Junior Data Engineer (Data & Analytics)

Job Title: Junior Data Engineer (Data & Analytics)

• *Location:**

French

Role Overview

Join the Data Engineering hub to support the digital transformation of one of the world’s leading aviation groups. As a

• *Junior Data Engineer**

, you will assist in building scalable data architectures that power real-time decision-making. You will work on integrating diverse data streams—from flight operations to customer experience—into our unified cloud data platform.

This role offers a unique opportunity to work with

• *massive datasets**

(Petabyte scale) in a multicultural, fast-paced environment.

Key Responsibilities

• Data Pipeline Construction:

Design and maintain automated ETL/ELT workflows to ingest data from legacy aviation systems and modern cloud APIs.

• Data Lake & Warehouse Management:

Assist in structuring data within

• *Snowflake**

or

• *BigQuery**

to ensure high performance for downstream analytics.

• Data Quality Frameworks:

Develop automated "Data Health" checks to ensure the accuracy of flight and passenger information.

• Performance Optimization:

Monitor and tune SQL queries and Spark jobs to reduce latency and cloud infrastructure costs.

• Security & Compliance:

Ensure all data pipelines comply with

• *GDPR**

(crucial for France/EU operations) and global aviation security standards.

• Collaboration:

Partner with Data Scientists to prepare "feature stores" for machine learning models (e.g., predictive maintenance or fuel optimization).

Candidate Profile (Requirements)

• Education:

Master’s Degree (

• *Bac+5**

) in Computer Science, Data Engineering, or a related "Grande École" Engineering degree.

• Technical Skills:
• Languages:

Strong command of

• *Python**

and advanced

• *SQL**

.

• Big Data:

Familiarity with

• *Apache Spark**

or

• *Hadoop**

ecosystems.

• Orchestration:

Exposure to

• *Airflow**

or

• *Prefect**

.

• Cloud:

Basic experience with

• *AWS, Azure, or GCP**

(Cloud certifications are a major plus).

• Languages:
• English:

Fluent/C1 (Mandatory: The group's primary working language is English).

• French:

Professional proficiency (For local integration and vendor coordination).

• Soft Skills:

Problem-solving mindset, "Rigueur" (precision), and the ability to work in a diverse, global team.