Rajarathinam Kalimuthu
Chennai
Summary
To obtain a position in which I have the opportunity to advance as I build knowledge, experience, and have a positive impact on company results. I want to continue to be challenged as I grow personally and professionally while helping others do the same.
Talented professional with 17+ years in the telecommunication industry, specializing in system integration and technical support. Ability to provide & deliver optimum NetAct,LTE, 3G & 2G Network Planning and Optimization solution. Strong leadership skills with capability & experience in leading teams & project management.
Overview
18
18
years of professional experience
1
1
Certification
Work History
OSS Specialist – Nokia Solutions Network Pvt Ltd
Infinite computer solutions Pvt Ltd
Chennai
06.2022 - Current
- Design document preparation HLD, LLD and SED for NetAct solution based on the customer requirements.
- Installing and Upgrading Nokia’s Network Management System named NetAct on the combination of various hardware such as C7000 Blade chassis, Rack-mount Servers, EMC storage and HP Switches, running VMware virtualized VMs with RedHat Linux and windows server 2012 R2 x64 OS.
- Upgrading firmware for the components in C7000 such as OA, Blade servers, VC Flex & SAN Switches and HP Switches
- Maintain lab servers to proper hardware, software, and firmware levels for use in testing and problem-solving scenarios.
- Lead multiple end-to-end NetAct OSS deployment projects, ensuring timely completion and adherence to quality standards.
- Collaborated with network engineering teams to integrate NetAct OSS solutions, optimizing network performance and reliability.
- Conducted comprehensive system tests, troubleshooting, and performance tuning to meet customer requirements.
- Provided technical training and support to junior engineers and stakeholders on NetAct OSS functionalities and best practices.
- Implemented proactive monitoring and alerting mechanisms to identify and resolve network issues, ensuring high availability and uptime.
- RedHat OpenStack cloud administration tasks such as Tenant, Network, Instance & virtual disks creation and deletion.
- VMs and Hosts addition & removal, VMs migration, network modification and other general operations on VMware using GUI and command line.
Senior Technical Lead-Reliance Jio Infocomm Ltd
Reliance Projects & Property Management Services Limited
Chennai
02.2017 - 05.2022
- Configuration and Troubleshooting of L2 switch (CISCO, RAD, Tec route & Raisecom) series.
- Configuration, troubleshooting of CISCO router ASR 900 series Router
- Monitoring and Management of the network at various remote location switch using various monitoring tool like CA Spectrum.
- Project for College WIFI Configuration and integrating switches using VLAN and STP, Skills Routers: Cisco ASR 901, ASR 920I,920o,ASR 903 series Routers.
- Configuration UBR Small Cell Router (Indoor and Outdoor cell)
- IOS Up gradation LAN via TFTP (Tec route, RAD & Raisecom Switches)
- Monitor & Optimize Network Performance KPI’s Like Accessibility, Retainibility, Mobility, Traffic, PRB Utilization, IP Throughput, CQI and Call Drops using JCP Tool
- Plan and deploy Macro & Micro Solutions Like IBS & Outdoor Solutions to meet expected coverage and capacity augment to improve and maintain the KPI’s.
- Initiate Statistical analysis for CQI RF optimization LTE & Volte and Small cells
- Analyze, troubleshooting and resolve the worst cells problem (from Soft offender and Top Offender List) to get best KPIs Improvement.
- Analyze traffic congestion and solve the problem by doing traffic balance and implement the high caps setting in LTE.
- Review Parameters /configuration and consistency check for new sites or new carrier launch Analyze and Power test UL RSSI and resolve UL RSSI problem.
- Performed parameters audits and fix inconsistencies, analyzed on every KPI Performance (access failures, drop calls, Handover failures, CSFB failures, PCI collision, Throughput, IRAT, TNOL-time not in LTE, CNOV- calls not in VOLTE) Identified area with High LTE Latency and Analyzed eUTRAN issue and provide the solutions.
RF Optimization Engineer-LTE Wireless Network
Reliance SMSL Limited
Chennai
06.2015 - 01.2017
- Analyze customer complains & take necessary actions to resolve
- Analyzed and resolved swap sectors issue(Antenna, Azimuth, Tilt verification)
- Configuration management and Analyzing KPI to improve network performance
- Closely monitoring high Utilization sites & Throughput, SINR issues with better Action take for Load balancing to avoid the Low Throughput data issues
- Capacity solution will be given based on the Network Congestion (Optimization/New Site Requirement/Additional Sector)
- To improve the coverage and capacity in High Rise Buildings, T Boom antenna was introduced and recommended in various high rise buildings of important Hotspots
- Monitor and analyze the SCFT, SCVT, CLOT, drive test activities and analyzing the report
- Planning the Macro, OSC & IBS sites for poor coverage areas by analyzing the drive test report
- Troubleshooting ENB alarms like RRH Communication fail, RRH low gain, GPRS function fail, MME Communication fail, ECP board deletion, CPRI fail& etc.
BSS Integration Engineer-Wireless Network
EssJay Ericsson India Pvt. Limited
Trichy
12.2014 - 06.2015
- Site Creation, Deletion, Band Conversion & Optimization like Cell site Expansion, Sector Addition/ Deletion, TRX Additions/ Deletion, GPRS & EDGE Activation/ Deletion, TX Power Change, Software up gradation, CBCH update & etc.
- And Troubleshooting on BSS by M2000 server MMI for Huawei equipment’s
- Scheduling and planning predictive, preventive and breakdown maintenance jobs with key focus on spares availability and root cause analysis
- Preparing maintenance plans/schedules for reducing equipment downtime to minimum for ensuring smooth operation
- Ensuring desired performance and O&M of NEs in the respective cluster
- Implementation activities like BTS commissioning and Integration (including database creation), and Swap/Re homing etc
- Supervision of troubleshooting activities of service affecting/non-service affecting BSC, BTS alarms
- Facilitate coordination and follow-up with OSP and transport team for restoration of BTS if fault occurs due to transport/utility
- Assisting in management of Tools, TMI & Spare Circuit Packs
- Training BTS O-&-M engineers on systems, processes, procedures, Preventive & Corrective Maintenance & Drive Data Collection
- RCA analysis for any outages & take corrective actions and Monitoring protections for transport at critical BSC & Hub sites
- Preventive Maintenance periodically to ensure the quality of sites & Correction as per the requirements
- Coordinating with the customer care and Marketing team regarding customer issues and solutions are provided to them
- Maintaining Network KPI’s CSSR, RFFail, Drop Call, HOF, etc
- For CDMA as per Benchmark
- Regular monitoring of the performance of site/ alarm/ blocks & MW performance errors/ threshold crossing and correction within the minimum period
- Frequent Site Visit for worst performing cells & for hub Sites and RBSC locations to audit.
RF SME Engineer –Wireless Network
Alcatel Lucent Managed Solutions India Pvt. Limited
10.2008 - 11.2014
- Site Survey, RF Optimization, Drive Test & Analysis, report Preparation, Single site ATP, Cluster Drive and Optimization, Cluster ATP and also ATP signup from
- Planning new sites by analyzing the by analyzing KPI & Coverage and also by discussing with customer
- Responsible for the optimization of the CDMA 1x & EVDO network that includes drive testing and tuning of cell parameters to achieve better quality of service
- Analyzing Post Processed data using NEMO for reasons behind bad FER, Rx, Tx, Ec/Io, Pilot overshooting Call Drop & Handoff Failure
- Prepare maps for various parameters like Mrx, Mtx, Combined Ec/Io, Forward FER etc
- For CDMA 1x Voice Network & also for EVDO Network(Parameters PER, Avg DRC, C/I, Ec/Io, Fwd Throughput etc.) Preparing Plan for Rehoming of BTS within the BSCs to reduce Hard handoff
- Analyzing and Maintaining KPI using M2000 server & LMT suggestive step
- Preparing daily performance report for Customer
- Checking alarms & Checking BTS/CELL service observation
- Analyzing Network KPI’s CSSR, RF Fail, Drop Call, HOSR,TCR for CDMA as per Benchmark
- Physical and Logical Optimization of existing network for improving coverage and call quality
- Drive tests using Agilent, NEMO Investigation tool for checking coverage and quality, while attending Customer complaints
- Post processing of log files using ACTIX, NEMO, Investigator suggesting Physical changes and Parameter Optimization to fine tune the Network.
RF Engineer – Wireless Network
Reliance Communication India Pvt Limited (RISPL)
Trichy
03.2008 - 09.2008
- Perform Physical Optimization like antenna orientation and tilting; sector Testing, PN Verification, Feeder Swap, and Antenna Verification
- Perform VSWR measurements, Distance to Fault Tests, Cable attenuations to ensure faultless RF Transmission path (Cable, Connectors, antenna systems)
- Survey of Capacity and Coverage sites and identifying options based on the Survey
- Attending daily customer complaints and providing feedback within 24 hrs before SLA violation
- Planning, Installation, Costing and Implementation of IBS (In-Building solution) of various capacities, Preparing and submitting ATP Reports and taking signup from customer
- Site Survey, RF Optimization, Drive Test & Analysis, report Preparation, Single site ATP, Cluster Drive and Optimization, Cluster ATP and also ATP signup from
- Planning new sites by analyzing the by analyzing KPI & Coverage and also by discussing with customer
- Looking after the optimization part of city sites for both EVDO & CDMA 1X Data & Voice Network
- Responsible for the optimization of the CDMA 1x & EVDO network that includes drive testing and tuning of cell parameters to achieve better quality of service
- Analyzing Post Processed data using NEMO for reasons behind bad FER, Rx, Tx, Ec/Io, Pilot overshooting Call Drop & Handoff Failure
- Prepare maps for various parameters like Mrx, Mtx, Combined Ec/Io, Forward FER etc
- For CDMA 1x Voice Network & also for EVDO Network(Parameters PER, Avg DRC, C/I, Ec/Io, Fwd Throughput etc.) Preparing Plan for Rehoming of BTS within the BSCs to reduce Hard handoff
- Analyzing and Maintaining KPI using M2000 server & LMT suggestive step
- Preparing daily performance report for Customer.
OM Engineer – Wireline Network
Bharati Airtel India (P) Ltd
Chennai
06.2006 - 03.2008
- Responsible for RSU(Switch Room and MDF Room)
- Responsible for Outline Plant(Pillar Sub pillar and DP)
- Customer Complaints Root causes analysis and solutions
- Supervision of Installation work carried by Contractors
- Managing the team to work in the field and coordinate with them
- Fault analyzing for Copper through master tester
- Maintaining inventory on inward and outward materials related to hub.
Education
Skills
- Nokia NetAct OSS Deployment & Configuration
- Troubleshooting & Root Cause Analysis
- Project Management skills, Team Management skills, Vendor Management
- GSM, CDMA, UMTS, LTE & VoLTE Optimization & Improvement
- IP Networking system and Small Cell technologies
- RF plot coverage analysis & Drive test result analysis
- Backhaul (TX/IP/MW/UBR) Networking & System level troubleshooting
- Extremely well organized and proactive & Ability to cope with pressure
- Reliable and responsible work ethic
Certification
NetAct 22 Administration Certification | MB02440-K-2200
NetAct 22 Installation Certification | MB02460-E-2200
Redhat Certified System Administrator(RHCSA) Course Completion-RH199
Diploma in Python Programming
Rewards Recognition
- Infinite Bestows Performer of Month on Oct-22
- Jio Certificate is awarded for outstanding performance for Railway Coverage Project on Jan-July 2019.
- Jio Certificate is awarded for outstanding performance for 100% Network Compliance on Mar 2016.
- Alcatel Lucent is awarded for Achievers Club award on Jan 2010.
- Bharati Airtel is awarded for King of Fault Repair on May 2006.
Software Tools Instruments Handled
RedHatMplBhakthavachalamAirtelccess-CNNAP, FNOC, NOCABareMetal
Personal Information
- Passport Number: J440510
- Father's Name: V. Kalimuthu
- Date of Birth: 06/28/1981
- Nationality: Indian
Languages
English, Tamil
Timeline
OSS Specialist – Nokia Solutions Network Pvt Ltd
Infinite computer solutions Pvt Ltd
06.2022 - Current
Senior Technical Lead-Reliance Jio Infocomm Ltd
Reliance Projects & Property Management Services Limited
02.2017 - 05.2022
RF Optimization Engineer-LTE Wireless Network
Reliance SMSL Limited
06.2015 - 01.2017
BSS Integration Engineer-Wireless Network
EssJay Ericsson India Pvt. Limited
12.2014 - 06.2015
RF SME Engineer –Wireless Network
Alcatel Lucent Managed Solutions India Pvt. Limited
10.2008 - 11.2014
RF Engineer – Wireless Network
Reliance Communication India Pvt Limited (RISPL)
03.2008 - 09.2008
OM Engineer – Wireline Network
Bharati Airtel India (P) Ltd
06.2006 - 03.2008
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