Internal Auditor

Deceuninck is a Belgian, publicly listed company and a global designer, manufacturer, and recycler of window, door, and building solutions. Founded in 1937, it is one of the largest independent players in its industry, employing over 3,600 people, operating 14 production sites, and managing 35 subsidiaries serving customers in more than 90 countries.

Deceuninck develops complete solutions in PVC, aluminium, and wood composite, with a strong focus on reliability, innovation, and sustainability. Circularity is central to its operations, backed by a state-of-the-art PVC recycling plant in Diksmuide, Belgium, positioning Deceuninck among the leading uPVC recyclers in Western Europe.

Key Figures (2025): · 48,000 t CO₂e avoided through PVC recycling · 17% recycled content · 22% renewable energy · 25% CO₂ reduction since 2021

To strengthen the internal audit team, we are looking to hire an Internal Auditor. The role provides a unique opportunity to work for a global manufacturing company, build an internal network and gain valuable insight in the different departments, operations, business – and financial processes of Deceuninck.

As Internal Auditor, you will join the Internal Audit Manager to form an internal audit team responsible for ensuring appropriate internal audit coverage for all Deceuninck entities. The position provides a unique opportunity to gain valuable experience and knowledge, serving as a foundation for possible next steps in your career within our organization.

What are your responsibilities?

You will provide internal audit services covering the Deceuninck locations in Europe, North America, South America, Türkiye and Australia.

• You take part in or take full ownership of audit assignments for Deceuninck entities in accordance with the applicable audit methodology:
  • Planning and preparing the efficient and qualitative execution of the audit,
  • Evaluate the design of processes, internal controls and their ability to mitigate risks through interviews and documentation review,
  • Investigate the adherence to the design of processes and internal controls through data analysis and audit testing,
  • Document the internal audit work for future reference and audit trail,
  • Provide assurance on balance sheet and P&L statements,
  • Report on the audit results in a structured and qualitative manner in a formal audit report including audit findings and recommendations,
  • Follow-up on the progress of recommendations to ensure timely and qualitative implementation.
• You will participate in ad-hoc projects to support the improvement of policies and procedures.
• You will report to and work closely together with the Internal Audit Manager.
• You will be in direct contact with the Audit Committee.

Who are we looking for?

• You have obtained a master’s degree in business.
• You have at least 3 years of experience in a Big 4 audit firm.
• You are willing to travel to Deceuninck entities abroad (10 – 15%).
• You are interested in processes, internal controls and risk management.
• You are comfortable and willing to take full ownership of internal audit assignments.
• You are hands-on and don’t hesitate to connect with all levels of the organization.
• You can work autonomously on assigned projects and audit assignments next to being an excellent team player.
• You are fluent in Dutch and English (spoken and written). Knowledge of Spanish is a plus.

What do we offer?

• Join a financially sound, publicly listed market leader with a dynamic and collaborative culture.
• A competitive salary package.
• Thriving in an organization powered by three core values: We take Initiative, We act with Integrity, and We work as one team.
• Continuous learning: our international group offers personal development and tailored training programs.

Interested? Apply via the following link: Solliciteer voor de vacature INTERNAL AUDITOR bij Deceuninck

Questions? Contact Myriam Parmentier at +32 475 90 12 22 or send an email to myriam.parmentier@deceuninck.com.