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Data-Driven Support Analyst and Visualization Specialist

Location:
Lagos, Nigeria
Posted:
April 20, 2026

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Resume:

OMENMA DANIEL OSITA

**************@*****.***

+234**********

PROFILE SUMMARY

Seasoned support agent and data analyst with 3 years' experience in customer service and data-driven decision making. Skilled in analytics, proficient with SQL, Python, R, and visualization tools like Tableau/Powerbi. Strong in problem-solving, attention to detail, and communicating insights effectively. Demonstrates deep business understanding, enhancing customer experiences and operational efficiency in fast- paced environments. Committed to aligning insights with strategic goals, ensuring impactful outcomes.

SKILLS

• Adaptability & Resilience • Attention to Detail • Strong Communication

• Problem-Solving • Tableau • Power BI

• SQL/R • Microsoft Excel • Statistical Knowledge

• Analytical Skills • Salesforce • Teamwork

• Active listening • Structured thinking • Decision making PROFESSIONAL EXPERIENCE

NYSC (PPA) LIZZY SCHOOL, OFADA, MOWE, OGUN STATE.

May 2025 - March2026

Role: Maths Teacher

KEY RESPONSIBILITIES:

Built students’ ability to work with one another

Make sure lesson notes are well written upfront

Taught and improve student’s learning performance

Ensured regular monitoring of pupils improvements

Daily marking and tracking of notes and assignments

Maintain sound learning environment for young learners

Setting test/examination questions and marking of scripts

Evaluated students’ performance at the end of the session.

Maintained sound learning environment for young learners

Evaluating students to know if lessons were well understood

Rendered assistance to fellow staffs to achieve set goals for the school Junior Data Analyst

JCOE Enterprise

April 2024 to May 2025

• Managed data effectively to draw insight by predicting and modelling business outcomes.

• Utilized Tableau, ggplot, and power Bi to visualize data and write reports.

• Responded to data related queries and kept track of business inventories.

• Collected and analysed data using SQL, spreadsheet to identify customer and transaction trends.

• Strictly adhered to the company data governance standard and data ethics.

• Prepared dashboard and presented to stakeholders interpreting the customer and transaction trends.

Customer Support Specialist

JCOE Enterprise

August 2023 to March 2024

• Maintained a cordial relationship between customers and the company.

• Provided detailed information about the products and services offered to the customers.

• Worked effectively with the customer support team through great communication skill.

• Attended to customer complaints and provided adequate solutions for their problem via phone or email.

• Proposed potential products or services to top management to gather customer information and analyse

customer needs.

• Trained the junior staff on improving customer satisfaction.

• Handled and managed surveys regarding resolving customer service problems.

• Improved Customer experience and achieved sales target by 30% through good communication and problem-solving skills.

.

EDUCATION

B.SC IN MATHEMATICE

University of Nigeria Nsukka

West African Senior Secondary Certificate

VOLUNTEERING EXPERIENCE

Secretary

Mathematics Department UNN

Teacher

Ada Community Secondary Schools, Obollo-Etiti, Enugu State LANGUAGE

English – Fluent

CERTIFICATE AND LICENSES

National Youth Service Corps (NYSC)

Chartered Institute Of Customer Relationship Management Certificate

IBM Skill Build Data Analysis Certificate, IBM Skillsbuild



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