Available to hire
Hi, I’m Ertugrul. I’m a results-driven Data Analyst and Master Data Specialist with a track record of automating reporting, improving data quality, and managing complex operational datasets. I excel at turning data into actionable insights and scalable solutions.
I thrive in cross-functional teams and enjoy delivering robust data governance, KPI development, and ETL-driven workflows using SQL, Python, VBA, Access, Power BI, and Tableau.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Turkish
Fluent
English
Advanced
Work Experience
Bill of Material Data Engineer at MAN Truck and Bus
September 1, 2024 - October 23, 2025Managed and optimized vehicle part list data within enterprise systems, ensuring compliance with product hierarchies and engineering standards. Built automation tools with Excel Macros, VBA, and Python to extract, process, and analyze data, reducing errors and manual workload. Designed MS Access interfaces to collect and analyze error reports, delivering actionable insights to management. Integrated and SQL queried Oracle databases for advanced reporting, project monitoring, and error tracking. Produced visual dashboards and analyses on project progress and delays, improving decision-making and workflow efficiency.
Business Intelligence Analyst and Master Data Analyst at MAN Truck and Bus
August 1, 2021 - September 1, 2024Managed master data for bus components and inventory datasets, ensuring accuracy through database cleaning and validation. Automated data entry, validation, and reporting workflows using Access, VBA, Python, and Attachmate Extra macros. Created automated annual unused parts detection system supporting spare parts planning. Developed SQL queries to extract and analyse operational and component level data for maintenance and planning. Produced monthly KPI reports and designed Power BI dashboards and Tableau reports, improving visibility on trends and operational risks. Improved reporting efficiency through ETL development and automated audit controls.
BI Systems Consultant at Freelancer
August 1, 2021 - October 23, 2025Built websites, online inventory, and sales tracking systems to support data-driven decisions. Designed database management solutions for monitoring stock, raw materials, and sales. Automated workflows with Python, VBA, Excel, and Access. Delivered dashboards in Power BI, Tableau, and JASP, enhancing efficiency and business insight.
BI Systems Consultant at Freelancer
August 1, 2019 - August 1, 2021Built Access-based reporting and data collection applications to automate daily operations. Developed Python applications for workflow automation and reporting. Created dashboards using Power BI and Tableau enabling transition from manual reports to BI systems. Designed inventory databases supporting process standardisation and accuracy. Delivered training on analytics and dashboard usage.
Education
Master of Science in Data Analytics at Dublin Business School
January 11, 2030 - January 1, 2025Bachelor of Science in Industrial Engineering at Başkent University
January 11, 2030 - January 1, 2020MSc in Data Analytics at Dublin Business School
January 11, 2030 - January 1, 2025BSc in Industrial Engineering at Baskent University
January 11, 2030 - January 1, 2020Qualifications
Industry Experience
Manufacturing, Professional Services, Software & Internet, Media & Entertainment, Transportation & Logistics
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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