Summary
Overview
Work History
Education
Skills
Certification
Work Availability
Timeline
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Saravanakumar R

Packet Core Technical Specialist
Chennai Tamilnadu ,Tamilnadu

Summary

ABOUT ME I am a dedicated, organized, and willing to take up challenging and creative responsibilities with hard work, integrity, and teamwork. Ever eager to learn new technologies and concepts, great team player. The telecom industry faces a new technology is inevitable. Choosing the right technology according to the domain with the deeper analysis is an art. Understand the domain, Identify the state-of-art technologies, continuous learning, adopt/accept the change & work as a team are the key elements which I have been focusing on.

Overview

13
13
years of professional experience
4
4
Certifications

Work History

Technical Specilist

HCL
Chennai, Tamilnadu
06.2022 - Current
  • 1
  • Regression testing, Session resiliency testing, Funtional/Features testing of LTE
  • Hands on experience to setup end to end LTE lab using real nodes
  • Responsible for learning,understanding , and integrating new features into the lab
  • 4
  • Assigned responsibilities of identifying and troubleshooting various network issues
  • 5
  • Discussion with developer for the new feature requirement, Bug/Defects
  • Raising for unexpected results/Errors
  • 6
  • Automation job has been executed on every sprint release and results collected in Cucumber report and then manually re-run the failed test cases.

Specialist

Ericsson India Global Services Pvt Ltd
Chennai
08.2020 - 06.2022
  • 7
  • Prepared high-level design (HLD) and low-level design (LLD) document for all node/feature implementation in multi-vendor network
  • 8
  • Managed Packet Core Network Performance Audit, Design, and Configuration,
  • Operational Assistance-Troubleshooting, Upgrade, Integration, and
  • Optimization
  • 9
  • Analyzed the Traces & KPI of different Packet Core interfaces & issues to optimize & troubleshoot the problem in network and relate to call flows and 3GPP Specs 10
  • 4G / LTE EPC,5G and LTE Packet Core network design and architecture and
  • Core expertise MME and GW – SGW, PGW
  • 11
  • Performed Packet Core network optimization based on KPI analysis and customer request
  • 12
  • Maintained the capacity of Packet Core Nodes & optimize the traffic between different nodes to maintain the network to perform well.

Senior Systems Engineer

Altran Technologies Pvt. Ltd
Chennai
04.2013 - 11.2018
  • 13
  • Customer Service request handling Tech Support & testing on IMS/SIP products like Access SBC and Peering SBC/ISBC/ products based deploy on
  • RMS & Cloud
  • 14
  • Troubleshooting and providing remedy in timely manner to fix the problems
  • 15
  • Analyzed the logs and events for the problem occurred for the raised tickets and providing the solutions within SLA period
  • 16
  • Performed Software upgrade/Parameter changes planned activity MOP executions in the MW
  • 17
  • Analyzed the call traces for any call drops and analyzing system and application logs for software related errors
  • Page 2 / 4 18
  • Volte KPI analysis and investigation to raised support requests
  • 19
  • Providing the detailed MOP to the customer to perform minor/major planned activities
  • 20
  • Follow-up with the development team for fixture and applying the solution provided and testing the bug clearance
  • 21
  • Emergency handling within the time limit and doing timely escalation based on the escalation matrix
  • 22
  • Excellence in conducting analysis and troubleshooting on the basis of
  • Wireshark traces, signaling log, master logs, PM data, syslog’s, profile logs, crash logs, Package logs, Archive logs, and so on
  • 23
  • Troubleshooting on E2E call flow (Call hold, registration, call forward, SRVCC etc.)

Senior Engineer

Plintron Mobility Solutions Pvt. Ltd
04.2013 - 11.2018
  • Responsible for daily operations, maintenance & service level administration of Huawei packet core entities (UGW, CG) of Lycamobile network
  • 25
  • Configuration of New APN, PCRF, OCS
  • And required changes implemented in
  • UGW based on business requirements for the satisfaction of the customers
  • 26
  • DPI functions for filtering and redirecting URL level at layer 7 and layer 3 by protocol wise
  • 27
  • Implementing new PCRF rules for social packs and differential charging, content and service-based charging
  • 28
  • Speed throttling and QOS modification with user data packs with the static and dynamic PCC rules
  • 29
  • PCEF definition for integrate with new PCC rules from PCRF
  • 30
  • Interface configuration of Gn/Gp, S5/S11, Gy,Gx,Gi ,Ga , S1-MME, S6a, S11 and
  • VPN interfaces for differentiate the data traffic effectively
  • 31
  • Patch and software upgrade in UGW, Firewall and Lanswitches in Data networks
  • 32
  • Data migration from one UGW and another GGSN with the minimum outage for customer level
  • Monitoring the DATA usage reports and do the necessary actions to avoid the failures and hardware overload to the systems
  • 33
  • 24x7 operation, maintenance, support, routine Health checks, traffic analysis, software upgradation, preventive & corrective maintenance of packet core nodes Huawei and Nokia service router SR-7750(PGW)
  • 34
  • Providing end to end to support for Lycamobile(20 countries), Plintron-Brazil and Roamware projects.

NSS Engineer

Huawei Technologies Pvt. Ltd
08.2010 - 04.2013
  • 35
  • Handling the installation of Huawei GSM switch-MSOFTX3000 and Media gateway- UMG8900
  • 36
  • Configuration management for GSM switches (MSOFTX3000) Call routing
  • SCCP configuration for HLR, IN & VLR
  • 37
  • SMSC configuration/routing management
  • 38
  • Carried out all Acceptance and Redundancy testing in MSC/ MGW & UGMSC
  • 39
  • Configuring SIP & SS7 carrier, BICC connectivity with STP, UGMSC & Inter MSC
  • 40
  • Configuring ISUP connectivity with other operators, GT Table and MAP interface to external HLR and SMSC
  • 41
  • Implementing complete National, International Roaming configuration in switch
  • 42
  • Preventive maintenance for the Node on daily, weekly, monthly, quarterly basis like charging file status, SS7 signaling link status, Server loads, circuits and circuit group status
  • 43
  • Generation & Analysis of Performance Management Reports for KPI accomplishment
  • Page 3 / 4 44
  • Analyzing Active Alarms in MSC & MGW 45
  • POI augmentation, MSC /MGW expansion
  • 46
  • Performing Audits: B-Table/core audit/table optimization Audit/Lifeline testing on TN MSC’s /Corporate and Client audits
  • 47
  • Involved in the expansion of MSC and MGW.

Education

Master Degree -

Anna University

Skills

TOP TECHNOLOGIESundefined

Certification

2020 | AWS Certified Solutions Architect –

Work Availability

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Timeline

Technical Specilist

HCL
06.2022 - Current

Specialist

Ericsson India Global Services Pvt Ltd
08.2020 - 06.2022

Senior Systems Engineer

Altran Technologies Pvt. Ltd
04.2013 - 11.2018

Senior Engineer

Plintron Mobility Solutions Pvt. Ltd
04.2013 - 11.2018

NSS Engineer

Huawei Technologies Pvt. Ltd
08.2010 - 04.2013

Master Degree -

Anna University

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Saravanakumar RPacket Core Technical Specialist