Open to opportunities

Abduljelil Segun Adebayo

@abduljelilsegunadebayo

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Operational Data Analyst driving insights with Power BI, Tableau, SQL and Excel.

Nigeria

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What I'm looking for

I seek a data-focused role where I can apply Power BI, Tableau and SQL to drive operational improvements, work collaboratively, and deliver measurable business impact.

I am an Operational Data Analyst with over two years of experience turning complex datasets into actionable insights that improve business operations and support strategic planning.

I specialize in Power BI, Tableau, SQL and Excel to build visualizations, streamline processes and inform decision-making; my data-driven initiatives contributed to a 15% increase in customer retention in prior roles.

I combine technical expertise in data analysis with strong communication and collaboration skills to deliver measurable results and help teams adopt data-informed solutions.

Experience

Work history, roles, and key accomplishments

Current

Operational Data Analyst

Current

Torthhi Investment Int'l Ltd

Jan 2023 - Present (2 years 10 months)

Collect and analyze complex datasets to uncover actionable insights using Power BI, Tableau, SQL, and Excel, improving operational efficiency and supporting strategic planning.

Power BI Tableau SQL Excel Data Analysis Data Visualization

Customer Service Support

Northshore ICT

Apr 2020 - Jan 2023 (2 years 9 months)

Provided technical and customer support via email, phone, and live chat, maintained accurate customer records, mentored new hires, and helped improve customer retention by 15%.

Customer Support Technical Support Troubleshooting Mentoring Communication Live Chat Support Customer Retention

Education

Degrees, certifications, and relevant coursework

Federal Polytechnic Ilaro

Higher National Diploma, Computer Engineering

2022 - 2024

Earned a Higher National Diploma in Computer Engineering with focus on data analysis, programming, and Cisco networking.

Federal Polytechnic Ilaro

National Diploma, Computer Engineering

2019 - 2021

Completed a National Diploma with emphasis on data analysis, networking (Cisco), and programming, including research and technology integration projects.