TAJUDEEN O. OLAMILEKAN
Lagos
Summary
Detail-oriented Computer Science graduate (First Class Honors) with professional experience in IT systems and data management. Expert in Advanced Excel (Macros, PivotTables, XLOOKUP) and data visualization tools like Power BI and Tableau. Proven ability to handle large datasets, maintain data integrity, and manage financial records (₦5M budget). Seeking to leverage technical precision and high-volume data processing skills as a Data Entry Specialist.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Associate IT Specialist
Tolaram Group
Lagos
10.2024 - Current
- Utilized ticketing systems (Jira) to log, track, and categorize user issues, facilitating accurate data entry for performance reporting.
- Streamlined digital processes by organizing departmental data, improving retrieval time for critical information.
- Maintained and updated digital records for internal IT assets, achieving 100% accuracy in system inventory databases.
- Assist in system upgrades by verifying data migration integrity between legacy and modern platforms.
Welfare Director (Budget & Data Administration)
Afe Babalola University Student Government
Ekiti
09.2023 - 06.2024
- Managed and tracked a ₦5,000,000 welfare budget, ensuring every transaction was accurately recorded and audited.
- Maintained detailed spreadsheets of student needs and facility inventory, using data to justify procurement decisions (e.g., air conditioners, furniture).
- Coordinated logistics data for emergency support kits, ensuring accurate distribution lists for female students.
Network Administration Intern
Dufil Prima Foods Plc
Lagos
06.2022 - 09.2022
- Monitored network logs and entered system performance data into daily reports for management review.
- Maintained accurate documentation of network configurations and hardware inventory.
Education
Bachelor of Science - Computer Science
Afe Bablola University
Ado-Ekiti, Nigeria07-2024
undefined
undefined
Skills
- Advanced Excel
- Macros
- PivotTables
- XLOOKUP
- VLOOKUP
- Data Validation
- Conditional Formatting
- Data Management
- Data Cleaning
- Preprocessing
- SQL Queries
- KPI Identification
- Big Data & Analytics
- Exploratory Data Analysis (EDA)
- Pattern Recognition
- Power BI
- Tableau
- Administrative Skills
- Record Maintenance
- Digital Filing
- High-Speed Typing
- Attention to Detail
- Data management
- Attention to detail
- Time management
- Data input
Websites
Certification
- Data Analysis Certification, New Horizon, 2023
- CompTIA Network+ Certification, New Horizon, 2023
Relevant Data Projects
Diabetes Prediction System (Big Data Analysis), Processed and cleaned large healthcare datasets to remove duplicates and correct inconsistencies prior to analysis. Conducted statistical analysis and data preprocessing using Python and Excel to prepare data for machine learning models. Visualized model outcomes and data trends, translating complex raw data into clear, actionable insights.
Timeline
Associate IT Specialist
Tolaram Group
10.2024 - Current
Welfare Director (Budget & Data Administration)
Afe Babalola University Student Government
09.2023 - 06.2024
Network Administration Intern
Dufil Prima Foods Plc
06.2022 - 09.2022
Bachelor of Science - Computer Science
Afe Bablola University