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Mechanical Designer

Jan De Nul Group – Dredging

Capellen
Voltijds
Geplaatst op: October 13 2026
Your Work Context

As Mechanical Design Engineer you are together with your colleagues responsible and involved from the preliminary design of our maritime and offshore projects and fleet.

You will be part of our Marine Design and Engineering department. Each project is different and an optimum configuration is created every time. And if it doesn’t exist, we make it ourselves!

Your Role

As a Mechanical Design Engineer you are responsible for the designing, processing and follow-up of production drawings for our dredging equipment, our dredging fleet and offshore structures. 

Your main tasks and responsibilities include:

  • Designing preliminary concepts.
  • Consulting with internal departments to determine design constraints.
  • Drawing up designs of components and steel structures for ships and offshore structures in 2D & 3D from initial design to production drawings.
  • Supporting the ship construction department in getting the preliminary design for new build vessels on paper.
  • Preparing the technical design package for logistics, maintenance and production.
  • Implementing design modifications and improvements, keeping the design data up to date.

What do you need to have?

  • A bachelor degree in electromechanical engineering or industrial product design

  • You have several years of experience in the design of steel or machine constructions

  • You feel closely connected to mechanical and CAD design, and you have good technical understanding.
  • Experience with marine design, ship structures or offshore structures is an advantage, along with knowledge of Siemens NX, AutoCAD and PTC Windchill.

You will work from our centralized offices in Aalst, Belgium.

Working at Jan De Nul

Working at Jan De Nul means helping to find solutions to some of the biggest challenges of our time: from energy transition to rising sea levels to smart mobility. It means learning and working together every day, with the aim of ensuring the global quality of life for generations to come.

What we offer

  • A permanent training program through our JDN Academy

  • The opportunity to exercise at work through our FIT program

  • A permanent contract with 42 paid holidays (20 statutory, 12 ADV and 10 public holidays)

  • A competitive salary with a thirteenth month and double holiday pay, including:

    • Meal vouchers and eco vouchers

    • Public transport allowance and bicycle compensation 

    • Group and hospitalisation insurance
    • Various staff discounts

The world is what you make it

Jan De Nul is shaping water and land worldwide. We drive the transition to renewable energy with offshore energyinfrastructure. We focus on nature-inclusive dredging solutions to build ports and protect our coastline. We develop innovative construction projects for smart mobility and sustainable buildings. And we redevelop our planet by giving polluted sites a new purpose. At Jan De Nul, the world becomes what you make of it. 

Jan De Nul Group promotes diversity and inclusion in the workplace. We are an equal opportunities and anti-discrimination employer.  

Over Jan De Nul Group – Dredging
Jan De Nul Group – Dredging logo

Verken je talent, verleg je grenzen.

Design. Build. Connect. Jan De Nul Group geeft vorm aan water en land. Wereldwijd. Van complexe diensten aan de offshore energie- en energietransitiesector, over grote bagger- en verdedigingswerken op de rand van water en land, tot uitdagende civiele en milieuwerken. Goed geïntegreerde competenties en investeringen leiden tot creatieve, duurzame en innovatieve oplossingen. Zo levert Jan De Nul Group resultaten voor tevreden klanten. Vandaag, maar ook morgen.

  • Aantal werknemers: 6.267

  • Sectoren: Civiel, Dredging, Marine Energie, Offshore, Wind

  • Gewenst werk- en denkniveau: MBO, HBO, WO

  • Gewenste opleidingen: Civiele techniek, Offshore & dredging engineering, Werktuigbouwkunde, Maritieme techniek, Scheepsbouw, Maritiem Officier (Marof)

  • Carrièrefase: student, starter & traineeship (0-3 years), young professional (3-5 years), professional (5-10 years), senior professional (>10 years)