Raj Chelikani
Frisco,TX
Summary
Professional RF Engineer with strong track record of delivering reliable and high-performance communication solutions. Skilled in RF design, signal processing, and network optimization. Adept at collaborating with teams and adapting to dynamic project requirements, ensuring consistent and effective results. Known for problem-solving abilities, technical proficiency, and commitment to quality.
Overview
9
9
years of professional experience
1
1
Certification
Work History
RF Engineer II
DISH Wireless LLC.
Frisco, TX
02.2023 - Current
- Performed RF design activities related to building the first standalone 5G broadband network in the US.
- Including end-to-end design activities such as analyzing the propagation models, Model tuning, perform site candidate evaluation, network design predictions for a macro cell deployment.
- Working with National RF teams to establish design criteria, link budget and traffic analysis as needed for network design and update existing performance parameters for improvements.
- Perform ATP/522 and e911 activities to make sure the site is passing all test cases and optimized for commercial launch.
- Coordinate cell site testing and optimization drive activities and troubleshoot cell site issues with field operations to make sure the site is performing to its optimal level.
- Perform data analysis to understand the network performance and resolve any site or network related degradations and monitor the RF KPI’s daily to identify the outliers in the network and work with the NOC/Operations/RAN/Core teams to resolve the issue.
- Perform site and network audits at central unit, distributed unit levels and maintain the network standard as defined by the National RF golden parameters.
- Perform intermodulation and external interference analysis to make sure no other carrier or external source is transmitting on dish spectrum.
- Involved in FCC Hex testing project for Oklahoma market and optimized network for 100% success in passing all the Hex locations selected by the FCC.
- Actively engaged in FOA activities in Oklahoma market in testing and validating the new SW loads and features provided recommendations and test cases to meet the passing criteria.
- Actively engaged with the device team in certifying the Iphone 15 on boost network.
RF Engineer II
MobileNet Services Inc.
Plano, Texas
01.2018 - 02.2023
- Performed System verification testing, CW Testing, Commissioning, Carrier BTS integration and Post-Integration network optimization for Downlink and uplink for DAS & Small cell sites for various indoor and Outdoor sites for various technologies CDMA, EVDO, UMTS, LTE & 5G NR.
- Worked with Network operations teams to setup remote connectivity through LAN/WAN.
- Worked on End-to-end RF Network implementations.
- Performed Network Optimization for Sprint 5G sites in Dallas market and several 5G NR integrations on DAS systems and worked on system performance and KPI metrics.
- Performed alarm troubleshooting and assisting operations with performance degradation issues
- Performed Public Safety Grid testing & Fiber testing.
- Implementation of Data Analysis & Data Visualization and delivered reports to clients on network performance.
- Good understanding on LTE/VoLTE protocols and SIB messaging and a good understanding on the LTE RAN architecture and protocols.
- RF Optimization based on the statistics from current DAS environment and neighboring Macro sites
- Good Understanding of FCC regulatory requirements
DAS RF Engineer
Crown Castle
New York, NY
12.2016 - 12.2017
- Performing Acceptance Test Procedure (ATP) on 700, 850, PCS & AWS bands for LTE & UMTS for new DAS sites with Commscope ION-M & ION-U systems
- Performed Fiber Testing for Verizon and identifying the Fiber issues
- Reviewed and approved PIM Test, Coax Sweep Test and Fiber Sweep Tests
- Analyzed Opto-drive and shakedown Data for accuracy and propagation levels within client given thresholds for specified RF parameters
ServiceNow System Admin
DivIHN Integration Inc
Chicago, IL
06.2016 - 12.2016
- Developed and implemented multiple Service Catalog using Catalog client scripts, UI policies, workflows, business rules, script includes, UI scripts
- Participate in system testing, UAT and implementation activities
- Participate in requirements analysis work with solution architect to develop high-level design
Systems Analyst
Avventis Inc.
Edison, NJ
08.2015 - 05.2016
- Understand Analyze and Design business process and the workflows with objective of providing recommendations for the best use of technology for improvement
- Worked on blueprinting, Design, Configuration and cut over activities, Go live and Production Support
- Preparing and Coordinating Pre-requisites for executing UAT cases
- This includes but not limited to ensuring UAT environment readiness and processing cases in the ERP system
- In addition, analyzing results from performance monitoring and specified the changes need to improve the system performance
Education
Master of Science - Project Management
Harrisburg University of Science and Technology
Harrisburg, PA06.2020
Master of Science - Electrical and Computer Engineering
New York Institute of Technology
Old Westbury, NY05.2015
Bachelor of Science - Electronics and Communication Engineering
Jawaharlal Nehru Technological University
Hyderabad05.2013
Skills
- 5G NR (Sub-6 & mmWave)/LTE/WCDMA/CDMA/EVDO/GSM
- 4G/5G RAN/Protocol
- VoLTE/E911
- Python/R programming
- Actix
- TEMS
- LML
- XCAL/XCAP
- QXDM
- Seehawk
- Mavenir Data Monitoring tool
- Planet Design tool
- Microsoft Azure/AWS
- Office 365/SharePoint 2016
- Signal generators/Spectrum Analyzers
- Piworks Network monitoring tool
- RADCOM network tracer tool
- RAN
- Project Management methodologies
- JIRA
- Scrum
- Agile
Accomplishments
Recognized by the EVP of Network Deployment in successfully passing all the FCC Hex's in Oklahoma market.
Certification
- JMA TEKO Commissioning, 03/01/21
- Commscope ION - B/M/U/E Commissioning, 12/01/19
- SOLiD OEM Level 1 Engineer, 04/01/20
- General Radiotelephone Operator License, PG00066383, 04/01/20
- Commscope - Fiber Optic Infrastructure Specialist, BI784769US201FS0, 06/01/20
Timeline
RF Engineer II
DISH Wireless LLC.
02.2023 - Current
RF Engineer II
MobileNet Services Inc.
01.2018 - 02.2023
DAS RF Engineer
Crown Castle
12.2016 - 12.2017
ServiceNow System Admin
DivIHN Integration Inc
06.2016 - 12.2016
Systems Analyst
Avventis Inc.
08.2015 - 05.2016
Master of Science - Electrical and Computer Engineering
New York Institute of Technology
Master of Science - Project Management
Harrisburg University of Science and Technology
Bachelor of Science - Electronics and Communication Engineering
Jawaharlal Nehru Technological University
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