Olanrewaju Alli
@olanrewajualli
Data analyst with IT and cybersecurity experience delivering actionable insights.
What I'm looking for
I am a detail-oriented data analysis professional with a strong background in IT support and technical problem solving, experienced in interpreting data, reporting, and optimizing workflows to drive business decisions.
I have maintained and supported IT infrastructure across hospitals, companies, and hospitality environments, resolved hardware/software/network issues, and delivered training that improved user proficiency and system uptime.
I combine data analytics (SQL, Power BI, Tableau, statistical analysis) with cybersecurity fundamentals (vulnerability assessment, SIEM, incident response) to produce secure, reliable, and actionable intelligence that improves operational efficiency.
Experience
Work history, roles, and key accomplishments
Technician
Owozonic Electrical Engineering
Jan 2021 - Jan 2022 (1 year)
Designed, maintained, and troubleshot electrical instruments and wiring, performing routine maintenance to minimize downtime and maintain safety and quality records.
Mathematics & IT Lead
Agbonle Community Secondary School
Jan 2019 - Nov 2020 (1 year 10 months)
Taught mathematics and basic technology while leading a community IT initiative, delivering staff development workshops and adapting instruction to improve student outcomes.
Technical Service Technician
Presken Hotel and Resort Limited
Jan 2015 - Jan 2016 (1 year)
Managed installation, maintenance, and repair of complex technical equipment, conducted diagnostics and root-cause analysis to reduce recurring issues and downtime.
French Teacher
God's Favour International School
Jan 2011 - Jan 2012 (1 year)
Developed and implemented French curricula for diverse students, assessed progress, and collaborated on interdisciplinary projects to enhance language proficiency.
Admin Agent
Concept Marketing
Jan 2009 - Jan 2011 (2 years)
Coordinated daily administrative operations and supported marketing launches and vendor outreach, improving office workflow and record-keeping for campaigns.
IT Technician
LEB Services Sarl
Managed maintenance and technical support for ~55 computers across multiple hospital departments and delivered hardware/software troubleshooting that improved system uptime and user satisfaction.
Education
Degrees, certifications, and relevant coursework
Coursera (Google Cybersecurity Certificate)
Certificate, Cybersecurity
2025 - 2025
Completed a Coursera cybersecurity analysis program covering vulnerability assessment, SIEM, incident response, and network security monitoring.
IT Systems & Hardware Engineering (Cotonou, Benin)
Certificate, IT Systems & Hardware Engineering
2025 - 2025
Completed training in full-stack hardware troubleshooting, server/workstation deployment, Active Directory, and enterprise imaging.
Dataquest
Certificate, Data Analytics
2025 - 2025
Completed Data Analytics & Intelligence coursework focused on SQL, data visualization, statistical analysis, and ETL processes.
Moshood Abiola Polytechnic
Higher National Diploma, Electrical/Electronic Engineering (Telecom)
2017 - 2019
Completed Higher National Diploma in Electrical/Electronic Engineering (Telecom) with coursework in network design, RF and fiber optics.
Moshood Abiola Polytechnic
National Diploma, Electrical/Electronic Engineering
2013 - 2015
Completed National Diploma in Electrical/Electronic Engineering focusing on foundational electrical and electronic principles and practical skills.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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