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Data Analyst with Power BI and SQL Expertise

Location:
Lagos, Nigeria
Posted:
February 15, 2026

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Resume:

CHRISTOPHER.C. ENUKOHA

+234********** Towolawi street coker, orile-iganmu, Lagos

****************@*****.*** GitHub linkedin

Professional Summary

Data Analyst with 2+ years of hands-on experience delivering actionable insights using SQL, Excel (Advanced), Power BI, and Python across HR, operations, and business performance use cases. Proven ability to translate complex datasets into clear KPIs, automated dashboards, and executive-ready reports that drive measurable business outcomes. Experienced working cross-functionally with non-technical stakeholders and supporting data-driven decision-making in fast-paced environments. Fully remote-ready with reliable internet and personal equipment. Technical Skills and Proficiencies

Data Tools: SQL(Advanced querying, joins, subqueries, CTEs, window functions, data cleaning, aggregation), Power BI, Tableau (basic), Microsoft Excel (pivot tables, macros, power queries) Azure, Google Sheets. Programming: Python (Pandas, NumPy, Matplotlib, Seaborn) Core Competencies: Data Cleaning, Automated Dashboards & KPI Reporting, Data Storytelling & Insight Communication, Business Intelligence, statistical analysis, Financial Modeling & Forecasting, Power BI (DAX, Power Query, Data Modeling), Exploratory Data Analysis (EDA), Regression Analysis and Trend, Segmentation & Retention-style Analysis.

Soft Skills: Accountability, Resilience, Adaptability, Diversity, Excellence, Leadership, Presentation Skills, Analytical Skills, Effective Communication, Problem Solving and Growth Mindset. Professional Experience

Operations Analyst January 2026 – Present

GAIOS SYTEMS

• Monitor, analyze, and evaluate daily operational performance metrics to support efficient service delivery.

• Prepare and maintain operational dashboards, scorecards, and performance reports to provide actionable insights to management.

• Identify inefficiencies, trends, and recurring issues in processes and recommend improvements to enhance productivity.

• Collaborate with cross-functional teams including operations, field support, logistics, and network teams to validate data and support performance reviews.

• Support process optimization initiatives and follow up on implementation of recommended changes.

• Ensure compliance with internal SOPs and operational guidelines, flagging risks and deviations for management attention.

Freelance Data Analyst / BI Analyst June 2025 December 2025 Self-Employed (Remote)

• Analyzed business and operational data to quantify user and process behavior, identifying opportunities for performance improvement.

• Built Power BI dashboards and Excel reports to monitor KPIs, trends, and outcome metrics for small businesses.

• Performed segmentation-style analysis to understand differences in customer and operational performance across groups.

• Applied regression analysis in Python to explore relationships between variables and support predictive insights.

• Communicated findings using concise narratives and visuals, enabling faster, data-driven decisions. Data Analyst Intern (Hybrid) February 2024 – June 2025 Dafe Software Limited, Port Harcourt, Nigeria.

• Built and maintained automated Power BI dashboards using DAX to track workforce KPIs, improving operational efficiency by 15%.

• Conducted exploratory data analysis to identify performance patterns, trends, and drivers of employee engagement and retention.

• Partnered with HR and management stakeholders to translate business questions into measurable KPIs and analytical reports.

• Cleaned and transformed large datasets (50,000+ records), achieving 98% data accuracy for reliable decision-making.

• Improved reporting turnaround time by 40% through automation and standardized reporting workflows.

• Delivered insights through clear data storytelling, enabling non-technical stakeholders to act quickly on evidence.

Data Analyst Intern (Remote) December 2023 – February 2024 MeriSkill

• Analyzed sales datasets to uncover revenue patterns, customer behavior trends, and performance drivers.

• Built a machine learning classification model in Python, handling data preprocessing, feature selection, and evaluation.

• Presented analytical findings clearly to mentors and peers, strengthening stakeholder-focused communication skills.

Project Experience

PwC Switzerland Power BI Job Simulation June 2023 - August2023 Forage (Virtual Internship)

• Completed a job simulation where I strengthened my PowerBI skills to better understand clients and their data visualization needs.

• Demonstrated expertise in data visualization through the creation of Power BI dashboards that effectively conveyed KPIs, showcasing the ability to respond to client requests with well-designed solutions.

• Strong communication skills reflected in the concise and informative email communication with engagement partners, delivering valuable insights and actionable suggestions based on data analysis.

• Leveraged analytical problem-solving skills to examine HR data, particularly focusing on gender-related KPIs, and identified root causes for gender balance issues at the executive management level, highlighting a commitment to data driven decision-making.

Education

Ebonyi State University Abakaliki, Ebonyi State. 2021 Political science, Bachelor of Science (Second class upper division) Certifications & Trainings

Designing and implementing a Data science solution on Azure June 2025 Microsoft

Microsoft Azure Data Fundamentals June 2025

Microsoft

Data Science Certificate of completion. December 2024 National Information Technology development Agency. Human Resources Analytics

University of California, Irvine November 2023

Professional Skills for the Workplace

University of California, Davis October 2023

Google Data Analytics

Google (Coursera) November 2023

Additional

1) Reference Available on request



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