Medior/Senior Data Engineer - Consultant

Publication date : Oct 21, 2026, 2:23PM

Make your mark! Orange Business seeks a Data Warehouse Engineer in Brussels.

Medior/Senior Data Engineer - Consultant
Permanent
FR or NL + EN

Our Digital & Data team at Orange Business is a dynamic community of expert consultants revolutionizing Customer Experience, Cloud, Data, and AI across various sectors, including retail, finance, manufacturing, life sciences, and public services.

With 30 years of expertise, we remain at the forefront of innovation, revolutionizing business transformation across industry with the full potential of vanguard Data technologies at scale in a sustainable way.

We have a significant international presence, with 20% of our activity extending beyond Belgium, and this number continues to grow. By joining us, you will be part of a global impact on businesses around the world.

Check out some of our ongoing projects:

• At Carrefour, Orange Business ensures the seamless operation and evolution of the Data Platform, managing both analytical and operational data flows with a focus on reliability and performance. We handle diverse workloads, including batch and stream processing. By processing everyday terabytes of data that feed dashboards and web APIs, we empower Carrefour to leverage data-driven insights and support their business growth.

• Big Pharma International Company: Orange Business migrated a Drug Discovery Data Platform hosted on-premises from a Hadoop stack to Azure. During the migration, we improved various data flows to reduce processing time, implemented proactive data quality checks, and optimized the CI/CD pipelines. Our efforts resulted in a more efficient and reliable platform, allowing scientists to quickly and safely assess the potential of tested molecules for new drugs development.

• For Paradigm, Orange Business created a data platform and a unified set of tools for all public sector to conduct data projects, with a focus on Kubernetes and DevOps processes to enable self-service and standardization. We were able to handle many projects from all administrations, ranging from API management to data processing & analytics, as well as data science modelling.

This is a great opportunity for someone who enjoys owning deliverables, working close to the business, and growing their craft in a supportive, high-standards engineering culture.

Interested in taking part in this exciting journey? Please take a look at the following requirements and let’s meet up if that matches your profile!

What You’ll Do:
All the responsibilities we’ll trust you with

As Data Engineer, your role will involvedevelopment, data modelling, unit testing and, continuous deployment using the latest technologies related to Cloud solutions.

• Lead the Way: Use an analytical, data-driven approach to support business cases.

• Engage with Stakeholders and Get Creative: Work with clients and partners to design data pipelines and deliver insightful analytics while ensuring data integrity.

• Use your technical knowledge: implement effective solutions by leveraging top-notch technologies and automating key components of client’s infrastructure.

• Mentor and Collaborate: Possibility to give training in our Cloud and Data Academy or present advanced tech topics during Lunch & Learn session.
  

Who you are:
What matters most for this role

Your interests & soft skills:

• Interest in digital transformation and data-driven solutions

• Proactive mindset and outside the boxthinking to tackle challenges.

• You are able to explain technical concepts to a non-technical audience.

• You excel in interpersonal communication and know how to have a professional and commercial approach with customers.

• You value collaboration as a way to succeed

• Strong communication and presentation skills in French and/or Dutch + English

Your technical expertise:

• A master’s or bachelor’s degree in IT, a related technical field

• At least 3 years’ experience as a Data Engineer

• Knowledge of Data Warehousing principles and Data Modelling (Data Vault, Star-schemas, Slow Changing Dimensions, …)

• A strong interest in data manipulation (storage, crunching, pipeline implementation)

• A strong SQL knowledge

• Experience with one of the cloud provider:Azure, Google Cloud or AWS

It is not a requirement, but other preferred qualifications would be:

• Knowledge of at least one programming language: Java, C#, Python, Scala…

• Knowledge of continuous developments / deployment concepts & technologies (GIT, Azure DevOps, Gitlab, CircleCI, ...)

• Basic knowledge of scripting languages (Bash, PowerShell)

• Knowledge of Unix environments

Interests and soft skills we value
What success looks like

We seek individuals who embody our values - Caring, Responsible and Bold.
You thrive on ambitious goals, collaborate openly, and make a meaningful impact with integrity.
We value professionals who combine deep expertise with a passion for learning, innovation, and exceeding expectations.
If you show initiative, accountability, and support your colleagues, you’ll flourish with us.
Excellence comes from people who lead by example and pursue personal and professional growth.

Why you should join us:
Some of the rewards of working at Orange Business

• A community of experts - as Digital Natives, we put innovation at the heart of our expertise. Continuously seeking new ideas, we proudly host regular “Guild” workshops and knowledge-sharing sessions through our Data Meetups. 

At Orange, only your skills matter.

Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.
Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.