Junior ETL Developer (m/f)

Luxembourg, Luxembourg, lu on site Until 8/22/2026 1+ years exp First posted June 11, 2026 Last posted June 11, 2026
Job description

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

ARHS Group, part of Accenture, is looking for a Junior ETL Developer (m/f) to join one of our client teams onsite in Luxembourg within a European institutional environment.

You will contribute to data integration and data warehousing initiatives, supporting the development and maintenance of ETL processes and reporting solutions. Working alongside experienced data professionals, you will participate in the delivery of reliable and scalable data solutions.

THE WORK:

  • Participating in all stages of the data warehouse lifecycle.
  • Developing data models, data marts, and data warehouses.
  • Assisting with the ETL design process.
  • Conducting capacity planning and performance tuning.
  • Performing data analysis and improving the data model.
  • Analyzing, reviewing, improving, and documenting existing and future ETL components.
  • Contributing to the definition and promotion of best practices for development.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships. Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE’S WHAT YOU’LL NEED:

  • At least 1 year of experience in ETL development, data integration, or a related field.
  • Basic knowledge of ETL concepts and data warehousing principles.
  • Familiarity with Shell scripting.
  • Knowledge of SAP Business Objects or reporting tools.
  • Understanding of data modelling and reporting concepts.
  • Strong analytical and problem-solving skills.
  • Ability to work effectively in a collaborative environment.
  • Fluency in English (written and spoken).

BONUS POINTS IF YOU HAVE:

  • Initial experience with DataStage.
  • Proficiency in French.

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.

About this role

Summary

Develop and maintain ETL processes supporting data warehousing projects.

Job title

Junior ETL Developer

Experience level

1+ years

Minimum experience

1+ years exp

Industry

information technology

Location requirements

Onsite in Luxembourg, remote not mentioned.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

ETL conceptsdata warehousingShell scriptingSAP Business Objectsdata modelling

Preferred skills

DataStageFrench

Specializations

ETLdata warehousingdata integrationreportingdata modelling
Locations

Structured locations inferred from the posting.

Luxembourg

On-site City