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Khaled Belhadj

@khaledbelhadj

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IT Project Manager | Expert BI| Power BI Trainer | Microsoft Certified (DA-100, DP-600, AZ-104, DP-900,PL-900)

Tunisia

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What I'm looking for

I seek roles where I can lead BI strategy, build scalable analytics platforms, mentor teams, and drive data-driven decision-making in collaborative, growth-focused organizations.

I am a Microsoft-certified Power BI expert and data analyst with over 20 years of experience delivering BI solutions, data modeling, and project management across telecom, HR, finance, and manufacturing sectors.

I have led migrations, optimized data architectures with star schemas and advanced DAX, automated ETL pipelines (SSIS/SQL) and reduced latency and errors while delivering unified executive reporting and dashboards for top management.

I am passionate about training teams on Microsoft BI tools, implementing data governance and RLS, and designing scalable analytics platforms that transform data into operational and strategic value.

Experience

Work history, roles, and key accomplishments

Current

Power BI Expert

Current

Numeryx Tunisia

Sep 2025 - Present (3 months)

Leading migration of Tableau reports to Power BI Service and delivering operational and decision-making dashboards for Network, Sales, and Finance; optimized data architecture with star schemas and implemented RLS and governance best practices.

Power BI DAX Data Modeling Data Governance ETL

BI Project Manager

VEO Worldwide Service

Sep 2024 - Sep 2025 (1 year)

Managed multiple IT/BI projects using Agile and Waterfall, coordinating cross-functional teams and designing a modern data warehouse using Talend and PostgreSQL to streamline reporting workflows.

Project Management Talend PostgreSQL Jira Agile Waterfall Data Warehousing Stakeholder Management

Senior BI Consultant

Amaris

Apr 2023 - Sep 2024 (1 year 5 months)

Designed 17+ optimized Power BI reports (reduced latency 25%), implemented ETL automation (cut errors 75%) and delivered unified executive reporting including a strategic Bouygues Telecom dashboard for management visibility.

Power BI SSIS SQL ETL Performance Optimization Microsoft Fabric DAX

Power BI Data Analyst

ADP

May 2022 - Feb 2023 (9 months)

Delivered end-to-end BI solutions automating 15+ Power BI dashboards for financial and HR reporting, reducing manual effort 40% and improving data accuracy 30% while consolidating payroll data from 50+ clients.

Power BI VBA Data Consolidation Payroll Reporting SQL Dashboard Automation DAX

Power BI Developer

Sentinel Data

Oct 2021 - Apr 2022 (6 months)

Developed Power BI reports and ELT processes for pharmaceutical sales, designing data models and dynamic KPIs to support national and regional reporting needs.

Power BI ELT Data Modeling KPIs SQL DAX Data Visualization

Reporting Data Analyst

Ferro Import Export

Feb 2019 - Aug 2021 (2 years 6 months)

Built Power BI dashboards and consolidated multi-source data into a SQL Server data warehouse via SSIS, performing market analysis with Python and Tableau to identify profitable products.

Power BI SSIS SQL Server Python Tableau Data Consolidation Market Analysis ETL

Manager

Infotech IT Consulting Services

Sep 2005 - Jun 2018 (12 years 9 months)

Managed a team of IT consultants delivering data management solutions for SMEs, trained 200+ managers on advanced Excel and developed VBA automation that reduced monthly closing time by 50%.