Senior Oracle DB Architect (19c) Data Vault & 3NF Expert

Médiane Système limited; Brussel Hoofdstad; Sur place; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Salary package

Leave days

Mobility package

Health insurance

Group insurance

Meal vouchers

Eco-vouchers

Résumé du poste

Médiane Benelux is seeking a Senior Oracle DB Developer to strengthen our rail and infrastructure projects across the Benelux region. You will design data models, implement SQL/PLSQL logic, and optimize performance for mission-critical systems.

The role requires 10+ years of Oracle experience, including 19C, data vault/star schema modeling, and team leadership. Fluency in Dutch or French and English proficiency are essential; you will join a collaborative, Agile environment supporting diverse

Qualifications

• 10+ years of Oracle DB development experience.
• Experience with Oracle 19C.
• Strong relational modeling (ERD, 3NF).
• Data Vault or Star Schema modeling experience.
• SQL & PL/SQL development with performance tuning.
• Experience leading a team of at least 3 people.
• Dutch or French C2, English B2; multilingual capability advantageous.

Responsabilités

• Design and validate 3NF data models.
• Implement data models and business logic using SQL/PLSQL.
• Optimize application and database performance.
• Lead a small team and report progress.
• Collaborate in an Agile environment with CI/CD.

Connaissances

Team Management

Communication skills

Problem solving

Railway IT domain knowledge

Presentation skills

Formation

Bachelor's degree in Computer Science or related field

Outils

Oracle SQL/PL/SQL

GIT

Jira

Data Vault modeling

Star Schema

3NF data modeling

Description du poste

Médiane Benelux is seeking a Senior Oracle DB Developer to strengthen our rail and infrastructure projects across the Benelux region. You will design data models, implement SQL/PLSQL logic, and optimize performance for mission-critical systems.

The role requires 10+ years of Oracle experience, including 19C, data vault/star schema modeling, and team leadership. Fluency in Dutch or French and English proficiency are essential; you will join a collaborative, Agile environment supporting diverse