Technical Specialist UXO/Survey

Introductie

TenneT is rapidly expanding to realize its strategic ambitions and plays a leading role in driving the energy transition. The Large Projects Offshore Netherlands (LON) business unit connects offshore wind farms in the North Sea to the onshore grid through innovative HVDC platforms, subsea cable systems, and offshore substations.

Jouw rol

As an experienced Geophysical Survey Specialist, you will play a key role in the planning and execution of offshore grid connection projects for large-scale offshore wind developments. You are responsible for the technical oversight, specification, execution, and interpretation of UXO (Unexploded Ordnance), geophysical, and geotechnical marine surveys that support routing, site assessment, permitting, and construction of submarine cable systems and offshore substations.

You ensure that survey data is of the highest quality, fit for purpose, and delivered on schedule to support engineering and environmental decision-making. Your work directly contributes to safe, reliable, and cost-efficient offshore grid infrastructure.

Key Responsibilities

• Provide technical expertise with a focus on dedicated UXO and debris surveys, as well as geophysical and geotechnical seabed investigations.
• Lead magnetic data acquisition, processing, interpretation, and target selection to define UXO clearance programmes.
• Ensure the quality of project documentation and survey data, monitoring changes throughout all project phases.
• Coordinate and brief client representatives, manage activities on survey vessels or site offices, and collaborate with TenneT contractors and consultants.
• Support project management by optimising survey programmes and delivering technical reports, charts, engineering recommendations, burial assessments, and cable protection strategies.
• Act as technical support during tendering, negotiations, and contracting of new offshore survey, debris removal, and UXO-clearance projects.

Jouw profiel & achtergrond

• Bachelor’s or Master’s degree in Earth Sciences, Geophysics, Surveying, or a related field.
• 7–10 years of relevant experience in geophysical offshore surveys, including magnetic surveys using gradiometers.
• Residency in the Netherlands and availability to work from the Arnhem office at least two days per week.
• Willingness to travel and possession of a valid driver’s license.
• Excellent command of English; Dutch language skills are a plus.
• Strong communication skills, independence, initiative, and ability to work in multidisciplinary teams.
• Proficiency with GIS platforms such as ArcGIS and QGIS; AutoCAD experience is an advantage.