BI Data Engineer

As a BI Data Engineer at Volton Hellenic Energy SA, you will handle key responsibilities such as data discovery and extraction from various sources, developing data pipelines, transforming and cleansing data, and collaborating with both data architects and business analysts to design effective data models. Additionally, your role will involve data analysis, visualization, and creating detailed reports that support the company's objectives.

To qualify for the BI Data Engineer position at Volton Hellenic Energy SA, candidates should hold a Bachelor’s degree in Computer Science, Engineering, or a related field. You should also have a minimum of 3 years of relevant experience, solid SQL knowledge, experience with ETL tools like SSIS, and familiarity with reporting tools such as Power BI. A good command of a programming language like Python or Java is essential.

At Volton Hellenic Energy SA, we believe in fostering professional development. As a BI Data Engineer, you will have access to continuous training opportunities that aim to enhance your skills and knowledge. We also provide a collaborative and learning-focused environment that encourages innovation and personal growth, ensuring you can maximize your potential and career trajectory.

The work environment at Volton Hellenic Energy SA is designed to nurture creativity and collaboration. As a BI Data Engineer, you'll work in modern facilities surrounded by talented colleagues. With a commitment to employee well-being, we offer a hybrid working model that allows for flexibility, along with private insurance and corporate benefits that ensure a positive work-life balance.

In the BI Data Engineer role at Volton Hellenic Energy SA, you will work extensively with SQL and ETL tools, particularly SSIS, as well as data visualization tools like Power BI. You will be involved in data modeling and familiar with relational and multi-dimensional database designs, leveraging your knowledge of modern programming languages like Python or Java to enhance data processes.

When answering this question, share specific examples of projects where you performed data transformation. Describe your approach to identifying and addressing data quality issues and discuss the tools or languages you used to achieve your results.

Your answer should include a detailed overview of ETL processes you've developed. Mention specific tools you used, the challenges you faced, and how your ETL processes improved data accessibility or quality for your team.

To answer this, talk about your strategies for validation and reconciliation when combining data from different sources. You could highlight the tools you use to automate these checks and processes that help maintain data integrity.

Discuss how you analyze the requirements from stakeholders to ensure that your data models meet their reporting needs. Include the considerations you keep in mind for scalability and how you work collaboratively with data architects.

In your response, outline the objectives of the project, the tools you used (like Power BI), and the impact of the visualization on business decisions. This showcases your ability to translate complex data into actionable insights.

Mention the resources you utilize, such as online courses, webinars, or industry publications. Emphasize your commitment to continuous learning and how you apply new insights to improve your work as a BI Data Engineer.

Elaborate on your experience with programming languages like Python or Java, discussing specific tasks or projects where you've used them to streamline data processing or automation within BI projects.

Share a specific instance where teamwork was crucial. Explain your role and the contributions you made, emphasizing communication and collaboration as key factors in achieving the project’s goals.

Identify a particular challenge you've experienced, detailing your problem-solving approach and the outcome. This shows your resilience and ability to adapt to setbacks in a dynamic work environment.

Express your enthusiasm for Volton Hellenic Energy SA's mission and growth in the energy sector. Connect your skills and career aspirations with the company's innovative approach and commitment to professional development.