Geotechnical & Hydrological Monitoring Conduct field monitoring activities at mines and quarries, including geotechnical, hydrological, and environmental measurements. Install, maintain, and inspect monitoring equipment such as inclinometers, piezometers, and other monitoring devices. Collect, prepare, and transport field samples according to established procedures. Ensure monitoring data is accurately recorded and reported.

Laboratory Operations Perform soil, rock, and water testing in accordance with laboratory standards and procedures. Prepare samples and maintain laboratory equipment. Support quality assurance and quality control activities within the laboratory. Maintain accurate testing records and documentation.

Surveying & Site Measurement Perform basic surveying activities using drone systems, GPS equipment, total stations (tachymeter), leveling instruments, and inclinometers. Conduct blasting vibration monitoring when required. Process and organize survey data for engineering review.

Field Support & Project Execution Support geotechnical investigations and site assessments across Sibelco operations. Assist geotechnical engineers and mining engineers in field projects. Participate in site inspections and monitoring campaigns. Support the deployment of new monitoring technologies and equipment.

Health, Safety & Compliance Comply with all Sibelco safety requirements and field procedures. Ensure work is conducted safely in mines, quarries, and field environments. Report hazards, incidents, and unsafe conditions promptly. Maintain compliance with laboratory and field quality standards.

Equipment Management Maintain field and laboratory equipment in good working condition. Coordinate calibration, maintenance, and repairs of instruments. Manage inventory of sampling and monitoring equipment.

Technical Capabilities

• Geotechnical Monitoring: Basic understanding of monitoring systems and instrumentation
• Laboratory Testing: Soil, rock, and water sample preparation and testing
• Surveying: Basic surveying techniques and equipment
• Data Management: Accurate recording and reporting of technical data
• Equipment Handling: Operation and maintenance of field and laboratory instruments
• IT skills: MS Office and basic technical software.

Educational Background and Prior Professional Experience Dutch MBO Level 3/4 or equivalent vocational qualification in Surveying, Geomatics, Civil Engineering, Mechanical Engineering, Electrical Engineering, Agricultural Engineering, Chemistry, or a related technical discipline. Experience in surveying, laboratory testing, field monitoring, mining, quarrying, construction, or a similar technical environment is preferred. Experience operating surveying, monitoring, or laboratory equipment is an advantage. Valid driver's license required. Specialized geotechnical monitoring and laboratory training will be provided by Sibelco.

Language Requirements Proficient verbal and written communication skills in English and French are required to effectively interact with site personnel and project teams across Western Europe. Basic knowledge of Dutch and German is an advantage.

Employee Type: Freelancer/External Consultant

Why Join Us? Sibelco is more than a workplace—it’s a community that encourages growth, innovation, and collaboration. Here’s what you can look forward to when you join our team: Meet Our People: Careers, Learn About Our Recruitment Process: Learn More, Discover Our Sustainability Goals: Sibelco priorities. We also welcome applications from all backgrounds and are committed to providing reasonable adjustments to support you through the selection process.

How to Apply Follow us on LinkedIn, Instagram, Twitter/X, and Facebook to learn more about life at Sibelco. Submit your application in the Apply option. Please note: We do not require agency services as we have a dedicated Global Talent Acquisition Team.