S. Rajeshkumar
Chennai
Summary
Innovative, senior software engineer having 11 years of experience. Enthusiastic about developing forward-thinking solutions. Demonstrates hardworking and adaptable approach to challenges with strong analytical and critical thinking skills. Proven ability to deliver mass upgrade activities within maintenance windows while ensuring network stability and performance.
Overview
11
11
years of professional experience
Work History
Senior Software Engineer
LTTS (Previously Mindtree – acquired by LTTS)
Chennai
09.2021 - Current
- Executed mass BTS (5G, LTE, Small cell) software upgrades across multiple sites, resolved post-upgrade BTS alarms, and restored sites to On-Air status within planned maintenance windows.
- Supported multiple feature validation testing and execution.
- Prepared and validated XML/CSV configuration plans to create or modify LTE/5G parameters, resolved errors, and successfully provisioned configurations to the live network.
- Collected and analysed network and system logs to support issue investigation and R&D root cause analysis.
- Performed comprehensive log collection, including BTS snapshots, EMIL, SYSLOG, RU logs, TTI, and IQ data.
- Conducted parameter audits and monthly RAN audits to ensure master data accuracy and customer documentation compliance.
- Executed procedural and optimization activities to improve KPIs, including traffic analysis, sleepy cell resolution, and handover performance.
Software Upgrade Engineer
CSS Corp Pvt. Ltd
Chennai
08.2020 - 08.2022
- Supported end-to-end RAN operations, including software upgrades, parameter configuration, troubleshooting, and KPI optimization for multi-technology networks (2G-5G).
- Collected and analysed logs for issue investigation and R&D support.
- Provided remote support for RF module swaps and BTS configuration changes (ABIO, AEHC, AHLOA swaps).
- Executed gNodeB consolidation, integrating multiple FDD and TDD bands and supported cells into a single cabinet.
RAN Network Integration Engineer
CSS Corp Pvt. Ltd
Chennai
10.2019 - 03.2020
- Performed SBTS integration and commissioning for 2G, 3G, 4G, and 5G technologies.
- Executed remote commissioning using Jamura Device and resolved BTS alarms remotely.
- Performed configuration changes using NetAct.
- Monitored alarms and conducted troubleshooting activities.
- Coordinated with field engineers for commissioning and hardware alarm resolution.
- Managed daily cell status and alarm reports for 2G, 3G, and LTE networks.
FMA Engineer
Evolve Technologies Pvt. Ltd
Chennai
04.2018 - 10.2019
- Handled fault analysis and troubleshooting for BTS equipment (Ultra, Flexi, WBTS, SBTS).
- Commissioned Nokia 2G/3G/4G BTS using BTS Manager.
- Performed preventive maintenance, BTS installations, and RRU additions.
- Resolved daily site outages and SA alarms within SLA.
4G Project Engineer
Quasar Telecom
Chennai
09.2017 - 03.2018
- Performed 4G new site integration and software upgrades.
- Executed BTS commissioning, troubleshooting, BTS & MW installation.
BSS O&M Engineer
Ikya Human Capital
Chennai
10.2016 - 06.2017
- Performed fault analysis and troubleshooting for 2G/3G/4G BTS.
- Supported BTS installation and software upgrades.
- Resolved site outages and SA alarms within SLA.
BSS O&M Engineer
Blue Ocean PAS
Chennai
02.2015 - 10.2016
- Managed BTS site operations and preventive maintenance.
- Handled team coordination and activity scheduling for BTS installations.
- Performed commissioning and integration of BTS & MW equipment.
Education
B.E - Electrical & Electronics Engineering
Jai Shriram Group of Institutions
Tiruppur04-2014
Diploma - Electrical & Electronics Engineering
TRNP College
Dharapuram04-2011
Skills
- 5G, 4G, 3G & 2G Technologies
- Software upgrades
- DevOps
- Log analysis
- Network troubleshooting
- Feature testing
- Commissioning & Integration
- XML / CSV Plan Preparation & Validation
- Carrier Aggregation (Intra / Inter band)
- MIMO & Beamforming
- 5G NR (NSA & SA Architectures)
- Massive MIMO & Advanced Beamforming
- Network Slicing
- Nokia and Huawei products hands-on
Customers Supported
- T-Mobile-USA, Ooredoo-Myanmar, Vodafone-India
Languages Known
- English & Tamil
Personal Information
- Date of Birth: 17/06/92
- Nationality: Indian
Disclaimer
I hereby declare that the above information is true and correct to the best of my knowledge and belief.
Timeline
Senior Software Engineer
LTTS (Previously Mindtree – acquired by LTTS)
09.2021 - Current
Software Upgrade Engineer
CSS Corp Pvt. Ltd
08.2020 - 08.2022
RAN Network Integration Engineer
CSS Corp Pvt. Ltd
10.2019 - 03.2020
FMA Engineer
Evolve Technologies Pvt. Ltd
04.2018 - 10.2019
4G Project Engineer
Quasar Telecom
09.2017 - 03.2018
BSS O&M Engineer
Ikya Human Capital
10.2016 - 06.2017
BSS O&M Engineer
Blue Ocean PAS
02.2015 - 10.2016
B.E - Electrical & Electronics Engineering
Jai Shriram Group of Institutions
Diploma - Electrical & Electronics Engineering
TRNP College