Data Engineer
ALTEN
About the role
About Us
Created over 30 years ago and present in over 30 countries, the Group has established itself as a global leader in IT Engineering and Services. We work with major players in the Aeronautics & Space, Defense & Naval, Security, Automotive, Rail, Energy, Life Sciences, Finance, Retail, Telecommunications, and Services sectors. We achieved a turnover of over 4.14 billion euros in 2024 and currently have over 57,700 employees worldwide, including over 13,000 in France.
Job Description
Major industrial environments face significant data challenges:
- Multiplication of information sources (business applications, PLM systems, databases, files, APIs...)
- Heterogeneity of formats and models
- Growing need for reliable, qualified, and up-to-date data
- Necessity for near real-time exchanges between systems
In this context, our teams are involved in setting up modern Data Engineering platforms to industrialize and govern data flows. We are looking for a Data Engineer to actively participate in the design and development of these new data uses.
Your Missions
Integrated into a transverse or business squad, you will contribute to the implementation and evolution of a data platform:
- Design and develop robust and scalable data pipelines
- Implement ingestion flows from various sources: databases, files, APIs, events, etc.
- Structure and transform data according to a medallion architecture: Bronze: collect and store raw data, Silver: qualify, clean, model, Gold: consolidate and expose data products
- Ensure data quality, consistency, and freshness
- Industrialize batch and streaming processes
- Collaborate closely with business teams, architects, and data analysts
- Participate in architectural choices and best practices (performance, security, governance)
Technical Environment
You will work in a modern, data-oriented ecosystem:
- Databases: PostgreSQL
- Streaming / Event processing: Apache Flink, Kafka
- Orchestration: Airflow
- Transformation / Modeling: dbt
- Integration / CDC: Debezium (depending on use case)
Application & PLM Ecosystem: 3DX / Windchill / SAP / R&D tools
Qualifications
Graduated from an engineering school or university (Bac+5), you ideally have:
- At least 3 years of experience in Data Engineering or development with a strong data aptitude
- A good understanding of data quality and modeling issues
- An aptitude for complex systems and industrial environments
Expected Skills
Technical:
- Mastery of SQL and relational databases (PostgreSQL)
- Knowledge or experience with the following technologies: Kafka, Flink, Airflow, dbt
- Understanding of modern data architectures (batch / streaming / event-driven)
- Sensitivity to performance and scalability issues
Behavioral:
- Analytical mindset and rigor
- Ability to work in complex environments and communicate with business stakeholders (engineering and business processes)
- Good interpersonal skills and enjoyment of teamwork in an agile scrum format
- Autonomy and technological curiosity
Skills
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