SUMMARY

• Telecommunications engineer with 15 years of working experience in wireless communications.
• Excellent understanding of telecommunications network end to end architecture, design and operation.
• Large experience of working with various segments of telecommunications networks including Core, Transport and RF. Deep knowledge of network planning and optimization principles driven and supported by advanced data analytics.
• Excellent understanding of importance of data and it’s integrity in modern telecommunication services and network operation.
• Very good data preparation, analysis and presentation skills.

TECHNICAL SKILLS

• E2E troubleshooting
• Planning and optimization
• Scripting, PL/SQL, Transact - SQL, ETL, Python, Alteryx, Tableau;
• Computer systems and networking
• Geographic Information Systems
• Windows/Unix/Linux administration
• Microsoft SQL Server, Oracle, Teradata, Netezza;

PROFESSIONAL EXPERIENCE

RF Engineer

Confidential, Irvine, CA

Responsibilities:

• LTE/VoLTE and CDMA 1x/EvDO radio network design and performance optimization;
• Coverage improvement by optimizing RF shaping. Tilt optimization. Overshooter/undershooter analysis using Truecall and FTT uSON;
• CINR improvement; Improving call accessibility and sustainability. Achieving higher throughput rates with increased spectral efficiency;
• Idle/connected mode mobility optimization; Inter - carrier layer management and load-balancing optimization; Minimizing UE time on CDMA for better user experience (ToLTE);
• VoLTE SIP call failure trouble shooting;
• VoLTE Call Mute trouble shooting. TTI bundling, scheduling, power control parameter optimization;
• Call failure trouble shooting using Truecall, IRIS, PCMD. DT log analysis using Windcatcher;
• Identifying poor coverage and traffic hotspot areas using Truecall, FTT uSON and Agoop data;
• Developed and automated market-specific reports using advanced data preparation techniques of SQL, Python, Alteryx, VBA. Developed data insights and presentation using Alteryx, Tableau, ArcGIS, Mapinfo, Google Earth. Developed mapping projects containing performance and parameter information;
• Develop and run various types of parameter and performance data audits from Confidential NetAct and Ericsson ENM; Correlating configuration, performance and operational data;
• RFDS/CiQ creation;
• Provide domain specific software quality assurance support to software development team; Plan and conduct test cases for the purpose of feature functionality validation and bug detection;
• Act as LRF POC to various departments at local and regional level;

Senior RF Engineer

Confidential, Tbilisi, Georgia

Responsibilities:

• LTE/VoLTE/UMTS radio network design and performance optimization. Parameter fine tuning, new feature trial;
• Cluster and site level optimization;
• UE and Cell Trace Analysis for troubleshooting;
• Optimize network coverage based on physical and/or parameter modification;
• Coverage analysis using RF design tools - ATOLL, Mentum Planet, ASSET, Planet EV, Mapinfo, GIS;
• Optimize Idle/Connected mode mobility. Cell re-selection and handover strategies. Intra-RAT, Inter-RAT load balancing for optimal performance and maximized throughput;
• Post-processing of drive test data using TEMS Investigation, ActixOne;
• Prepare and verify RFDS and CIQ fillings;
• SSV test data analysis;
• KPI monitoring using OSS tools. traffic trend analysis and management;
• Worst cell analysis, troubleshoot and resolve RRC access failures, call drops, handover and SRVCC failures;
• Build complex SQL queries and utilize Tableau, Excel for statistical data analysis, parameter audit and reporting;
• Prepare and present engineering as well as executive level reports;

RF Performance and Optimization Engineer

Confidential

Responsibilities:

• Supported GSM/UMTS/LTE swop project of more than 6000 sites from customer premises in Cape Town.
• Optimized performance for post swop GSM/UMTS/LTE nodes;
• Planned and optimized capacity and coverage;
• Conducted overshooting analysis. Antenna physical parameter optimization;
• Analyzed and addressed throughput related problems;
• Conducted Intra-RAT, Inter-RAT Neighbor audit/optimization;
• Established GSM/UMTS/LTE ‘Worst Cells’ reporting and gave recommendations on corrective actions;
• Prepared and analyzed reports for Sleeping Cell and Reduced Call Volume Cell tracking;
• Weekly/Monthly network performance reporting;
• Diagnosed call failure events, finding root cause based on Clear Code analysis;
• DT log analysis;
• Utilized PLSQL and excel macros for simplified reporting;
• Built custom KPIs/Reports;

RF Performance and Optimization Engineer

Confidential, Tbilisi, Georgia

Responsibilities:

• Conducted radio parameter tuning to meet network KPI benchmarks;
• Planned and optimized capacity, coverage and load;
• Conducted overshooting analysis. Antenna physical parameter optimization;
• Optimized handoffs, detected missing neighbors and cross-feeder issues;
• Monitored, analyzed and reported network performance/capacity;
• Investigated new features for performance improvement;
• DT log analysis;
• Attended to customer complaints;
• Customizing performance/capacity report templates;
• Periodically audited radio network parameter settings;
• Developed and administered Engineering Parameter database;

NOC Engineer

Confidential, Tbilisi, Georgia

Responsibilities:

• Monitored performance of various segments of a multi-vendor, integrated GSM/UMTS/CDMA network. Including RF, OSS, BTS, RNC, RNC, MSC, MGW, SGSN, GGSN, MW transmission;
• Tracked network performance degradations; analyzed route cause;
• Attended to customer complaints;
• Developed and maintained performance monitoring tools both for real-time and long-term analysis;
• Developed and maintained automated service deterioration notification system;
• Developed and administered performance data warehouse - MS SQL Server;
• Administered measurements in a multi-vendor environment;
• Administered performance alert thresholds;
• Created custom reports and KPIs using NetAct Report Builder and NetAct Reporting Suite;
• Escalated network faults to relevant dep. via external or internal Trouble-Ticketing system;
• Administered Sun Solaris and Linux based servers dedicated for NOC internal use;