Senior Business Controller – Finance team  Nuclear 

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Welcome to ENGIE, leader in the energy transition! Every day, we develop energy-efficient solutions and thus build a carbon-neutral future! 

The extension of our nuclear activities in Belgium opens the door to ambitious projects and represents a major national challenge. We are looking for the best talents to contribute to this. 

For the Finance Team Nuclear, we are actively looking for a senior business controller. 

Your challenge as Senior Business Controller 

Position Overview 

The business unit Nuclear at Engie is going through a transformation due to multiple units going into decommissioning (Decom) and the Extension of 2 units (Doel 4 and Tihange 3) for 10 years in partnership with the Belgian government (LTO).  In this context, the Finance team within the Business Unit Nuclear is looking for a senior Business Controller to strengthen the team. 

Key Responsibilities 

As a Senior Business Controller, you will be reporting to the Head of Finance Nuclear and will be entrusted with a broad range of critical tasks with the aim of strengthening the finance setup related to the Decom and LTO program. Your responsibilities will include, but are not limited to: 

Financial planning & analysiss 

• Coordinate/Plan the budgeting forecasting process, ensuring alignment with business objectives and group guidelines. 
• Steer business performance analysis process across the Nuclear business unit, clarifying requirements from Site Controllers. 
• Provide clear management reports on the business performance, bringing a coherent business story and how it’s reflected in the financial figures. 
• Prepare and present timely, accurate, and insightful management reports covering financial and operational KPIs, risks, and opportunities. 
• Monitor and challenge operational and financial performance at both plant and business unit levels, identifying areas for improvement and efficiency gains. 
• Support the monthly and quarterly closing processes, ensuring compliance with relevant accounting standards and internal policies 

Business Partnering 

• Act as a trusted advisor to the business, giving clear insight in financial impacts & fostering cost consciousness. 
• Collaborate with cross-functional teams (engineering, operations, procurement, HR, etc.) to ensure adequate business content behind the figures. 
• Contribute to the preparation of business cases, scenario and sensitivity analyses 

Risk Management & Internal Control 

• Contribute to the ERM process. 
• Ensure good documentation of closing & budgeting processes, contributing to a robust internal control framework. 
• Participate in internal and external audits, supporting audit preparation and implementing recommendations 
• Collaboration & Communication 
• Prepare presentations and financial materials for internal and external stakeholders, including executive committees, regulatory bodies, and external partners. 
• Foster a culture of collaboration, accountability, and knowledge-sharing within the finance team and across the business unit. 

The ideal match 

The ideal candidate is a seasoned finance professional with a passion for the energy sector and a proven track record of excellence in business controlling, preferably within a complex, asset-intensive environment such as nuclear, utilities, or heavy industry  

• Master's degree in finance, Business Administration, Economics, Engineering, or a related field  
• Minimum 10 years of experience in financial controlling, planning & analysis, or business finance, with at least 3 years in a senior or lead role. 
• Experience in the energy sector is highly desirable. 
• Demonstrated experience in managing budgeting cycles, financial modeling, performance monitoring or investment analysis  
• Excellent analytical skills with the ability to synthesize complex data and generate clear, actionable insights. 
• Advanced proficiency in financial modeling, Excel, and business intelligence tools (Power BI, SAP, etc.). 
• Solid understanding of accounting principles (IFRS/GAAP), risk management frameworks, and internal controls  
• Strong business acumen and strategic mindset. 
• Good communication skills, both written and verbal, capable of engaging with senior management and technical experts alike. 
• Results-oriented, with a high degree of initiative, integrity, and resilience. 
• Adaptability and openness to continuous learning. 
• Team player  
• Fluency in English is required; proficiency in French or Dutch is an advantage. 

We offer you 

An exciting challenge in a constantly evolving sector  

A wide range of training and development opportunities throughout your career  

A pleasant working atmosphere and healthy work-life balance  

Career opportunities depending on your ambitions and abilities 

An open-ended contract with a competitive salary, supplemented with numerous benefits, including:  

34 days of leave 

a company car or access to other mobility solutions 

Wage evolution and variable remuneration according to a performance-based remuneration system  

hospitalisation insurance, reimbursement of outpatient medical costs and a supplementary pension plan 

Discount on your annual energy bill 

Your contact person 

Caroline De Rom – caroline.derom@external.engie.com 

Want to know more about working in a nuclear power plant? Click here for more information.