Learn Data Skills
Maria J. Cobos

Maria J. Cobos

Senior Data Scientist

Samsung SDS | Dallas


My Portfolio Highlights

My New Course

Introduction to Python

My New Track

SQL Server Developer

Insightful puzzle solver, piecing together data fragments to reveal the big picture.

My Work

Take a look at my latest work.


Introduction to SQL


Introduction to Python


Intermediate Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Samsung Electronics America | Jul 2021 - Present

Data Analytics Engineer

• Provide analytics support to multi-functional team of R&D, Program Management, Core Networking, RF Engineering, Transport and Technical/ Training Support to improve decision-making on multi-technology wireless network deployment across customer markets. • Analyze large, complex, multi-dimensional data sets with a variety of analytic methods and communicate insights to stakeholders, decreasing aging metrics by 20%. • Build automated dashboards using SQL and Tableau/Power BI for engineering and service delivering KPI’s that reduced manual reporting by 10 hours weekly. • Implement regression, hypothesis testing, and NLP models to identify variables that impact resource usage, dropping delivery backlog by 20%. • Build, and evolve ML models and advanced analytics as new data is available, interpretation accuracy is scored, and usage broaden and adapts. • Drive the Continuous Improvement by methodologies like Plan, Do, Check, and Act.
Show More

Universidad de Guayaquil | Oct 2018 - Apr 2022


• Teach Statistical Methods and Analytics courses with accompanying lab activities utilizing online course management systems to effectively deliver course content while incorporating real-world application of concepts covered.

CNT Ecuador | Sep 2016 - Sep 2018

Senior Data Analyst

• Developed Tableau Dashboards with quick filters and calculated fields, for internal executives that measured and reported on key performance indicators, reducing time needed to prepare reports by 25%. • Oversaw LTE and HSPA network projects totaling $30+ million in budget and cut costs by 12% by creating inventory forecasting models in Excel y Python. • Monitored and reviewed statistical data covering dropped calls, blocked calls, access failures and handovers to recommend network optimization and infrastructure expansion strategies.

CNT Ecuador | Sep 2011 - Sep 2014

Data Analyst

• Successfully delivered the first-to-market Nokia 4G LTE network in Ecuador ahead of schedule and under budget, covering 100% of planned areas by using data exploration and modeling. • Designed accelerated network rollout project roadmaps, saving 20% on expenditures and delivering completed implementation two months ahead of schedule by using data analytical tools like Excel.

My Education

Take a look at my formal education

MS in Information Sciences and TelecommunicationsUniversity of Pittsburgh School of Computing and Information | 2016
MS in Project ManagementESPAE Graduate School of Management - ESPOL | 2012
BS in Electronics and Telecommunications EngineeringEscuela Superior Politécnica del Litoral | 2010

About Me

Maria J. Cobos

I am a ML/AI/Data Scientist for Telecommunications Industry. Solid background as Project Manager and Lecturer for Higher Education. Learning state-of-the-art technologies to offer the most optimized solution for companies.

Powered by

  • Work
  • Courses
  • Experience
  • Education
  • About Me
  • Create Your Data Portfolio for Free