DATA FUNCTIONAL ANALYST

OneSource Consulting; Brussel; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

OneSource Consulting in Brussels is seeking a Data Functional Analyst to lead SME discussions, map data flows, and translate business needs into technical requirements. You will design data models with Data Architects and ensure GDPR compliance with the DPO while delivering robust data products.

The role requires 5+ years in data functional analysis, experience with Kimball warehouse modelling, and strong SQL/PowerBI skills in a hybrid Brussels office environment.

Qualifications

• Master degree in CS or equivalent.
• 5+ years data functional analysis experience.
• Kimball data warehouse modelling experience.
• Experience with SQL, SSIS/SSAS and PowerBI on-premise.
• Fluent French and Dutch (B2+)

Responsibilities

• Lead discussions with SMEs to understand data needs.
• Map and analyse business data flows and processes.
• Translate business needs into data requirements.
• Design and validate data models with Data Architects.
• Coordinate with DPO to ensure GDPR and security compliance.

Skills

Data modeling

Data analysis

SQL

Azure Databricks

Education

Master's degree in Computer Science or equivalent

Tools

SQL Server

SSIS

SSAS

PowerBI

Job description

WORK MODE: 100% FULLTIME (HYBRID 2 DAYS PER WEEK ONSITE)

CONTRACT DURATION: 26/10/2026 - 31/12/2026+POSSIBLE OF EXTENSION

JOB DESCRIPTION

ROLES AND RESPONSIBILITIES

Context

• The Data Office is the corner stone of all data related activities within Client. You will join one of multi-disciplinary agile team consisting of data engineers, reporting experts, data functional analyst, project managers, data architects, data quality experts and AI specialists.

Role & Responsibility

• Lead discussions with the different Subject Matter Experts (SME) of the business to understand their data related needs.
• Identify, assess and understand business processes, operational and analytics data flows (incoming and outgoing).
• Translate the business needs into data and technical requirements.
• Design and validate the data models in collaboration with Data Architects.
• Establish the functional design for our developments in full collaboration with the Data Governance team, BI Technical Leads and SDO (ICT) teams.
• Be in contact with the DPO to ensure GDPR and security compliance.
• Ensure the testing of the data products developed.
• Inform, train, encourage adoption of business users

Your Technical Skills

• Master degree in Computer Science or equivalent through experience.
• Minimum 5 years of professional experience in data functional analysis.
• Concrete experience in data warehouse modelling (Kimball approach).
• Concrete experience in designing and analyzing data flows.
• Prior experience as data engineer is a plus.
• Minimum 3 years of concrete experience with MS on-premise stack (SQL Server, SSIS, SSAS, PowerBI)
• Experience of Azure databricks is a plus

Your Profile

• Excellent communication skills (speaking, reading, writing), Mastering both national languages professionally (French & Dutch : B2+ minimum)
• Excellent presentation skills
• Strong conceptual and business understanding
• Ability to translate business needs into technical solutions
• Strong problem-solving, pragmatic approach and delivery focus
• Team player, perseverant, stress resistant and flexible
• Like to learn and open-minded

SKILLS

• Concrete experience in data warehouse modelling (Kimball approach).
• Data functional analysis
• SQL

QUESTIONS

• Do you agree to come and work at the office in Brussels at least 2x a week.
• Do you agree to telework within the Belgian borders.