Logo
Find JobsCompaniesJob alertNews
Logo

Connecting Maritime and Offshore Energy professionals with opportunities worldwide.

For Job Seekers

  • Browse Jobs
  • Companies

For Employers

  • Post Jobs
  • Pricing

Company

  • About Us
  • Contact
  • Privacy Policy

© 2026 Maritieme Vacaturebank. All Rights Reserved

Senior Tender Engineer Offshore

Jan De Nul Group – Dredging

Capellen
Posted on: April 29 2026
Your Work Context

Jan De Nul Group offers specialised services for the installation of subsea structures for the oil, gas and renewable energy markets.  Seabed preparation, dredging of trenches, as well as their stabilisation and ballasting, belong to the offshore services. Whether it concerns subsea pipelines, cables, umbilicals, foundations, platforms or even integral wind farms : everything is always tailored to the needs of the client and on an EPC-basis if required. Do you want to be part of our international team?

Your Role

For this variety in Offshore activities, we are looking for experienced Tender Engineers. You are responsible for the price calculation on important offshore marine projects during tender phase.

Your tasks and responsibilities include:

  • Analyse the technical feasibility of plans and tender documents
  • Examine and compare the various execution techniques in order to arrive at a technically and commercially interesting offer
  • Determine the overall cost for a project, after comparison and evaluation of quotations of suppliers and subcontractors
  • Analyse the different risk factors and select the most appropriate equipment and execution method in collaboration with the Project Engineers
  • Collaborate with colleagues of specialised in-house departments that provide stability calculations, drawings etc.

What do you need to have?

You are a Civil/Mechanical Engineer with some years of experience in a similar and/or executive function within the construction or marine sector. You are proficient in MS Office (especially Excel). A good knowledge of English is required. Your work is accurate and methodical, still creativity and passion matter just as much. You will work from our office in Aalst but you will occasionally visit our sites abroad.

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

  • An ongoing training programme through our JDN Academy.

  • The opportunity to exercise at work through our FIT programme.  

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

  • A healthy work-life balance (flexible working hours and occasional work from home).  

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

    • Meal vouchers and eco vouchers  
    • Opportunity to participate in the Flex Reward programme, including bicycle and car leasing, including fuel card or charging pass in Belgium.  
    • Intervention public transport and bicycle allowance  
    • Group and hospitalisation insurance  
    • Option of iPhone with data subscription
    • Various staff discounts 

*applicable with Belgian contract.

 

 

The world becomes what you make of itJan De Nul is shaping water and land worldwide. We drive the transition to renewable energy with offshore energy infrastructure. 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.

About Jan De Nul Group – Dredging
Jan De Nul Group – Dredging logo

Verken je talent, verleg je grenzen.

Design. Build. Connect. Jan De Nul Group shapes water and land. Worldwide. From complex services for the offshore energy and energy transition sectors, to major dredging and coastal defense projects at the water's edge, and onto challenging civil and environmental works. Well-integrated competencies and investments lead to creative, sustainable, and innovative solutions. In this way, Jan De Nul Group delivers results for satisfied customers. Today, and for the future.

Facts about

  • 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 jaar), Young Professional (3-5 jaar), Professional (5-10 jaar), Senior Professional (> 10 jaar)l