PS Core Engineer

Job description / Role

My client is looking for an experienced PS Core Engineer it is essential you have the following skill set:-

The Packet Core Operations Engineer is responsible for the Operations, Configuration management and routine maintenance of the CS Core network elements deployed in the Mobile Network. The Packet Core engineer will also provide Level 2 fault management support for all network & Customer complaints related to the CS Core Network.
The role will be performed during the business hours and working in On Call rota to support out of office hours technology incidents.

Requirements

Fault Management
Handling L2 fault management of Packet Core faults and ensuring TT assignment as per SLA.
Managing the major incidents in Packet Core network
On site intervention and hardware replacement for faulty network elements
Local Monitoring in case of visibility loss from NOC.
Remote assistance and on site intervention for resolution of Packet Core network problem (including Loop break, site restoration, reset, hardware alarm rectification etc. ) and on site intervention for planned operations of Migration and Commissioning
Outage monitoring and Preparation of outage analysis
Perform Escalation and Notification to keep management and other business units informed during system outages. Interfacing with level 3 and R&D and Support other function to find Root Cause analysis for the all issue and outages related to Packet Core network
Maintenance & Performance Management
Owner for all the Tools and database system in the Packet Core network and responsible for Backup ,license and capacity management of these systems
RMA requisition, Faulty card dispatch and TT updating as per SLA.
Ensuring Safe storage and availability of spares, tools & inventory & its maintenance.
Ensuring all TGs Utilization below bench mark on all POIs by raising plan for the new augmentation with all POI Partners. Analysing Vendor ATPs & acceptance.
Daily/weekly/monthly backups of all Core nodes.
Maintain Gb, Gx, Gy, Gi, Gn/Gp, Ga, Gr, s6a , s11,s1-U,S1-MME, S5 /S8 interface utilization below 70% and augmentation beyond it.
Maintain SS7, HSL, CPU utilization at 40% and all Processor, ensuring GB , S1-U , IUPS links utilization of below 70%.
Generation and publishing Core reports and data for performance analysis.
Configuration Management
Tracking and reporting of CORE Network Performance and implementing improvement plans.
Raise Work order for any Configuration change and request to configuration for work orders
Timely execution, testing and closure of the Configuration Work orders with logs.
Database Configuration & Modification in database for GB , IUPS , S1-AP interfaces with RAN
Performing Testing and auditing implementations of Vendors Core competencies, knowledge and experience [max 5]:
Minimum 6 years of Hands-on- experience & knowledge in CISCO ASR5K CGSN, ePC , PCRF , AAA ,IMS ,HSS, DNS , charging gateway & Alcatel lucent IMS ( ISGCF, PSGCF ,SGCF) core Network elements
Experience with TCP, IP, SCTP, Diameter, GTP, RADIUS, routing protocols (BGP, OSPF, ISIS), 802.1P/Q VLAN tagging. Good understanding EPC interfaces (S6a, S1-C, S1-U, S5/S8, Sgi, S11, S10) & CGSN (Iups, Gb, Gx, Gy, Gi, Gn/Gp, Ga, Gr ) interfaces.
Packet Network technologies/protocols including IPv4, IPv6, Ethernet, IS-IS, OSPF, MPLS, QOS, and SNMP. Rich Operation & deployment experience covering various scenarios (such as PSTN migration, Vo LTE/Vo WiMAX, IT & CT convergence and multimedia/streaming services on smart phones ). Experience on LTE solutions, including the CS Fall back (CSFB) solution and the IMS-based SRVCC solution. Voice Signalling Protocols including SS7, MGCP , SIPT.
Migration , Modifying logical parameters , firmware upgrade , activity related to the Packet Core Network. Expert Knowledge to capture and analyse traces (System traces/Wire shark/K15 protocol analyser) for troubleshooting.
Expert knowledge of End to end network architecture in a mobile telecoms environment. Knowledge on International roaming, charging, data rating and billing systems. Full understanding of IR.21 document.

About the Company

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