Junior Data Engineer
Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Nov 9, 2026. Deloitte Central Mediterranean scores A on the Alion truth index.
Junior Data Engineer
What Impact will you make?
#YourOpportunity
Deloitte is proud to be named the #1 consulting service provider in the world by Gartner and a leader in Magic Quadrant for Data and Analytics Service Providers.
We deliver business advisory and technology-enabled business transformations across the globe, always focusing on our vision: to make an impact that matters. Within Deloitte, the Engineering, AI & Data team focuses on delivering trusted, high-end technology advisory services.
Under this framework, we are looking for enthusiastic and motivated Junior Data Engineers to join our dynamic Technology & Transformation team in our offices in Athens. In this role, you will have the opportunity to work with cutting-edge technologies and contribute to projects that help clients transform their data platforms and business operations. Working alongside experienced professionals and partnering with leading organizations, you will gain hands-on experience, develop your technical skills and contribute to innovative data-driven solutions.
Our diverse and passionate team applies agile methodologies in the development, delivery and ongoing management of analytics solutions that address complex business challenges through data integration, data warehousing, data modelling, business intelligence and advanced analytics. As part of the team, you will have the opportunity to continuously learn, explore new technologies and grow your expertise in the field of Data Engineering.
#YourRole
As a Junior Data Engineer, you will contribute to the design, development, testing and maintenance of data engineering solutions, working closely with experienced team members across different projects and technologies.
You will have the opportunity to develop your technical skills, gain hands-on experience with modern data platforms and participate in end-to-end data initiatives. You will also collaborate with colleagues and stakeholders, gradually taking on more responsibilities as you grow within the team.
During your tenure as a Junior Data Engineer, you will:
- Participate in Data Modernization and Data Transformation projects across Cloud and On-Premises environments;
- Assist in designing, developing and maintaining ETL/ELT pipelines and data integration processes;
- Support the development and optimization of data solutions using modern data engineering tools and technologies;
- Contribute to the implementation of data quality checks, data validation and reconciliation processes;
- Assist in the development and maintenance of Data Warehouse and Business Intelligence solutions;
- Work with relational databases, data modelling concepts and SQL-based technologies;
- Collaborate with experienced team members to troubleshoot technical issues and improve existing data processes;
- Continuously develop your technical knowledge by exploring new technologies, sharing ideas and learning from experienced colleagues.
#WinningRequirements
To qualify for the role, you should have:
- Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, Mathematics or another related field;
- Basic understanding of databases, data structures and data management concepts;
- Basic knowledge of SQL and relational databases;
- Familiarity with programming languages such as Python, Java or similar will be considered an advantage;
- Basic understanding of ETL/ELT processes, Data Warehousing and data integration concepts will be considered a plus;
- Military obligations fulfilled, where applicable.
- Familiarity with Business Intelligence and data visualization tools such as Power BI, Qlik or Tableau will be considered a plus;
- Strong analytical and problem-solving skills;
- Eagerness to learn, develop technical skills and work in a collaborative environment;
- Strong interpersonal and communication skills in both Greek and English;
#AboutTechnology&Transformation
Six core competency areas make up our Technology & Transformation service line:
- Cyber;
- Engineering, AI & Data;
- Enterprise, Technology & Performance;
- Finance Transformation;
- Customer;
- Human Capital.
We exist to solve complex problems
Our consultants are renowned for their straightforward approach to solving some of the world’s largest and most complex business challenges. Each member of our Technology & Transformation team is energized by the challenge a seemingly inscrutable problem presents. Our distinctiveness lies in our refusal to accept a problem at face value - we draw on the depth of our shared insight to ask the right questions, and it’s these questions that uncover answers - answers with impact.
We are committed to collaboration
Our role is to unlock potential for growth and innovation. We believe this requires real collaboration - with our own networks and with our clients. It’s why we commit to truly getting under the skin of our client’s needs, developing a full appreciation for their environment, goals and ambitions. We’re also unafraid to challenge. In so doing, we build long-term and trusted affinities.
We create long-term, sustainable impact
We often work hand-in-hand with our clients to help find the right solution and to help apply that solution. Our aim is to leave behind ambassadors who are equipped to continue the transformation we began. For us, it’s about embedding sustainable change, allowing the impact of our insight to be felt for a long time to come.
#AboutDeloitte
Our services
Deloitte operates in Greece since 1975, as a member of one of the world’s largest professional services networks, Deloitte Touche Tohmatsu. With offices in Athens, Thessaloniki, Heraklion, Patras and Ioannina, Deloitte Greece employs more than 2,900 professionals.
After 50 years of successful and dynamic presence in the Greek market, we bring an unmatched breadth and depth of expertise across audit and assurance, technology & transformation, tax & legal and strategy, risk & transactions advisory services. Operating in a multidisciplinary model enables us to draw from a pool of world-class talent, identifying the ideal skillset for each project, and to collaborate across businesses, to solve the toughest, most challenging issues of our clients. It is with them that we have built a trusted relationship, by delivering innovative solutions and utilizing state-of-the-art tools and technologies across all industries- Consumer Products, Energy Resources & Industrials, Financial Services, Life Sciences & Health Care, Government & Public Services, Technology, Media & Telecommunications.
Our Purpose
Our purpose, “To make an impact that matters for our clients, our people and society “- defines who we are and what we stand for. This is not about size, it's about being the first choice. The first choice for the largest and most influential clients, and the first choice for the best talent.
Our values
At Deloitte we foster a collaborative culture where talented individuals can produce their best work. We value innovative thinking, diverse insights and a genuinely distinctive level of customer service through our expertise and professionalism.
We value difference, with respect at the heart of our inclusive culture.
Our talent experience
From day one at our firm, practitioners are part of a community. Our development and career progression framework will help them develop the skills and capabilities to succeed. The wellness of our people and the ability to offer agile working arrangements is at the centre of our unique talent experience. We create a workplace that encourages collaboration, creativity, inclusiveness to ensure our staff are supported, encouraged and feel a sense of purpose and meaning in what they do each day.
Sounds like the sort of role for you? Apply now.
This document has been prepared by Deloitte Business Solutions Societe Anonyme of Business Consultants, Deloitte Certified Public Accountants Societe Anonyme and Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants.
Deloitte Business Solutions Societe Anonyme of Business Consultants, a Greek company, registered in Greece with registered number 000665201000 and its registered office at Marousi Attica, 3a Fragkokklisias & Granikou str., 151 25, Deloitte Certified Public Accountants Societe Anonyme, a Greek company, registered in Greece with registered number 0001223601000 and its registered office at Marousi, Attica, 3a Fragkokklisias & Granikou str., 151 25 and Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants, a Greek company, registered in Greece with registered number 144724504000 and its registered office at Thessaloniki, Municipality of Pylaia - Chortiatis of Thessaloniki, Vepe Technopolis Thessaloniki (5th and 3rd street), are one of the Deloitte Central Mediterranean S.r.l. ("DCM") countries. DCM, a company limited by guarantee registered in Italy with registered number 09599600963 and its registered office at Via Tortona no. 25, 20144, Milan, Italy is one of the Deloitte NSE LLP geographies. Deloitte NSE LLP is a UK limited liability partnership and member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee.
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