Iosiv is available for hire

Iosiv Popescu

Verified Expert in Engineering

IT Project Management Developer

Bucharest, Romania

Toptal member since June 10, 2026

Expertise

Dashboard Data Visualization Business Intelligence Development Data Engineering Data Warehouse Data Analysis Data Science DAX SQL ETL Database

Bio

Iosiv is a senior IT professional with over 25 years of experience in business intelligence, data integration, and IT service management. His expertise spans Power BI, Azure, Hadoop, and project management, with notable work at Altex Romania, Tenneco, and JT International. At JTI, Iosiv led the deployment of Microsoft Power BI Premium, significantly reducing report creation time and boosting user adoption.

Portfolio

Vrancart

PostgreSQL, Hadoop, Apache Hive, Apache Kylin, Spark, Python, Superset...

Altex Romania

Azure Synapse, Microsoft Dynamics AX, Azure, Microsoft Power BI...

Tenneco

Microsoft Power BI, Team Management, IT Project Management, Vendor Management...

Experience

BI Reporting - 20 years
Data Modeling - 20 years
Business Intelligence (BI) - 20 years
Project Management - 20 years
IT Project Management - 20 years
Microsoft Power BI - 10 years
Azure - 5 years
Hadoop - 5 years

Preferred Environment

Azure, Hadoop, Jira, SharePoint, Agile, Scrum, PRINCE2

The most amazing...

...BI solution I've delivered is a zero-cost open source stack for the corrugated paper industry.

Work Experience

Data Integration & BI Consultant

2024 - 2026

Vrancart

Built a BI solution over Microsoft Dynamics Business Central and DrCorr solutions.
Used DrCorr MES system for the corrugated paper industry in a BI solution.
Developed a BI solution based on an open-source technology stack: PostgreSQL, Hadoop, Hive, Kylin, Spark, Python, and Superset.
Enabled Excel over MDX for Kylin for ad-hoc data analysis with direct connection to Kylin cubes.
Created a procedure to extract the production and consumption data from DrCorr MRP and prepare files to be posted in Business Central.

Technologies: PostgreSQL, Hadoop, Apache Hive, Apache Kylin, Spark, Python, Superset, Data Modeling, SQL, ETL, RESTFul APIs, Data Engineering, Data Pipelines, Data Warehousing, Apache Spark, Business Intelligence (BI), Data Analysis, ETL Pipelines, Medallion Architecture, Data Architecture, Role-based Access Control (RBAC), Architecture, Microsoft Entra ID, PySpark, Data Cleansing, Metadata, Dynamics 365 Business Central, DrCorr MRP, APIs, Data Analytics, Star Schema, Dashboards, Data Transformation, ETL Tools

BI Director

2022 - 2024

Altex Romania

Inherited a non-functional BI team, recruited and built a new team to successfully deliver BI services needed by the company.
Designed and implemented the Data Warehouse in Azure with Synapse based on Microsoft Dynamics AX on-premises and D365 in the cloud. Created stock and average weighted cost calculation algorithms.
Designed and implemented Power BI models to support the reporting needs of Altex.
Created the roadmap for BI for the next 2 years, considering new technologies and business needs.
Managed relationships with business units and ensured that requirements were translated into relevant reports.
Managed Azure resources and Power BI infrastructure and services, ensuring governance and performance, controlling the cost of utilization and licensing.
Oversaw the BI development team, solved critical impediments, ensured development best practices, standards, and performant models.
Managed the BI support team, ensuring fast resolution of tickets.
Developed and motivated teams, assisting in solving complex technical problems.
Maintained good relationships with customers and other IT teams.

Technologies: Azure Synapse, Microsoft Dynamics AX, Azure, Microsoft Power BI, Team Management, Budget Management, DAX, Data Modeling, SQL, ETL, RESTFul APIs, Data Extraction, Data Integration, Data Visualization, Databases, Power BI Desktop, Power BI Report Server, BI Reporting, BI Reports, Power BI REST APIs, Data Engineering, Data Pipelines, Data Warehousing, Business Intelligence (BI), Data Analysis, ETL Pipelines, Medallion Architecture, Data Architecture, Role-based Access Control (RBAC), Architecture, Microsoft Entra ID, Microsoft Fabric, Data Cleansing, Metadata, Microsoft D365 F&O, Microsoft AX, APIs, Azure Data Factory (ADF), Cloud, Data Analytics, Star Schema, Dashboards, Data Transformation, ETL Tools

Power BI Manager

2021 - 2022

Tenneco

Managed Power BI global infrastructure and services, ensuring governance and performance, controlling the cost of utilization and licensing.
Led the Power BI Development team, solved critical impediments, ensured development best practices, standards, and performant models.
Oversaw the Power BI Support team and ensured fast resolution of tickets.
Developed and motivated the teams, helped solving complex technical problems.
Kept good relationships with customers and other IT teams.
Participated in solution architecture and design. Provided input on Power BI possibilities and needs, designed performant models, ensured the semantic layer and dashboards satisfy the business requirements.

Technologies: Microsoft Power BI, Team Management, IT Project Management, Vendor Management, DAX, Data Modeling, SQL, ETL, RESTFul APIs, Data Extraction, Data Integration, Data Visualization, Databases, Power BI Desktop, BI Reporting, BI Reports, Power BI REST APIs, Data Engineering, Data Pipelines, Data Warehousing, Business Intelligence (BI), Data Analysis, ETL Pipelines, Medallion Architecture, Data Architecture, Role-based Access Control (RBAC), Architecture, Microsoft Entra ID, Data Cleansing, Metadata, APIs, Cloud, Data Analytics, Star Schema, Dashboards, Data Transformation, ETL Tools

Software Product Manager

2020 - 2021

Ultravision Consult

Worked in the physical security information management field with diverse tools (AppVision as PSIM) and devices to implement security, building management, and fire automation software.
Managed IT software systems portfolio, infrastructure, and dedicated activities.
Built a highly skilled technical team with high efficiency.
Managed external customer relationships for IT and infrastructure.
Analyzed, designed, and managed the implementation of software projects, ensuring end-to-end project management.
Analyzed, managed, and optimized maintenance activity flows.

Technologies: Access Control, Intrusion Detection Systems (IDS), Building Management Systems (BMS), Consulting, Architecture

Compliance & Security Process Manager

2017 - 2019

JT International

Managed the entire lifecycle of applications dedicated to corporate compliance and corporate security functions.
Ensured successful project and IT service delivery by coordinating multiple business cross-functional teams, internal service delivery teams, and external development teams, participating in requirements gathering.
Bridged the gap between business and IT, frequently communicating with both IT and business management, managing stakeholders and expectations, and supporting decision-making and strategic investments.
Architected and designed solutions, planned and monitored projects, and coordinated the process from development through unit testing, user acceptance, and production release.
Coordinated, motivated, and developed teams, assigned annual objectives, and conducted appraisals and reviews.
Managed contractual relationships with software development and support vendors, monitored service levels, controlled budgets, and oversaw payments.

Technologies: SharePoint, Business Analysis, IT Project Management, Team Management, Consulting, Data Analysis, Architecture, Data Cleansing

Microsoft Business Intelligence Manager

2011 - 2017

JT International

Managed global Microsoft Business Intelligence solutions development, service delivery, and technical infrastructure for all JTI functions in Geneva HQ and markets worldwide.
Ensured successful project and IT service delivery by coordinating multiple business cross-functional teams, internal service delivery teams, and external development teams, while participating in requirements gathering.
Architected and designed solutions, planned and monitored projects, and coordinated the multi-step process from development to unit testing, user acceptance, and production release.
Bridged the gap between business and IT, maintaining frequent communication with IT and business management, managing stakeholders and expectations, and supporting decision-making and strategic investments.
Managed contractual relationships with software development and support vendors, monitored service levels, controlled budgets, and oversaw payments.

Technologies: SQL Server Analysis Services (SSAS), SharePoint, SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), Microsoft SQL Server, Team Management, Vendor Management, DAX, Data Modeling, SQL, ETL, Data Extraction, Data Integration, Data Visualization, Databases, Power BI Desktop, BI Reporting, BI Reports, Data Engineering, Data Pipelines, Data Warehousing, Business Intelligence (BI), Data Analysis, ETL Pipelines, Data Architecture, Role-based Access Control (RBAC), Architecture, Data Cleansing, Machine Learning, Metadata, Data Analytics, Star Schema, Dashboards, Microsoft Power BI, Data Transformation, ETL Tools

Business Process Services Manager RO&BG

2002 - 2011

JT International (Romania)

Managed the full life cycle of applications dedicated to Sales and Distribution, Marketing, Finance, and HR departments across the Romanian market (HQ in Bucharest and 35 sales offices) and the Bulgarian market (HQ in Sofia and 5 sales offices).
Ensured successful project and IT service delivery by coordinating cross-functional business teams, internal service delivery teams, and external development teams, while participating in requirements gathering.
Architected and designed solutions, planned and monitored projects, and coordinated the multi-step process from development to unit testing, user acceptance, and production release.
Bridged the gap between business and IT, maintaining frequent communication with IT and business management, managing stakeholders and expectations, and supporting decision-making and strategic investments.
Managed contractual relationships with software development and support vendors, monitored service levels, controlled budgets, and oversaw payments.

Technologies: Oracle, Microsoft SQL Server, SQL Server Analysis Services (SSAS), SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), Team Management, Vendor Management, Data Modeling, SQL, ETL, Data Extraction, Data Integration, Data Visualization, Databases, BI Reporting, BI Reports, Data Engineering, Data Pipelines, Data Warehousing, Business Intelligence (BI), Data Analysis, ETL Pipelines, Data Architecture, Role-based Access Control (RBAC), Architecture, Data Cleansing, Metadata, Data Analytics, Star Schema, Dashboards, Data Transformation, ETL Tools

IT Manager

1999 - 2002

Felvio Distribution

Created my first average weighted cost calculation algorithm.
Developed a data transfer mechanism from sales offices to headquarters, extracting from local databases, archiving, sending by email, and extracting at headquarters into a centralized database.
Created a data cleansing algorithm, fixing the database integrity.

Technologies: Visual FoxPro, SQL, Networks, Enterprise Resource Planning (ERP), Data Cleansing, Programming, Data Analytics, Data Transformation

Hardware Engineer

1994 - 1999

Analog Digital Services

Worked in a former Citroen car factory in Craiova, Romania, taken over by Daewoo, a Korean company, and lately by Ford.
Detected and repaired defects in industrial automation lines and equipment.
Detected and repaired defects on digital/electronic boards.
Practiced industrial automation and process control from dinosaurs of industrial equipment to modern technologies like Siemens PLCs and NCs, Fanuc, Mitsubishi, ABB, etc.

Technologies: Microprocessors, Industrial Automation, Digital Design, Hardware Design, Hardware Repair, PLC, Computer Numeric Control (CNC) Machines, Process Flows

Education

1994 - 1995

Master's Degree in Computer Science

University of Craiova - Craiova, Romania

1989 - 1994

Engineer's Degree in Computer Science

University of Craiova - Craiova, Romania

Certifications

MARCH 2011 - PRESENT

PRINCE2 Compact Course and Certification - Certified Practitioner

Expert Place Gmbh

Skills

Libraries/APIs

Power BI REST APIs, PySpark

Tools

Microsoft Power BI, Power BI Desktop, SSAS, Power BI Report Server, Superset, Microsoft Dynamics AX, Jira, Synapse, Microsoft Flow, Dynamics 365 Business Central

Languages

SQL, Python, R, MDX, Visual FoxPro

Paradigms

ETL, Business Intelligence (BI), Role-based Access Control (RBAC), Agile, Scrum, PRINCE2, Parallel Computing

Industry Expertise

Project Management

Storage

Data Integration, Databases, Data Pipelines, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), PostgreSQL, Apache Hive, SQL Server Analysis Services (SSAS), Microsoft SQL Server, Microsoft Entra ID

Frameworks

Apache Spark, Hadoop, Spark

Platforms

Oracle, Azure Synapse, Azure, SharePoint, Microsoft Fabric

Other

Reporting, Dashboards, DAX, Data Modeling, Data Extraction, Data Visualization, BI Reporting, BI Reports, Data Engineering, Data Warehousing, Data Analysis, ETL Pipelines, Medallion Architecture, Data Architecture, Architecture, Data Cleansing, Metadata, Data Analytics, Star Schema, Data Transformation, ETL Tools, Enterprise Resource Planning (ERP), CRM, RESTFul APIs, Consulting, APIs, Azure Data Factory (ADF), Cloud, Apache Kylin, Azure Data Lake, Balance Scorecards, Key Performance Indicators (KPIs), Microprocessor-based Design, Access Control, Intrusion Detection Systems (IDS), Building Management Systems (BMS), Business Analysis, IT Project Management, Team Management, Budget Management, Vendor Management, Machine Learning, Microprocessors, Hardware Design, Hardware Repair, Programming, PLC, Computer Numeric Control (CNC) Machines, Industrial Automation, Digital Design, Process Flows, Networks, DrCorr MRP, Microsoft D365 F&O, Microsoft AX

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