Eduardo Sá
Verified Expert in Engineering
Data Analyst and Power BI Developer
Eduardo is a seasoned data analyst and SQL expert with a certification in Microsoft Power BI and complementary knowledge of Python and R. With 10+ years of experience in telecommunications, including Nokia, Vodafone UK, Verizon US, Optus AUS, Orange UK, and Portugal Telecom, he has delivered projects across multiple geographies and cultures. Eduardo employs advanced analytical and interpersonal skills to build the best data-based solutions for his clients.
Portfolio
Experience
Availability
Preferred Environment
Windows, SQL, Microsoft Power BI
The most amazing...
...data analytics project I've delivered was for a mobile operator in Australia, ensuring success across a 12-hour time zone change.
Work Experience
Business Analyst
Avlino
- Delivered a Power BI solution for mobile network optimization, including SQL for data ingestion, Power Query, data modeling, DAX, and visuals, plus automatic neighbor planning, ten audits, and a self-organizing data feature.
- Envisioned and executed a one-year data product roadmap to deploy big data and AI on telecom networks.
- Built multiple models for radio optimization on 2G, using SQL and Power BI, which reduced the number of drops by 20% for a city-wide network.
- Coordinated a team of three people, including a data engineer, a data scientist, and a UX engineer, to deliver three AI projects applied to telecom to date.
Mobile Radio Engineer
Celfinet
- Managed and supported the development of a web app to track P3 mobile network quality assessment campaigns in the UK for Vodafone.
- Developed a series of network audits for constant mobile radio monitoring.
- Managed the mobile network quality in a region in the UK. Analyzed KPIs and promoted initiatives to improve overall performance.
- Managed the communication, reporting, and requirements definition as the single point of contact while serving as the acting team lead for a 10-person consulting team working for Vodafone UK.
Mobile Radio Engineer
Nokia
- Delivered a project of small cell planning in 4G for a large metropolitan area, using 3D geolocation technologies. Integrated customer data with a Nokia solution and data visualization tools such as Qlik.
- Created an antenna radiation pattern database with more than 6,000 files.
- Conducted presentations and tours of Nokia's office for customers and other visiting professionals.
Junior Researcher
Instituto Superior Técnico
- Implemented a WiMAX cellular network simulator on MATLAB.
- Demonstrated how deploying energy-saving techniques to existing WiMAX protocols made it possible to improve traffic without increasing power consumption on the cellular network.
- Coordinated and contributed to numerous papers and deliverables while participating in projects financed by the European Commission under the FP7 program. Teams included colleagues from academia and industry and from multiple European countries.
Experience
Published Power BI App | Analytics for Microsoft 365
Deliverables:
• Power BI template app published on Microsoft AppSource
• Data model definition for customer distribution with the app
• Graphics and interactions development
• Data load optimization
Mobile Radio Automation Portal
Deliverables:
• Defined the available data
• Identified automation and improvement opportunities
• Developed a prototype using SQL and Power BI
• Communicated with IT to integrate the automation on the portal
• Negotiated with the customer on the sequence in which would roll out the automation
• Ensured proper training of the customer team
Education
Master's Degree in Telecommunications
University of Porto - Porto, Portugal
Certifications
Microsoft Certified: Data Analyst Associate
Microsoft
Skills
Languages
SQL, Python 3, R, Power Query M, Python
Tools
Microsoft Power BI, Power Query, Excel 2016, Microsoft Excel, Tableau, MATLAB
Paradigms
Business Intelligence (BI), ETL
Other
Data Analytics, Dashboards, Excel 365, DAX, Data Visualization, Data Modeling, Data Engineering, Data Analysis, Data Structures, Data Warehousing, Warehouses, BI Reporting, Product Ownership, QGIS, Mobile Operators, 2G, 3G, 4G, 5G, Key Performance Indicators (KPIs), WiMAX, Analytical Thinking, Technical Writing, Dashboard Design
Platforms
Azure SQL Data Warehouse, SharePoint, Dedicated SQL Pool (formerly SQL DW), Windows, QlikView
Storage
MySQL, Data Integration
Industry Expertise
Telecommunications
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