Data Engineer Senior (F/H)

Data Engineer Senior (F/H) at ALTEN in Boulogne-Billancourt, IDF, France.

Responsibilities

As a Senior Data Engineer, you will be the architect of advanced data flows, with a focus on Microsoft Azure environments, Dataiku, and LLM/RAG solutions. Your missions will include:

Pipeline Design & Development

• Develop and industrialize complex ETL/ELT pipelines in Python and SQL, integrating modern technologies such as LLM/RAG.
• Ensure the migration and integration of data from legacy systems to cloud ecosystems, with expertise in Microsoft Azure.

Cloud Infrastructure & Architecture

• Implement and optimize solutions on Microsoft Azure, in collaboration with tools like Dataiku for the industrialization of flows.
• Automate resource provisioning (Infrastructure as Code) with Terraform or equivalent tools.

Optimization & Quality

• Optimize query performance and storage/computation costs on the Cloud, particularly on Microsoft Azure.
• Implement automated tests and monitor data flows, with particular attention to LLM/RAG architectures.

Agile Collaboration

• Work in close collaboration with Data Scientists, Data Analysts and Product Owners to industrialize data-driven solutions.
• Actively participate in DevOps culture and software engineering best practices.

Requirements

✅ Profile wanted

Graduate of a Bac +5 (computer engineering or Big Data specialization).

7 years minimum experience as a Data Engineer, with proven expertise in:

• Microsoft Azure (Data Factory, Databricks, Synapse, etc.).
• Dataiku (industrialization of flows, integration with LLM/RAG models).
• LLM/RAG (architecture, integration, optimization).
• Significant experience in the industrial sector (railway, automobile, energy, etc.).
• Operational mastery of Python development and SQL modeling.
• Proven experience in Infrastructure as Code (Terraform, ARM, etc.).
• Knowledge of issues related to legacy systems (Teradata, etc.) is an asset.
• Bilingual English essential to evolve in an international context.
• Mobile in Île-de-France and looking for a permanent position.
• Rigorous, curious and tech-savvy, you enjoy solving complex technical problems and innovating in advanced cloud environments.

Benefits

• A stimulating and collaborative work environment.
• Professional development and continuing education opportunities.
• A competitive compensation package.
• Attractive social benefits.

Type of contract: CDI

Join ALTEN and give a new dimension to your career!

About the Company

Today, we are looking for a Senior Data Engineer to join our dynamic and passionate team.

World leader in Engineering and Technology Consulting, ALTEN offers unique opportunities to develop your skills and evolve in a stimulating environment. With more than 35 years of experience, the ALTEN group is present in more than 30 countries. Thanks to its 57,000 employees, 88% of whom are engineers, ALTEN has established itself as a major international player and a leader in its market.

Do you want to take on ambitious technological challenges alongside major players in the Industry, Energy, Defense, Banking, Insurance, Telecom, Media or Retail sectors, particularly around Data, BI, Big Data, AI, LLM/RAG projects? Join us and contribute to the success of high-impact data projects.

A strong CSR approach: our teams work on projects contributing to a more sustainable future. ALTEN Group is a signatory and member of several committed programs (Planet Tech’Care, Engineering Charter, Climate Ambition Accelerator).

Skills at the heart of our priorities: personalized support, continuing training and career development throughout your career.

A rich and stimulating corporate culture: unifying events, solidarity actions, innovation webinars, technical challenges... an environment conducive to sharing and professional development.