Experience

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  Wipro infotech

  Nov 2009 - Jan 2013

  Engineer- application support l1

  3 years of experience with WIPRO INFOTECH (WI) from November 2009 to 26 Jan 2013 as an Application (L1) Engineer on the TELECORDIA - AIRCEL project.Team Role: -Application (L1) Engineer (O & M)O & M Team (Intelligent Network)Technology: -Operating System: - UNIX- AIX 5.3L (IBM), Solaris 10 (Oracle)Database: Oracle 10gSignaling Protocol: SS7, SIGTRAN, Diameter for Packet Data (GPRS)Project Description: -This project was based on AIRCEL prepaid service in various circles. AIRCEL purchased the TELCORDIA (ISCP) IN from TELCORDIA. The O&M services for ISCP was provided by the Wipro starting from the date of Takeover of the Intelligent Network activities in the manner of operating a 7X24X365 Data Center with the Hardware and Software required to support AIRCEL IN Services.Roles and Responsibility: -• To monitor the overall TELCORDIA ISCP service based Servers (SCM, SPACE, DRS, CPs, SLDBs, SS7 and Diameter FEPs) through MOC GUI as well as through backend (command-line).• Troubleshooting of MSAP Software based alarms, errors on various Servers and bad status of hardware (RAM, Power supply, Link and Main board of FEPs etc.) under various circumstances.• Handling all type of Post Call Notifications (End of call, SMS, DATA and Balance Check) for AIRCEL Subscribers through TELCORDIA SPACE (Service provisioning and creation environment) tool.• Responsible for TELCORDIA Voucher Management System while changing the states of Vouchers present in EDB (Environmental Database) server through backend by Using/Creating UNIX Shell Scripts.• Monitoring CDR samples for all prepaid scenarios while accessing TELCORDIA DWS (Data Warehouse) server using SQL and shell scripts or CRONTAB Scheduling. • Responsible for follow-up with TELCORDIA Tier2 support line to resolve the Critical and Major issued TRs. Show less

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  Ericsson

  Jan 2013 - Oct 2017

  Support engineer

  Worked with ERICSSON INDIA GLOBAL SERVICES PVT. LTD. (EGI) from Jan 2013 to 30 November 2017 as a Senior Engineer - Customer Support (BSS).Team Role:Senior Engineer- Teir-1 Customer Support (BSS GSC- IN)ERICSSON Charging System (Intelligent Network)Technology:Operating System: Linux (RHEL, SUSE), Solaris 10 (SUN 4u, Sun 4v SPARC & X86 chip architecture based M2 series Servers and HP ProLiant DL360p Gen7/8/9 blade Servers)Signaling Protocol: SS7, SIGTRAN, CAPv1-3, MAP-v3, DIAMETER (Gx, Gy), ERICSSON Propriety Protocols SCAPv1-2Database: Oracle 10g, Times Ten, Cassandra.The Project assignment RASO (Asia pacific region countries & Australia, New Zealand)/RSSA (Africa region countries) Tier-1 support is a remote & onsite Global delivery service from ERICSSON Customer-Support(CS), offers to the customers to raise the incident tickets (CSR) & get the resolutions/support on Ericsson charging system specific applications and OS based issues (application software bug, configuration issues, performance, wrong CDR charging, Hardware & database issues as well as software upgrade network rollouts and new network implementations requests etc. in the customer network.Roles and Responsibility: -• To provide root cause analysis (RCA) under the SLA period on High and Major Customer Service request (CSRs) raised by the customer for CCN, AIR, SDP, VS, CS-NMT (SUF), EMA, CRS (NGCRS) and EMM nodes.• To resolve the critical and major CSRs for OS based alarms, errors on various Servers and bad status of hardware (RAM, disks, tape drives and processors boards etc.) replacements within the customer maintenance window.• To coordinate with internal team (Tier2 support & Product Design Unit) to resolve the issues instead of Rollback as well as working on testing scenarios with the customers and 3PP vendors. Show less

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  Ericsson india global services pvt. ltd.

  Nov 2017 - Jun 2019

  Senior engineer - bmas (2nd level assurance)

  Worked with BMAS South BO for Bharti Airtel - South.

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  Sicap

  Jul 2019 - now

  Service and support expert