Senior Engineer-Packet Core

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.
• Hands on experience on Huawei MSOFTX3000, UMG8900, SE2900.
• 2G/3G/LTE/4G, VoLTE/IMS, call flows.