Edwin Okwaro

Junior Data scientist

Nobuk Africa•  January 2021 - Present

• Support in Data collection from various sources and transform into pandas data frames. • Support to process, cleanse, and verify the integrity of data used for analysis. • Perform data wrangling techniques to handle missing data, outliers, duplicates, merge datasets, derivation of new variables and features. • Perform EDA to extract and summarize key insights from data using various python libraries (matplotlib, seaborn and plotly) and other tools such as Power BI. • Support to identify trends, patterns, and discrepancies in data and determine additional data needed to support insight. • Perform data pre-processing steps for machine learning including feature selection and feature engineering. • Support in machine learning model selection, model training and model evaluation. • Support to perform hyperparameter tuning in machine learning to improve model performance and accuracy. • Support in creation of new SQL Database and tables and importation of flat files into SQL databases • Designing SQL database tables and views to assist in analysis and visualization in power BI • Support developers in writing optimized SQL queries to interact with databases and integration with other applications • Support in updating and altering of SQL tables including table truncation and deletion.

NOC Data Analyst

American Tower Corporation•  October 2018 - Present

• Manage the global function of a 24 x 7 NOC, providing direct supervision and technical leadership to the team. • Proactively monitor alarm management systems and RMS for events and ensure timely incident detection/booking and escalation to the relevant personnel. • Communicates with key players on operational issues, handles escalations, and notifies senior management of high severity and chronic Power issues. • Proper incident management handling and Management of network maintenance for both emergencies and planned in co-ordination with other departments involved. • Develop, maintain, and enforce all NOC policies, standards, and procedures. • Generate daily, weekly, and monthly operational shift and power availability reports. • Handles change requests and manage Planned Works including service impact analysis and customer notifications. • Respond to all client’s queries in a timely and professional manner and provide continuous feedback to resolution. • Ensure all service tickets on trouble ticket system (salesforce) have correct closure data. • Participate in the innovation of new processes to improve efficiency and improvement of existing processes.