Designed and executed end-to-end ETL pipelines to extract, transform, and load large-scale telecommunications data using SQL, Hadoop, and Spark in Big Data environments. Improved network traffic forecast accuracy by 25%, directly supporting mid-term investment planning. Reduced manual reporting time by 40% by automating data collection, cleansing, and report generation with Python and SQL. Built interactive dashboards and executive reports in Power BI, Tableau, and FineBI, enabling real-time KPI/KQI monitoring for technical and commercial teams. Performed exploratory, descriptive, and predictive analyses to surface anomalies, usage trends, and optimization opportunities across multi-vendor network data sources. Designed customer segmentation models and behavioral analyses to support commercial strategies and service optimization. Implemented data-quality controls ensuring reliability of all analytical outputs, indicators, and dashboards. Proactively identified network failures and critical degradation trends, informing corrective action plans. Administered and maintained Big Data servers to guarantee analytical pipeline availability. Collaborated with cross-functional engineering, operations, and commercial teams to translate business requirements into data products.

Monitored and optimized KPI/KQI performance in microwave and DWDM fiber optic transmission networks. Developed 5 new network KPIs that reduced fault analysis and resolution time by 50%. Performed coverage, traffic, and root-cause fault analysis, contributing to 50% traffic growth in strategic corridors alongside a 30% capital investment increase. Simulated radio links using ITU standards for planning, spectrum, and interference optimization. Trained engineering teams on database querying and analytics applied to traffic engineering.

Led end-to-end planning and execution of microwave equipment installation and acceptance projects. Successfully deployed 250 radio links in rural areas, expanding voice and data coverage. Managed technical staff, equipment inventories, and client communications.

Planned, designed, and supervised construction of 4 optical distribution networks (ODN). Delivered 5 km of fiber optic infrastructure, 400 FATs, and FTTH services for 3,600 end users. Managed personnel, inventory, and acceptance testing of OLT head-end equipment.

Installed, integrated, and migrated 150 radio links to next-generation equipment. Expanded capacity and performed spectrum analysis on 40 additional links.

Supervised installation, configuration, and maintenance of 77 radio links across microwave, DWDM, and IP transmission systems. Conducted acceptance and performance testing (ATP) for commissioned equipment.