Jul 2021 – Jun 2024 · 2 yrs 11 mos · Gurugram, Haryana, India

Sep 2017 – Jul 2021 · 3 yrs 10 mos · Gurgaon, India

• RESUME
• ABHINAV MAHESHWARI
• S/O J.C.CHECHANI
• G 323 Sector 57
• Gurgaon DOB: SEP. 21-1983
• Email: abhiengg07@gmail.com +91-8826053311
• SUMMARY
• B.E. in Electronics & communication (2008) and currently working in EGI, Gurgaon as a Solution Integrator looking forward to work in a challenging and dynamic environment in a reputed organization
• BASIC KNOWLEDGE ON IMS
• Strong knowledge on IMS implementation in core nodes
• 1. Protocol: SIP, DIAMETER
• 2. Knowledge of CORE nodes. (CSCF,HSS,MGCF etc.)
• 3. Understanding of Call Flows like SESSION ESTABLISMENT and Authentication procedure in IMS.
• KEY SKILSS
• 1. Nodes: MSC, GMSC, MGW, HUAWEI (GMSC, MGW).
• 2. Protocol: SIP, MAP, ISUP, BICC, SIGTRAN, TCAP, GCP.
• PROFESSIONAL EXPERIENCE
• Experience:
• Currently working for CSI as a Solution Integrator (Aug’17 to still working).
• Worked on HSS, Classic HLR, CUDB.
• Migration of Classic HLR or HSS data base to CUDB.
• Knowledge of protocols LDAP, IGCMP etc.

Apr 2015 – Sep 2017 · 2 yrs 5 mos · Gurgaon, India

• Worked on AXE 810 Nodes of GSM MSC / GMSC / HLR / MSC-S) & MGW.
• Acceptance testing, troubleshooting and 2nd level real-time support for Ericsson GSM Core Network Solutions and products- (MSC-S, MGW, APG40, APZ-212 60, APZ 212 55).
• Provide support in Integration/Expansions MSC-S, MGW, APG40, APZ-212 60, APZ 212 55
• POI Augmentation (IP,TDM) & Creation of Signaling (Sigtran,SS7)
• Analysis of SS7 traces (ISUP call traces) of Ericsson MSCs.
• Loading Announcements in MGW
• POI Connectivity and AT with Private operators and BSNL L1&L2 Tax and CDR verification.
• Making changes in GT routing, B-Number ,SCCP ,MTP , AXE pars etc
• Migration of complete BSC, RBSC connected to MSCs to MSS-C/MGWs with all configuration & STM Migration
• Life line test for Core Node
• PRI Implementation
• Change of Faulty APG40 Node & APZ Node
• Emergency Handling support for the service provider operators ( Airtel )

Aug 2012 – Jul 2021 · 8 yrs 11 mos · Udaipur Area, India

• Monitoring alarm and take backup

Aug 2012 – Apr 2015 · 2 yrs 8 mos · Udaipur Area, India

• I am working as a Switch O&M Engineer

Aug 2012 – Jul 2021 · 8 yrs 11 mos · Udaipur,Rajasthan

• Experience:
• Working as a Switch O&M Engineer in Ericsson India Pvt. Ltd. (Off-Role) Udaipur.(Aug’12 to Still working)
• The work profile include Operations & Maintenance activities of Ericsson AXE-810 nodes of Bharti M&O Network MSCs, MSS, MGW, HLR, BSC/TRC..
• Professional work-Operations, Maintenance & fault management of Mobile Switching Center and Base Station Controller (Ericsson AXE 810 Platform) switches, Switch related hardware (MSC & BSC) and software installation and maintenance.
• Daily work profile includes-
• Preventive maintenance activity of AXE System. Resolving the Hardware and Software Related issue of AXE System. Taking Backups like CP Backup, APG Backup. Operation and Trouble-shooting of ERICSSON AXE 810 switches, MGW & HLR and its concerned auxiliary units. Hardware and software maintenance of NSS .
• Prioritize hardware faults to meet customer demands within required time frame along with analysis, solution and reports of the same, Carrying out network related administration activities like Charging files output backup, Exchange data backup on external disks regularly.
• Handling of Exchange data, Telecommunication service analysis, IMSI number series analysis, B-number analysis, Access barring analysis, Routing case analysis, Charging analysis, End of selection analysis, and Subscriber management.
• Worked as a Test Engineer in Ericsson India Pvt. Ltd., Jaipur.(Mar’08 to May’09)
• Responsibilities:-
• Testing of Ericsson Switches like RBSC, BSC, MSC, HLR, GMSC, and MSC-Server and making Hardware & Node up for the Installation.
• Trouble-shooting of faulty products at various stages of testing, systematic categorization and analysis of faults for initialization of corrective action.
• Clearance of A1, A2, A3 classes of Alarms in AXE switch nodes.
• Integration and testing of OMS and ET-4 cabinet with BSC, MSC and making STMs and E1s up for traffic test.