India, to manage configurations, upgrades, and troubleshooting on various Core nodes. This role requires expertise in 3GPP standards, PS Core protocols, and multiple packet core network elements from vendors like Ericsson and Huawei.

Responsibilities

Ensure configuration, upgrades, and updates on various CS Core nodes.
Monitor and review TT, CR, and AT on a daily basis.
Ensure MSTOP Processes are followed in the Workplace.
Ensure Password policies, security policies, and audits are properly and periodically followed.
Contribute to the creation and improvement of procedures and routines within the department/group.

Requirements

Good understanding and experience on 3GPP standards and PS Core protocols.
Sound 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.
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.
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.

Benefits

Outstanding opportunity.
Chance to use your skills and imagination to push the boundaries of what's possible.
Build solutions never seen before to some of the world's toughest problems.
You'll be challenged, but you won't be alone.
Joining a team of diverse innovators.
Encouraging a diverse and inclusive organization is core to our values at Ericsson.
Championing diversity and inclusion in everything we do.
Collaborating with people with different experiences drives innovation.
Encouraging people from all backgrounds to apply and realize their full potential.

Skills

3GPP standardsPS Core protocols2G3G4G5GVoWifiCiscoHuaweiNokiaEricssonSGSNGGSNPCRFDNSSGWPGWEPDGAAAVOLTEIMSMMEOSPFIP poolOCSDRALAC BarringCSFBSRVCCAPN creationBSCRNCTAI-DB managementSS7 networkGPRS call flow3G call flowEPCLTEVoLTERF networkGbGrGiGnIUPSGxGyGzS1S6aS11SGsS10Deep Packet InspectionPACO KPIsService Awarenessdifferentiated chargingCUPSF5Cloud5G NSA5G SASS7ISUPBICCSIGTRANINAPCAPTCAPMAPSCCPSIPSDPGTPDiameter signalingMSCM-MGwI-SBCAXE 810APZ 214 01/03APG 43LGMPv3GMPv4SIS-BCBSP-BCMSOF T X3000UMG8900SE29002G/3G/LTE/4GVoLTE/IMS

#Packet Core#Ericsson#Noida

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