
Senior BI Consultant
- Hybrid
- Herstal, Liège, Belgium
- Application development
Job description

Joining KEYES means putting your talent to meaningful use
Are you looking for an environment where technology is more than an end in itself—a way to build a sustainable future? At KEYES, we look beyond technical expertise; we seek people who share our values.
Would you like to advance your career and grow with one of Belgium’s leading IT companies?
Join KEYES as a Senior BI Consultant!
KEYES supports private and public organisations in Belgium and across Europe in their digital transformation, combining business expertise, technological know-how and a long-term vision.
We help large organisations, the public sector, healthcare providers and SMEs address their digital challenges through Infrastructure & Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data & AI Solutions, Advisory Solutions and Staffing Solutions.
More information: www.keyes.eu
At KEYES, we do more than keep pace with technological developments: we help shape them!
Our strength lies in our complete control over our infrastructure. With our own data centres, we provide our clients with full data sovereignty, enhanced security and compliance with the strictest privacy and governance requirements.
We have also developed our own generative artificial intelligence solution, SophIA, a Large Language Model (LLM) designed to meet businesses’ specific needs. Unlike generic solutions on the market, SophIA can be deployed, configured and customised directly within the client’s environment, ensuring full control over sensitive data and seamless integration with existing business processes.
Joining KEYES means contributing to innovative projects where AI, sovereign cloud and next-generation infrastructure come together to create high-value solutions. It also means growing within a company that values expertise, innovation and autonomy, while making a tangible impact on tomorrow’s technological challenges.
MAIN TASKS AND RESPONSIBILITIES
Help understand clients’ needs regarding data consumption.
Identify the source systems that hold this data and perform data profiling.
Participate in workshops and meetings with business teams to refine requirements and deepen our understanding of how the source systems work.
Model a data mart (star schema) that meets the analytical needs expressed by the business.
Develop a SQL prototype of the data mart that reflects our understanding of business requirements.
Support user acceptance testing (UAT) to validate the prototype.
Develop the Data Vault model for the Data Warehouse layer using WhereScape (BI Automation).
Develop the data mart using WhereScape, based on the validated prototype.
WHAT WE OFFER
A role offering plenty of responsibility and challenges.
The opportunity to join a certified Top Employer, recognised for several consecutive years for HR practices that foster an excellent working environment and employee well-being.
A team of enthusiastic professionals, with a friendly working atmosphere and a culture of sharing expertise.
A dynamic company focused on innovation.
Personalised career support aligned with your expectations and ambitions, with opportunities to grow through our various development plans.
Continuous learning through numerous training and certification opportunities. An innovative e-learning platform offering unlimited access to more than 25,000 technical and soft skills learning resources from Edflex and Udemy.
Hybrid working: depending on your team assignment, you will work from our offices in the Liège region, Brussels or Heverlee. You can also work from home up to three days a week.
A comprehensive compensation package.
As part of our commitment to reducing our environmental impact, KEYES has transitioned to an electric company car fleet.
Fun moments together—food trucks, barbecues, after-work events, family days and more.
#LI-EA1
Job requirements
A minimum of 8 years’ experience in a similar role.
A Master’s degree with a technical IT specialisation is preferred.
Enjoys teamwork and has excellent communication skills when working with both business teams and technical experts.
Strong analytical skills, combined with a keen interest in IT challenges related to data processing.
Advanced SQL proficiency is essential.
Experience in the insurance sector is an advantage.
Curious, self-reliant and proactive.
Strong knowledge of Kimball modelling (star schema) and the ability to translate business requirements into data marts. Knowledge of Data Vault modelling is a plus.
Proficiency in WhereScape (BI Automation) is an additional advantage.
Must be available to work on-site in Liège two days a week.
Fluency in French is essential; knowledge of English is a plus.
Do you recognise yourself in this description?
Do you want to learn more?
Apply now! You will be contacted shortly
What if the mission isn’t an exact match for you?
Let’s stay in touch! Sign up, and we may contact you for other future opportunities:
https://keyescareers.eu/find-my-job
OUR RECRUITMENT PROCESS
Our recruitment process is efficient, transparent and fair:
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