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IREG, Networking, Customer Support

Brampton, Ontario, Canada
May 21, 2018

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Sourabh Sandal

E- Mail:

**, ****** ******, ********, ** L6X 2M2

Contact: +1-647-***-****

Resume Summary

Having rich experience in CS Core (2G/3G/LTE) Networks as an efficient and responsible professional having experience in troubleshooting, solution designing, planning, implementation and support.

Technical Skills

Sound knowledge of IMS architecture.

Router configuration Cisco 7609.

Basics of IP and Routing Protocols.

Handling of KPI and Network related troubleshooting on real time basis.

Network and Solution Designing and Planning for Voice Network.

Amazon web services (Solution Architect)

Provided support in IREG testing as per standard test procedures

IREG SPOC in Idea Network (2010 to 2015). Performing IREG tests and completion of (IR24, IR32, IR35, IR60 & IR50) testing & supports in new International /National roaming tie-up launch.

Proficient in Troubleshooting of NOKIA (DX-200), ATCA MSS AND IPA 2800 MGW with sound knowledge of telecom technologies & providing technical support on Core switching systems.

Proficient in Analysing Switch KPI’s Like CSR, PSR, ASR, CGR Utilization, BHCA, Processor Load, Signalling Load, Clear Codes & Alarms troubleshooting etc.


Tektronix, Ultra edit-32, Tica tool for CDR decoding, Secure CRT, Putty, WINSCP, FTP, MS Office.

Carrier Achievements

Three times winner of Idea Excellence Award for Correction Roaming parameter for avoiding revenue leakage. Improving Successful call Ratio from 93.5% to 96%. BSC rehoming/BSC SPC modification within record time.

Receiving TTL STAR award for Planning & upgrading bandwidth between NSN core router & MPLS router within resources & excellent coordination with BSNL officials for Low Utilized POIs surrendering/optimization for saving approx 21.36 lakhs INR.

Received customer appreciation mails to improve LOST calls in Airtel Bharti Project.

Work Experience

Ericsson Global India Limited

NPO Team Lead Feb 2017 – April 2018


Switch NQI, KPI, BHCA, CSR & PSR, Implementation of switch as per agreed plan, Roaming Report, Planning for up gradation of new network element, co-ordination with RF and BSS on RF KPI reports and Marketing Business plan study for implementation in IN, CSR and Clear code report of IN.

Good knowledge of IMS architecture with all the nodes (P-CSCF, I-CSCF, S-CSCF, TAS, BGW, and HSS) and also having knowledge on end to end call flow including IMS Registration.

Initiate New Feature Trials, Conduct Pre- post comparisons of performance & fine tune the same and implement across the circle.

Managed technical queries on all roaming related problems and resolved them effectively.

Tested signals for roaming partners and performed tests on signal strengths.

Performed troubleshoot on roaming network when required.

Assisted customers and roaming partners and performed IREG tests on various roaming products and prepared necessary documents.

New Node Planning and Optimization for CORE network.

Review of all technical documents & requirement analysis leading to in-depth system understanding.

Troubleshooting Critical/Major and Minor issues related but not limited to hardware, software and configuration.

Auditing and implementing changes on network elements to ensure uniformity of configuration across the network.

Resolving customer and call related issues by taking traces and their analysis of fault scenarios.

Change management handling activities related to upgrades, expansion, feature extension, patch loading, configuration changes etc.

Routine O&M activities such as carrying preventive maintenance procedures, detecting, analyzing & rectifying any fault of Nokia R-4 Network.

Analyzing signalling link load & CPU processor load in reports and plan to increase or optimize the capacity.

Analysis & generating reports of WAN interface traffic details.

Performance enhancement by analysis & reduction of Call Clearing Cause Codes.

Resolving Customer complaints forwarded by TSG by analysis of different traces.

Tata Teleservices Ltd

Deputy Manager Nov 2015 – Jan 2017


Owner of End to End Quality and Cost optimization of Wireless Core (2G&3G)

Troubleshooting of customer complaint & closure in provided TAT

Leasing with BSNL for any dispute & new Augmentation

Troubleshooting switching issues and evaluation SS7 messages when in roaming

Managing testing plans and performing software testing of network communication systems

Preparing testing documentation for future reference.

Providing signalling and switching support for roaming services

Plan, Monitor, Trend, Analyze & Act upon to improve: KPI of the Wireless network (2G and 3G)

Monitoring POI utilization, Blocked calls and POI wise performance across various work groups at the circle with improvement planning for poor performing POI’s.

Initiate New Feature Trials, Conduct Pre post comparisons of performance & fine tune the same and implement across the circle.

Analyzing Daily Traffic Reports and pointing out high utilization POI’s & ATER trunk groups and plan for the augmentation accordingly.

Traffic and load balancing prior to peak traffic days/festive season as per recommendation.

Planning of shutdown CDMA MSCs of TATA

Idea Cellular Ltd.

Senior Engineer Oct’2009 – Nov’2015

Roaming Configuration (GT Analysis, PLMN definition at MSS & HLR end, MSRN Routing).

Performing IREG tests and completion of (IR24, IR32 & IR35) testing & supports in new International /National roaming tie-up launch.

Worked on Tools link SIGOS, JDSU, and CRMS.

Completed the Acceptance test with the customer before making live of any network nodes.

Troubleshoot/Analysis issues discovered during IREG testing and raise them to the appropriate team either internally (CS/PS/IN Engineering) or externally (SS7 signalling providers, interconnect carriers and Roaming Partner.

Creation of different Routing Analysis (B Number Analysis, Pre-Analysis, Attribute Analysis and End of Selection Analysis).

Carrying out Software up gradation & Patch loading in HLR/MSS/MGW/GCS/GMGW.

Integrated New Node in network like high & Low Cap BSC’s, LBS, New VAS Severs & Services,

Planning & performing BSC re-homing activity in switch

Carrying out periodic System Fallback in system Hard disk & MO Disk.

Proficient in Analyzing Switch KPI’s Like CSR, ASR, CGR Utilization, BHCA, Signalling Load, Clear Codes & Alarms troubleshooting etc.

Played a central role for ICR configuration in 3G nodes.

Routine O&M activities such as carrying preventive maintenance procedures, detecting, analyzing & rectifying any fault of HLR, MSC, MSS, MGW’s & GCS.

Analyzing Daily Traffic Reports and pointing out high utilization POI’s & Ater trunk groups and plan for the augmentation accordingly.

Involved in Network Element Alarm handling and co-ordination for rectification of the same with field engineers and POI partner to achieve 100% network availability.


B.Tech in ELECTRONICS & COMM. ENGINEERING from L.L.R.I.E.T Engineering College, Moga, affiliated with PTU in year 2009.

Diploma in ELECTRONICS & COMM. Engineering, Punjab State Board of Technical Education and Industrial Training in 2005.


I hereby declare that the above-mentioned information is correct to the best of my knowledge.

(Sourabh Sandal)

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