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Médiane Système

Senior Oracle DB Developer

Hybrid

Brussels, Belgium

Senior

Full Time

05-02-2026

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Skills

Communication Teamwork Jira SQL Test Scrum Presentation Skills Training Databases git Project Management Agile PL/SQL Embedded Systems

Job Specifications

Médiane Benelux: Career Booster!

Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense.

What We Offer

IT consulting and strategy
Digital transformation and IoT solutions
Project management and process optimization

As specialists in electronics, development, and embedded systems design, we operate from sensor to cloud.

Why choose Médiane Benelux?

Human-sized company: Promotes teamwork and collaboration in a dynamic and stimulating environment
Sharp technical expertise and tailored solutions for each sector
Talent support: Personalized follow-up, continuous training, and skill development for our employees
Custom solutions tailored to the specific needs of each client
Culture of innovation: Participation in innovative and varied projects
Ecovadis Gold certification: Commitment to equality, well-being, and responsibility
Human values: Commitment, Respect, Trust, Listening

"Happy at Work" and "Happy Clients" labels by Choose my Company: A fulfilling work environment and optimal client satisfaction

Job Description

Our client is seeking a Senior Oracle DB Developer for a long-term program. You will work on new developments as well as corrective and evolutive maintenance in a full-time role based in Brussels.

Role & Responsibilities

Design and validate relational data models in 3NF based on functional analysis

Design and validate data models using Data Vault, Star Schema, or similar approaches

Implement data models and business logic in SQL and PL/SQL on Oracle databases

Ensure code quality and proper promotion management across environments (dev, test, acc, prod)

Analyse and optimise database and application performance (SQL and PL/SQL tuning)

Manage and validate deployment scripts across environments

Contribute to peer reviews and maintain up-to-date technical documentation

Profile / Requirements

Technical Skills

Minimum 5 Years Oracle DB Development Experience

Minimum 5 years SQL and PL/SQL development experience

Strong relational data modelling skills (ERD, 3NF)

Experience designing Data Vault and Star Schema architectures

Daily practice with GIT as Source Code Manager

Practical experience with Scrum / Agile ways of working

SQL and PL/SQL performance optimisation

Task and issue tracking with Jira

General database administration (security, tablespaces, schemas)

Languages

Native level in Dutch or French (C2)

Good level in the other national language (B1)

Good working level of English (B2)

Soft Skills

Understanding of IT landscape and business stakes in large industrial/railway environments

Ability to integrate smoothly into existing teams

Strong presentation skills and professional attitude

Clear, efficient communication with stakeholders and management

Structured, disciplined, long-term commitment

Benefits

Attractive salary package, additional statutory leave days, mobility package (car or public transport subscription), DKV health insurance, group insurance, meal vouchers, eco-vouchers, etc

About the Company

Nos domaines d'expertise : OS Temps Réel Sécurisés sur mesure, 5G Privée Sécurisée, IA Embarquée, Cybersécurité, Réseaux Industriels Know more