Job Specification – Junior Business Controller (OPEX) Location:
Brussels, Belgium Industry:
Human Resources services Department:
Finance / Business Controlling Reports to:
Senior Business Controller / Finance Manager Contract:
Freelance About the Role We are looking for a
Junior Business Controller
with strong analytical skills and a solid understanding of
OPEX (Operating Expenses). In this Belgium-based role, you will support financial performance monitoring, provide business insights, and collaborate with various departments to help steer cost efficiency. This position is ideal for a young finance professional who wants to grow into a strategic business partner role. Key Responsibilities OPEX & Financial Controlling Monitor, analyse, and report
OPEX
across functions and cost centres. Perform
variance analysis
(Actuals vs Budget vs Forecast). Support the creation of
annual budgets ,
quarterly forecasts, and
rolling estimates. Contribute to the monthly
closing process
in collaboration with accounting. Analyse cost drivers and identify optimisation opportunities. Business Partnering Act as a point of contact for budget owners within Belgium. Support operational teams in understanding their financial results and cost evolutions. Challenge and validate spending plans to ensure cost discipline. Create insights for management (Finance Manager, Country Manager, Operational Leads). Reporting & Analysis Prepare and maintain
management reporting, dashboards, and KPI overviews. Use BI tools (Power BI / SAP BW / Qlik) to automate and improve financial reporting. Work closely with shared service centres, accounting teams, and HQ controlling where relevant. Process & Compliance Ensure adherence to Belgian accounting standards and internal control frameworks. Contribute to continuous improvement of controlling processes and tools. Support internal and external audits when required. Required Qualifications Bachelor’s or Master’s degree in
Finance, Economics, Business Administration, Applied Economics, or similar (Belgian equivalences:
HBO5, Professional Bachelor, Master ). 1–3 years of relevant experience in
Business Controlling, FP&A, Audit, or Finance. Practical knowledge of
OPEX analysis, cost controlling, or P&L structure. Experience in international or matrix organisations is a plus. Skills & Competencies Strong analytical mindset and excellent numerical accuracy. Advanced
Excel
skills; experience with
ERP/BI systems
(SAP, Oracle, Power BI, etc.). Ability to present financial information clearly to non-finance colleagues. Proactive, hands-on, and eager to learn. Strong problem-solving skills and ability to work independently. Ability to work cross-functionally in a multicultural Belgian environment. Language Requirements Dutch or French required English
is required What We Offer (Belgium Market Standard) Freelance opportunity. Duration - 6 months (possibility to extend) Hybrid work (± 2 days home office per week, common in Belgium). Strong opportunities for growth into
Business Controller / Senior Controller / FP&A
roles. A collaborative, inclusive, and supportive workplace.