FUNCTION DESCRIPTION Your main tasks will be: Mixing and preparing the drilling fluids Monitoring their properties (like viscosity, density and pH) Adjusting the drilling fluids to optimize the drilling performance while stabilizing the borehole and carrying cuttings out. REQUIREMENTS For this job, you need to have: Experience in HDD or drilling projects (preferably 1-3 years). Knowledge of mud systems and the preparation, maintenance, and disposal of drilling fluids. Previous experience with fluid testing equipment and procedures in an HDD or similar project Right to work in the European Union (mandatory), Proficiency in English (minimum B2) (mandatory),