Lazaros Sidiropoulos Email & Phone Number

Athens, Attiki, Greece

• Define the vision for the product and inspire the development team. Align with stakeholders and set priorities for the product development cycles, following agile methodologies (Scrum)• Collaborate with management, sales and support to translate business requirements into user stories• Participate in the internal R&D tracks for introducing new analysis algorithms and modules for the development team• Act as an ambassador for the product internally and externally, including visiting and discussing with customers to gather and validate requirements• Be the primary contact point for product related queries and act as an escalation point for critical support issues• Lead external projects: coordination and planning of the necessary resources and liaising with customer• Provide internal and external technical presentations and workshops• Monitor the market and develop competitive analyses• Make, together with other members of the team, in-depth analysis of performance issues encountered and write recommendations on how to improve the product

Athens, Greece

• 4G Expert for RAN sharing project of Vodafone Greece & Wind Greece. • Application of Data Analytics for innovative troubleshooting & optimization methods• Custom tools development in R Language for routine and automated operations/tasks • New features/technology implementation, monitoring and acceptance.• Global parameter alignment & KPI mapping among RAN sharing operators• Knowledge transfer, preparation of guidelines and procedures, processing of customer complaints.Software utilized: M2000, MyCom, R, Actix

Athens, Greece

• 3G Expert for Optimization Project of Wind Greece.• New features/technology implementation, monitoring and acceptance.• Technology and vendor specific ticket processing, analysis and coordination with R&D• Dual Cell strategy proposal, preparation, rollout and monitoring over the network• Knowledge transfer, preparation of guidelines and procedures, processing of customer complaints.Software utilized: M2000, LMT, NP Master, MyCom, UMAT

Madrid Area, Spain

• NSN/Huawei Swap project for Orange Spain.• Inter-vendor parameter, features and KPI mapping.• New features implementation, monitoring and acceptance.• Daily monitoring, cluster acceptance, script preparation & execution, customer complaints processing.Software utilized: M2000, LMT, PRS, NP Master

Luxembourg

• Radio network audit for RNC level parameters, cell level parameters, neighbors and features• Second Carrier Strategy proposal, preparation, implementation and monitoring over the network• Setup for RNC/Cell level optimization procedures and guidelines• End-to-end data service analysis and optimization• Smartphone profiling and optimization

Remote

• Member of NSN Global Team, responsible for providing project assistance on site or remotely• 3rd level support for NSN project teams around the world for all roll-out, swap, optimization multi-vendor projects• Responsible for delivering online technical training to NSN engineers around the world• Inter-vendor parameter, features and KPI mapping.• Providing documentation/guidelines for various technical subjects like capacity optimization, troubleshooting, KPI optimization, parameter baselines, performance monitoring, network assessment, smartphone profiling, mobile broadband optimization etc.

Bologna Area, Italy

• NSN/Huawei and ALU/Huawei Swap project for Vodafone Italia.• Inter-vendor parameter, features and KPI mapping.• New features implementation, monitoring and acceptance.• Daily monitoring, Drive Test analysis, cluster acceptance, script preparation, customer complaints processing, installation problems trace.Software utilized: M2000, Nastar, Assistant, LMT, Actix, MapInfo, Access, PCHR analyzer

Dubai, United Arab Emirates

• Optimization of HSPA+ network for Du operator (Huawei equipment). • Cell/RNC level parameter setting and optimization.• Daily monitoring, generation of daily report and troubleshooting of any RNC level KPI degradation.• KPI performance analysis, troubleshooting and worst cell analysis that includes RRC failures, RAB failures (voice and data), call drops (voice and data), handover failures (voice and data), low traffic (R99 and HSPA).• Generation of utilization/capacity reports for all standard interfaces, as well as for board and port utilization.• Cluster Drive Test post-processing, analysis and recommendations, to resolve with Pilot Pollution, bad coverage areas, call drops, call blocks and cross feeders.• Second Carrier parameter setting, evaluation, optimization and deployment.• Customer Complaints analysis and recommendations.• Database maintenance, like 3G site database, CR tracker, hard optimization tracker.• Tools development for monitoring, routine optimization activities. Software utilized: M2000, LMT, Actix, MapInfo, Access

Dubai, United Arab Emirates

• Nationwide HSPA+ upgrade for Du operator. • UMTS/HSPA+ parameter setting and optimization, daily optimization, KPI performance analysis, worst cell analysis, troubleshooting, utilization/capacity reports, neighbor optimization.• Co-ordination of daily activities, tracking of network rollout, new site acceptance.• Transferring knowledge of Huawei UMTS features and parameters to local engineers.• Software utilized: Nastar, Actix, MapInfo, M2000, LMT and OMStar.

Greece

• Delivering technical training on UMTS Technology, Planning, Optimization and O&M to customers throughout Europe.• Average customer satisfaction reaches 4.9/5.0.• Optimization of commercial 3G networks, mainly dealing with drive tests analysis, cluster acceptance, daily/weekly/monthly reports, HSPA parameter setting and optimization, tuning and KPI management.• O&M of commercial 3G networks, mainly dealing with hardware/software installation, data configuration, system commissioning, O&M and troubleshooting of the Radio Access Network.• Operators served: Vodafone, Ericsson, Orange, Telefonica, O2, Play, Elisa, Optimus, Zapp, Mobistar, RDS, and Globul.• Software utilized: Nastar, Assistant, Probe, MapInfo, LMT, CME, and M2000.

Greece

• Compulsory army duty fulfillment in the Signal Corps of the Hellenic Army.• Specialization: “Operator of digital terminal devices.”

Stockholm, Sweden

· Development of Radio Resource Management Algorithms for LTE.· Software development and evaluation of RRM Algorithms.· Software utilized include: Matlab, TEMS, RUNE, and Mimmi.

Berlin Area, Germany

· Testing for non-destructive methods.· Software development for organizing the data process procedure.· Software utilized include: UNIX and Pwave.

Micromasters Program, Statistics And Data Science

• Main courses: Probability - The Science of Uncertainty and Data, Data Analysis in Social Science, Fundamentals of Statistics, Machine.

Msc, Wireless Systems, 4.7/5.0

· Main courses: Digital Communications, DSP, Internetworking, Wireless Networks · Rank: 1st among 30 students

Diploma, Electrical Engineering And Computer Science, 8.66/10.00

· Main courses: Telecommunication Systems, Signal Processing, Computer Programming, Electromagnetic Field · Rank: 6th among 240 students