Location: Bucharest, Romania This role is part of a large-scale SAP ECC6 to S/4HANA migration program for a major international organization. As a core member of a dedicated Data Migration Squad, you will be responsible for building and maintaining the transformation and loading pipelines that sit at the heart of the migration delivery. You will work closely with the Technical Lead and your fellow data engineers to ensure that data flows reliably, accurately, and on time from the source ECC6 environment to the target S/4HANA platform. WHO ARE YOU? You have solid hands-on experience designing and building ETL pipelines in complex data environments? You are comfortable working with large volumes of heterogeneous data, and you know how to handle edge cases, rejections, and transformation complexity? You are rigorous and detail-oriented — you care about the quality of what you deliver, not just whether it runs? You enjoy working in a team, sharing knowledge, and improving practices collectively? You are curious about SAP data landscapes, or already have some exposure to them? Then this role is made for you. WHAT WE CAN ACHIEVE TOGETHER You will join a dedicated squad of 4 data professionals, embedded within a broader SAP program team. You will work in close collaboration with the Technical Lead and contribute to the delivery of migration pipelines across all in-scope data objects, in an agile delivery mode with iterative development and regular validation cycles. By joining us, you will play a hands-on role in one of the most technically challenging phases of a major international transformation program. Your mission will include: • Designing, developing, and maintaining ETL pipelines for data extraction, transformation, and loading • Implementing transformation rules based on mapping specifications defined with the Technical Lead • Participating in data quality checks, reconciliation processes, and error handling • Documenting pipeline logic, transformation rules, and technical decisions • Contributing to the continuous improvement of delivery practices within the squad WHAT YOU BRING Senior Data Engineer • 2–4 years of experience in data engineering or ETL-focused roles • Comfortable implementing pipelines based on defined specifications • Eager to grow in a structured migration context ETL & Data Engineering • Solid hands-on experience with at least one ETL platform (Talend, Informatica, SSIS, or equivalent) • Strong understanding of data transformation patterns and pipeline design • Experience working with large and complex datasets • Familiarity with data quality concepts — validation rules, rejection handling, reconciliation Soft Skills • Rigorous and detail-oriented approach to delivery • Ability to work collaboratively in a small, fast-moving team • Good communication skills — able to discuss technical topics with both engineers and functional stakeholders NICE TO HAVE Exposure to SAP data structures or SAP migration projects Familiarity with SAP migration tools (BODS, Syniti/SNP, or equivalent) Experience working in an agile delivery environment Knowledge of cloud-based data platforms (Azure, GCP, AWS) YOUR CAREER AT THALES Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your competencies in different areas: Room and attention to personal development Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution Choose between a technical expertise or a leadership path Build an international career within a leading Engineering Group At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world. Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of defence and security, aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust. In Romania, we are advancing innovation through software engineering, research and development, delivering solutions in key markets in which Thales Group operates. Our engineers design, develop and integrate solutions that impact global industries – from fully operational systems and subsystems for naval warfare and maritime security operations, to air traffic management systems, satellite-based solutions, tactical indoor simulations, identity and biometric technologies and more. Interested in finding out more about Thales and why you should join us? Say HI* to new career opportunities.

Data engineer.

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Stage : Ingénieur électronique informatique F/M

Stage - Ingénieur industrie - F/H

Approvisionneur (F/H)

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