Junior BI Data Engineer

5 days ago

Athens, Attica, Greece Volton Full time

Volton Hellenic Energy SA is a Greek company that is dynamically active and is rapidly increasing its capacity in the field of Electricity Supply and Trading, in the Gas Energy Sector in the field of Telecommunications (through Orizon).

By offering reliable services that meet the ever-growing energy needs of businesses and households, Volton aims to build solid and trustful relationships with its customers. The company's ambition is to become one of the most important companies in the industry and remain at the forefront of developments as the first multiservice provider combining Electricity, Natural Gas and Telecommunications.

As part of its development, Volton strengthens its human resources in Athens and seeks a Junior BI Data Engineer.

We are looking for a Junior BI Data Engineer to join our growing Data Warehouse team. This position will assist in most functions regarding Data Warehousing, Business Intelligence & Reporting, with the primary focus revolving around Data Engineering tasks.

Responsibilities
  • Data discovery and extraction from multiple sources (cloud platforms, transactional systems, files etc.)
  • Development of data pipelines
  • Data transformation and cleansing
  • Data model design in collaboration with data architects
  • Requirements analysis in collaboration with business analysts
  • Data analysis, visualization, and reporting

Requirements

  • Bachelor's degree in Computer Science, Engineering, or equivalent field
  • 1-2 years of related working experience
  • Good understanding of SQL and data modeling techniques, preferably some experience with T-SQL
  • Knowledge of ETL process design and experience with an ETL tool, ideally SSIS
  • Experience in Reporting and Data Visualization tools, ideally Power BI
  • Knowledge of OLTP, Data Warehouse relational and multi-dimensional databases design and implementation (Normal Forms, Star Schemas, etc.)
  • Good command of at least one programming language such as Python, Java, C# or any other modern language

Benefits

  • A competitive fixed salary package aligned with your experience and expectations
  • Hybrid working model
  • Private insurance, corporate benefits and perks
  • Continuous training and professional development
  • Excellent professional environment
  • Modern and productive working facilities

Don't miss the chance to join a Great Place to Work-Certified Company that fosters a positive work environment, proudly recognized as a Best Workplace for Women 2025.

All applications will be treated with confidentiality. If your CV meets the requirements of the job, we will contact you by phone to schedule an appointment. Information about the company on our site 

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