05/02/2025 updated

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Mobile E2E Performance Optimization Expert

Barajevo, Serbia Master's degree in Microwave Engineering, Telecommunications and IT
Barajevo, Serbia Master's degree in Microwave Engineering, Telecommunications and IT

Profile attachments

PRINCE2 PM e-cert_Djordje Stojicevic.pdf
B2B CV_Djordje Stojicevic_Q2_2025.pdf

3D ModelingLTE (Telecommunication)AntennaElectrical EngineeringBusiness To BusinessBash ShellBenchmarkingBig DataCalibrationConsultingData VisualizationLinuxElectromagnetismInfrastructure ManagementInternational SalesIT Service ManagementPostgreSQLLog AnalysisManufacturingProject ManagementMeasurement and MetrologyNetwork MonitoringParametrizationPerformance TuningRadio Access NetworksResearch ExperiencesRadio Frequency EngineeringSimulationsSolderingTest DataTest MethodWiresharkWireless Networks5G (Telecommunication)AngularJSAzimuthCrowd SourcingFront End Software DevelopmentPcb Layout
6 years of professional experience in the field of Mobile Network Optimization as E2E Performance Optimization Expert, RNO Engineer, and Technical Project Manager for Mobile Network Benchmarking. Expertise in Big Data Analytics, Data Visualization and Mobile E2E Network Monitoring (Crowdsourcing, Transport, RAN, Core, Drive-test data sources) and Optimization follow-up (Core/Transport infrastructure upgrade, Features, Parametrization, RET, HO/Azimuth/Capacity tuning, etc.). Experience in leading and/or supporting Mobile Network Benchmark Drive/Walk-test projects across Global markets (e.g., USA, Canada, Australia, Denmark, Slovakia, etc.). Developed company's new Mobile Network Benchmark Testing Methodology for 2022 (Developed new KPIs, tests, threshold/scoring tuning)

3 years of B2B experience in providing Remote IT services for international renowned clients. Founder of Consulting company DIVERGENCE, providing B2B services since 2022, mainly in the field of Mobile Network Optimization.

Skills
  • Data/Big Data Analytics
  • Data Visualization
  • Mobile Network E2E Optimization
    (RF, RAN, Transport, Core, CS)
  • Mobile NW Benchmarking
  • Technical Project Management
  • Analog RF Front End Design
Licenses and certifications
  • PRINCE2® Foundation 6th Edition, Project Management
Academical Background:
Master's Degree at Faculty of Electrical Engineering, University of Belgrade. Thesis and 2 year RF design research process consisted of: Technical Requirements, Equivalent Circuit modelling, Tuning, 3D Modelling, Full wave 3D Electromagnetic simulation (FEM, MoM), Optimization, PCB Layout, Fabrication, Soldering, VNA calibration, SPAR Measurements, Semi-anechoic chamber testing, IEEE paper publishing) of circular phased Microstrip Patch Antenna Array for generation of 1st order Orbital Angular Momentum - OAM EM field on 5.1 GHz. Academical understanding of RF/Microwave/mmWave Design concepts and best practices for Antennas, Mixers, frequency multiplies, dividers and other components drastically matters in deeper understanding of Mobile Networks on macro level.
 

Languages

EnglishNative speakerItalianBasic knowledgeRussianBasic knowledge

Project history

Owner, Independent B2B Contractor

DIVERGENCE

Telecommunications

< 10 team member

Providing Remote B2B Services for international renowned clients such as Nokia, 
Domains of services: Mobile Network E2E Optimization, Big Data/Data Analytics and Visualization, Mobile Network Benchmarking, Technical Project Management, Microwave Engineering, Analog RF Front End Design

Performance Optimization Expert (E2E and Benchmarking)

Nokia

Telecommunications

>10.000 team member

Global Delivery Center
  • Big Data Analytics, Custom Visualization and Monitoring (Crowdsourcing, TWAMP, OSS)
  • E2E Network Optimization (Transport, RAN, Radio, Core)
  • Bulk PCAP Server Processing, Scripting, TCP/IP PCAP Multitrace Analysis (UE, S1u, Gi)
  • Mobile Network Benchmark CDR Analysis, Failure Classification (Qualifiers/Non qualifers)
  • Radio Logfile/PCAP Troubleshooting (Data, VoLTE, VoNR, MultiRAB)
  • Benchmark/Cluster/AOI/Site RF Optimization (RET, Parametrization, HO tuning, Overshooters)

Radio Network Optimization Engineer

NET CHECK GmbH

Telecommunications

50-250 team member

  • Network Optimization Tool Procurement Evaluation (Supporting Executive board)
  • Internal Software Showcase, Bug Reporting and Development (Supporting Sales, R&D)
  • Private 5G campus RF Optimization (RET, HO parametrization, Interference hunting)
  • Data Visualization (Development of new KPI Dashboards, Workbooks)
  • Custom SQL scripting (5G/4G/3G Specific event counter/threshold statistical extraction)

Certificates

PRINCE2® Project Management Certification

AXELOS

2022


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