Core Network Manager
Vodafone - India
مجموع سنوات الخبرة :14 years, 4 أشهر
Roles / Responsibilities:
Responsible for the well-being of Core Network through planning and designing network, and perform relevant
network activities such as expansions, feature enabling, optimization, new integrations and applying latest
technologies and trends, to ensure that network is always ready to meet customer demands and growth and
provide customers with the best network experience.
Responsibility for installation, integration and troubleshooting IMS/VoLTE components.
MSS AND MGW EXPANSION - Creating sub rack, plug-in-units, and assigning IP.
Conduct analysis of C7 Signaling trace dumps for general network issues and service degradations.
Signaling definitions, link creation, route creation, MTP Routing, link set creation, Signaling shifting for
MSC/MSS/MGW. Configuration of SS7 links, link set, and route set Defining New connectivity on TDM level.
Configuring SIGTRAN for MSS to MGW connectivity.
Manage fault clearance and conduct analysis on Core Entities for hardware and software troubleshooting.
Trunk Creation & Augmentation (E1, A-ter and A-link), traffic shifting for MSC/MSS/MGW.
Generate statistical reports and conduct analysis for Core Network KPIs (e.g. CSSR, Paging, Handovers, Call Drops,
congestion analysis, BHCA and alarm logs) and follow-up with peer teams for network optimization
Various Software upgrades. All MSC, MSS and MGW upgraded to the latest CD level.
Connectivity of (New nodes integration) MSC with other GMSCs, STP or TSC.
Backup Management - Taking system backup on daily, weekly basis and maintaining database so that in case of
Emergency we can use it to restore the system to original state.
Alarm Monitoring and rectification - Regular Alarm Checking and Rectification and to maintain lowest alarms in
the system, for smooth running of the network, Action on Critical Alarms escalated by the Monitoring team on
priority.
Configuration of New connectivity with other operators (Intra Circle), NLD/ILD connectivity, End to end AT, Call
testing.
Integration of MSC with adjunct nodes i.e. HLR, IN, STP etc. Digit Analysis and Call Routing Managements.
Coordination with other operator, roaming Partners and third party to resolve networking & different KPIs issues.
Inter-operator POI connectivity, Augmentation of POI and AT - Configuration of New connectivity with other
operators (Intra Circle), NLD/ILD connectivity, End to end AT, Call testing, Getting it approved from Revenue
Assurance and making traffic live.
Routing - Routing of digits for new services offered, new levels, making changes in routing as and when needed,
Maintaining lowest level of revenue leakage due to routing. Regular Routing Audit to Improve customer Experience
and optimization of NLD/ILD bandwidth.
B no. analysis - New level opening, traffic diversion, MSRN/IMSI/GT Definition.
Routing case analysis, traffic bifurcation and roaming definition.
PRI configuration and expertise in troubleshooting. Short code/VAS code definition.
HLR subscription definition, profile definition/change.
Managing end-to-end execution of Wireless & Wireline projects including planning, configuration, commissioning,
operations, maintenance and troubleshooting of network equipment
Identifying new technology / product / services for network roll-out and optimization; planning for modernization
of network
Coordinating with core network component vendors to create specific roadmap; engage in core network
component price negotiations
Assessing test plans, tunnel, QOS and acceptance criteria for network designs; managing proof of concept testing &
design validation
Extending technical support to customers through remote and on-site troubleshooting; offering technical solutions
and hands-on support
Anchoring erection & commissioning of Telecom Equipment and ensuring completion of project in minimum
turnaround time, effective resource utilization to maximize the output
Managing installation & commissioning as well as conducting tests & inspections to ensure operational
effectiveness of utilities; effectuating maintenance plans for machines & equipment
Formulating various project reports for identifying areas of obstruction / defects, conducting troubleshooting,
service and repair to rectify the equipment
Leading, mentoring & monitoring the performance of team members to ensure efficiency in process operations and
meeting of project targets.
Handling of ZXUN MSS & ZXUN Media Gateway.
Responsible for Configuration & E2E troubleshooting.
Responsible for troubleshooting and debugging of issues.
Provide the accurate solutions for CSR’s (Customer Service Request) reported.
Coordination with R&D for resolution of issues reported by customer.
Handling of Software/Patch upgradation, configuration, fault management, analysis,
commissioning, decommissioning & migration of core NEs.
Provide the accurate solutions for CSR’s(Customer Service Request) reported, based on in-depth
analysis, in the agreed timeframe with high quality solutions.
Take part in development of internal methods.
Involved in Expansion, upgradation, Network Migration on commercial Live Network.
New Features Implementation.
Involved in Integration and configuration of ZTE MSS with Ericsson MSS.
Preparation of Migration DT (script) used during migration (for GT routing, B no, SRI traffic etc).
Involved in configuration of GT routing, IMSI & B no Analysis, signaling definition.
Responsible for resolution of network and subscriber issues/faults on the network by running
comprehensive checks and traces such as Inner Signaling, SCCP, B-number, A-number etc.
Responsible for implementing network changes such as new routes creation/expansion, B-
number/Global Title/MSRN/IMSI rollout based on change service request.
Ericsson BSC Integration with ZTE MSS, creation of signaling links, TDM termination in MGW &
creation of BSC data definition in ZTEMSS.
Involved in day to day core O&M issues.
Responsible for providing 2nd line support to Switch Operations, Network Management Services
and other teams.
Responsible for monitoring of KPIs in traffic stats with the sole aim of capturing network
degradation/faults and providing resolution.
Roles / Responsibilities
Perform network monitoring and first level fault troubleshooting of MSC-Servers (AXE810/APG40).
Operate and troubleshoot Ericsson MSC-Servers R12 (APZ21240, APZ21250, APG40) via winfiol and OSS-RC.
Isolate and Resolve alarms in MSC-Servers.
Escalate software and hardware faults beyond the first line support scope.
Implement work orders / MOPs to resolved escalated faults.
Support Remote troubleshooting of sites in isolating and troubleshooting faults and alarms.
Monitor and ensure no Signaling congestion .
Implementation of Contingency plans to reduce downtime and restore network availability.
Work with and support Ericsson Local support engineers in performing software upgrades via OSS-RC and Onsite activities.
Work with and support ELS in performing hardware replacement and upgrade at MSC-Servers.
Perform call tracings to investigate complaints raised by customer service department.
Perform Full and Routine Backup of both NSS & BSS nodes.
Routine Health Checkup of MSC/BSC. Daily, weekly & monthly Health check of MSC.
Health Check up taken and verified on daily basis to avoid the signaling related issues.
Supervision of power system of rectifiers and inverters as well as overall management concerns of the subsystem (ALARM SYSTEM)
Node B Integration, Alarm Monitoring and troubleshooting from RNC through OSS.
Implementation, Commissioning, Testing and Integration of Ericsson RBS 6000 Series.
Loading the O&M Access scripts, Hardware configuration scripts for Node B.
Configuring E1 Path, O&M Access, Site equipment and External Alarm Configuration for Ericsson NodeB Cabinets.
Formatting CBU & loading Basic CV.
Upgrading software packages for Node B.
Making configuration changes in RNC & Node B for E1 upgrade.
Testing the hardware parts.
On-Site Troubleshooting of all Alarms generated by RNC and Node B.
Traffic Observation, Service Quality measurements, its analysis & preventive action.
Alarm identification/solution for Node B/RNC, identify root cause.
License loading done for Node Bs from OSS
Mub & Iub connection troubleshooting.
Maintaining the HSPA and IPV4 status for all node B & RNC.
Providing field Support to rectify Node B related issues
Troubleshooting done through Tracings on different critical PS and CS related issues.
New features/services troubleshooting.
Create CSR & follow up, troubleshooting the problem etc.
Troubleshooting for integrating the new services.
Loading fixes etc, upgrading the node software release.
Provide quick temporary solution to prevent service loss in emergency situations.
SCOPE OF WORK
Complete Installation, Integration, Commissioning, Maintenance and Fault Rectification
of Ericsson BTS (2202, 2206, 2204, 2964, 2954 & Micro BTS 2111).
Software’s used: OMT 33_6, 34_9, 36_5, 37A, Remote OMT, Mini-Link Craft 2.0, 2.3, 2.9, 2.11, AXX CRAFT 5.1, 6.0, MSM 6.5, 6.8 etc.
Measurement of VSWR using site master.
All Minilink E Equipment installation, configuring, soft patching etc. 4×2/8, 2×2.
Traffic Node (2P, 6P, 20P) configuration, software upgradation, LTU 16×2 and LTU 155e/o, MU2B, MMU2C, 2D, 2E and MMU2F Configuration and Upgrade. All Transmission related activities.
Installation, commissioning and maintenance of Traffic nodes (2P, 6P, 20P).
DCN Management, Transmission Improvement, NMS Optimization.
Prioritize hardware faults to meet customer demands within the required timeframe along with
analysis, solution and reports of the same.
Communication of faults and solutions to the customer.
Fault management through physical interactions at sites.
Preventive maintenance of the sites.
Providing 24X7 support to maintain network availability.
O&M RESPONSIBILITIES
Handling all field maintenance in the circle, typical activities are corrective and preventive maintenance but also network changes that require physical intervention.
To Remote login in case of NOC outage to all traffic nodes on the Network.
To Manage Routine Alarms in the Network.
To Investigate the alarms, resolve fault & reassurance with NOC.
To interact with D&P, TAC and NOC for Change requests work orders.
To interact with Local vendors for environmental upkeep of sites.
2005 to 2009 Bachelor in Electronics and Communication Engineering from The University Of Kashmir. 2004 Passed 10+2 Board Exams with 70% marks. 2002 Passed 10th class Board exams with 80% marks.
