Oliver Mwanza
@olivermwanza
Detail-oriented Data Analyst with 3 years' experience in visualization, BI, and predictive analytics.
What I'm looking for
I am a detail-oriented data analyst with three years of hands-on experience applying data visualization, BI development, and predictive analytics to drive business decisions.
At Rafiki Wa Maeendeleo Trust I designed and automated SQL dashboards and built Tableau reports that improved reporting efficiency by 30% and supported a 15% improvement in sales strategy.
My background includes ICT support, training, and systems administration roles where I implemented e-learning platforms, maintained network and hardware infrastructure, and trained staff in data management best practices.
I am proficient in Python and R for statistical analysis, Tableau and Power BI for visualization, and Excel for advanced analytics; I focus on data quality, validation, and clear storytelling to inform executive decisions.
Experience
Work history, roles, and key accomplishments
Data Officer
Rafiki Wa Maeendeleo Trust
May 2023 - Present (2 years 8 months)
Analyzed complex datasets and developed automated SQL dashboards and Tableau visualizations, improving reporting speed by 30% and informing a sales strategy that boosted performance 15%.
ICT Officer
Ministry of Education
Oct 2021 - Oct 2022 (1 year)
Provided technical support, performed hardware installations and repairs, and trained staff to improve IT uptime and user performance across educational facilities.
ICT Trainer
Kisiwa Technical Institute
Jan 2021 - Oct 2021 (9 months)
Designed and delivered ICT curriculum and e-learning implementations, improving student access to remote education and optimizing instructional approaches.
Computer Teacher and Technician
Chebukwa Secondary
Jan 2018 - Dec 2020 (2 years 11 months)
Managed IT maintenance, data collection and validation, and trained staff in data management to improve school performance metrics and system reliability.
Education
Degrees, certifications, and relevant coursework
Moi University
Bachelor of Science, Computer Science
2012 - 2017
Grade: Second-Class honor
Completed a Bachelor of Science in Computer Science, graduating with Second-Class honours.
St. Mary’s High School Kibabii
High School Diploma, Secondary Education
2008 - 2011
Grade: A-
Completed secondary education, achieving a mean grade of A-.
Moi Primary School
Primary School Leaving Certificate, Primary Education
2000 - 2008
Grade: 349
Completed primary education and sat the KCPE, scoring a total of 349 marks.
Availability
Location
Authorized to work in
Job categories
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