Mohammad Mamun
Melbourne
Summary
Data and analytics professional with 5+ years of experience transforming complex datasets into actionable insights that drive business impact. Skilled in SQL, Python, ETL pipeline development, predictive modeling, and dashboarding with Power BI and Tableau. Adept at partnering with stakeholders to embed data-driven decision-making across marketing, operations, and customer strategy.
Overview
10
10
years of professional experience
1
1
Certification
Work History
DATA AND SYSTEMS ANALYST
BlueNRG
07.2024 - Current
- Developed and optimized SQL Server queries to deliver fast, scalable insights from large datasets, supporting Billing, Sales, Compliance, and Customer Service teams.
- Designed and maintained Power BI dashboards, improving visibility into key KPIs and enhancing commercial decision-making.
- Design and optimize SQL queries and Azure Data Factory pipelines to ensure efficient integration and transformation of Meter and market data.
- Develop and deliver analytical reports covering energy pricing, credit risk, and retail metering data, providing insights that support pricing strategies and risk management decisions.
- Document and present data insights in a clear, business-oriented manner, leveraging statistical analysis and data visualizations to produce reports that are easily understood by both technical and non-technical stakeholders.
- Using Python to automate the Meter Data Extract from the AEMO portal.
- I actively support a team of three Junior Data Analysts, offering daily mentoring and practical assistance to help them succeed in their roles.
DATA ANALYST
ORIGIN ENERGY
02.2016 - 07.2024
- Developed complex PostgreSQL queries and designed data models to incorporate business metrics, enabling deeper integration of business context into analytics outputs.
- Led the development and orchestration of ETL pipelines using dbt, Lava, and Matillion, ensuring efficient, reliable data transformations and delivery for reporting and advanced analytics.
- Created and maintained Tableau dashboards for various business units, converting analytical findings into meaningful visual stories that influenced stakeholder decisions.
SALES SUPPORT ANALYST
01.2020 - 01.2021
- Cleansing, importing, and exporting large datasets using SQL Scripting from the Database.
- Perform Statistical Analysis such as correlation, variance and forecasting of Sales data using Excel and R studio.
- Maintain and update different Complex Financial models.
- Analyze the impact of price change for Residential and Business customers in different states and distribution zones, Present the outcomes to the managers and General Manager Level.
- Promoted up to Data Analyst
VOICE OF CUSTOMER ANALYST
01.2019 - 01.2020
- Programmed and deployed NPS surveys, contributing to score improvements across 4–5 teams with targeted recommendations.
- Extracted and analyzed large datasets using SQL and Excel for business insights and decision-making.
- Led a customer segmentation project, enhancing engagement strategies and improving satisfaction scores by 25%.
- Developed 4–5 interactive dashboards monthly, simplifying complex metrics for stakeholders through improved data visualization.
- Automated user management tasks, saving over 10 hours weekly. Contributed to an average NPS score improvement across 4–5 teams through actionable insights and targeted recommendations.
REPORTING ANALYST
01.2018 - 01.2019
- Create 2 weekly business reports that provide key insights.
- Regularly examine data reports and resolve mistakes throughout.
- Monitor data and identify changes in financial and business trends.
- Built up to 4 dashboards per month.
- Promoted up to Voice of Customer Analyst
Education
Bachelor of Physics - Mathematics, Physics, Statistics
University Of Dhaka
Masters of Analytics - Mathematics, Machine Learning, Statistics
RMIT University
01.2024
Skills
- Microsoft Excel
- SQL
- Tableau
- Power Bi
- Python
- R studio
Websites
Certification
- SQL for Data Scientist
- Tableau 20 Advanced Training
Timeline
DATA AND SYSTEMS ANALYST
BlueNRG
07.2024 - Current
SALES SUPPORT ANALYST
01.2020 - 01.2021
VOICE OF CUSTOMER ANALYST
01.2019 - 01.2020
REPORTING ANALYST
01.2018 - 01.2019
DATA ANALYST
ORIGIN ENERGY
02.2016 - 07.2024
Masters of Analytics - Mathematics, Machine Learning, Statistics
RMIT University
Bachelor of Physics - Mathematics, Physics, Statistics
University Of Dhaka
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