Senior Calculation Engineer Offshore Works

Join Jan de Nul Group as a Senior Calculation Engineer in Aalst, Belgium. Contribute to offshore projects in oil, gas, and renewable energy markets.

Jan de Nul Group
Jan de Nul Group
Aalst, Belgium  UTC+01:00   On-site   Full Time   5000-10000   30 days ago

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?

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.


You will work from our office in Aalst but you will occasionally visit our sites abroad.

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.

What we offer

  • Through the JDN-Academy, we offer you a permanent training trajectory, starting with a 4 to 5-week training.
  • A caring culture: our FIT-programme allows us to monitor your well-being. The programme is centred around exercise, food and a healthy work-life balance.
  • The opportunity to make a difference together with your colleagues and to distinguish yourself through your creativity, innovation and durability.
  • By assembling multidisciplinary teams tailor-made for each project, we aim at always having the right person in the right place.

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About the role

Jun 24, 2024

Full Time


Dec 11, 2024


Jan de Nul Group

Aalst, Belgium

Mid-Senior level


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