Jan De Nul Group
Hydrographic Surveyor
3 months ago
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Important information
Contract type:
Freelance / Contract
Location:
Aalst, Belgium
Work mode:
Onsite
Published on:
7 August 2026
What they need
Your Work Context The Survey Department is responsible for organizing the surveying and hydrographic measurements carried out before, during and after dredging or offshore works. As a Hydrographic Surveyor, you work with state-of-the-art equipment on our projects worldwide.
Your Role For the continuous expansion of the department, we are looking for enthusiastic new colleagues. Depending on your education and experience, you will be deployed on one of several projects worldwide. As Hydrographic Surveyor , your main tasks and responsibilities are:
- Set-up of survey work at project start-up: installation of equipment (sounding equipment, tide gauges, positioning system equipment, etc.);
- Determining the most suitable sounding method;
- Carrying out the measurements;
- Calculating the dredging quantities carried out;
- Drawing up maps using specific software;
- Maintenance and calibration of the various high-tech systems;
- Point of contact for positioning systems on board the vessels;
- Reporting on activities to line management;
- Monitoring the work of local Surveyors;
- Keeping Survey records up to date.
What do you need? You have a degree in Industrial Engineering Construction, Hydrography, Electronics, Geology, Surveying, Geography, Bioengineering or Topography. You are willing to work on our global projects on a 2:1 rotation system, whereby you stay on project for two months followed by 1 month leave. Driving license is a must.
Working at Jan De Nul Working at Jan De Nul means contributing to solutions to some of the biggest challenges of our time: from the energy transition to rising sea levels to smart mobility. It means learning and working together every day to preserve the global quality of life for generations to come.
What We Offer
A permanent training path via our JDN Academy
The opportunity to practice sports at work via our FIT programme
An open-ended permanent contract
Competitive wages with thirteenth month and double holiday pay
When you work in Belgium:
Luncheon vouchers and eco-vouchers
Possibility to take part in the Flex Reward programme, including bike and car leasing, including fuel card or charge pass in Belgium
Employer’s contribution in public transport and bicycle expenses
Group and hospital care insurance
Optional iPhone with subscription
Miscellaneous staff discounts
When you work abroad: different package with attractive conditions.
The World Is What You Make It Jan De Nul Group shapes water and land around the world, addressing some of the most important challenges of our time. We boost the energy transition with infrastructure for renewable offshore energy . We focus on nature-inclusive dredging solutions to build harbours and protect our coastlines from the rising sea. We develop innovative construction projects for smart mobility and durable buildings. And we invest in planet redevelopment , giving new purpose to polluted sites. At Jan De Nul, the world is what you make it.
Jan De Nul Group promotes diversity and inclusion in the workplace. We are an equal opportunities and anti-discrimination employer. Referenced Team Geomatic and Environmental
Careers in dredging
Working Abroad
Young professionals
Education Master's degree
Hydrographic Surveyor;MBES;Surveyor;Geodesy;Hydrography;Offshore Surveyor;Geomatic Surveyor;Hydrographer;Survey Engineer;Geophysical;Geospatial;Offshore Survey Engineer;Hydrographic Technician
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