Geotechnician

Sibelco Group; Op de Bos; On-site; EUR 45,000 - 65,000; Full time

Job summary

Maastricht Op de Bos location under Sibelco seeks a permanent Geotechnical & Hydrological Monitoring professional to conduct field measurements, install monitoring equipment, collect samples, and ensure accurate data reporting. The role covers geotechnical monitoring, lab testing, surveying, and site support across operations.

You will perform soil/rock/water testing, maintain lab gear, and assist engineers in field projects.

Qualifications

• Dutch MBO Level 3/4 or equivalent vocational qualification in 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.

Responsibilities

• 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.
• 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.
• Perform basic surveying activities using Drone systems, GPS equipment, Total stations, Levelling instruments.
• Conduct blasting vibration monitoring when required.
• Process and organize survey data for engineering review.
• 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 deployment of new monitoring technologies and equipment.
• Comply with all 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.
• Maintain field and laboratory equipment in good working condition.
• Coordinate calibration, maintenance and repairs of instruments.
• Manage inventory of sampling and monitoring equipment.
• 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.

Education

Dutch MBO Level 3/4 or equivalent

Tools

Drone systems

GPS equipment

Total stations

Levelling instruments

Inclinometers

Laboratory equipment

MS Office

Job description

Location:

Maastricht Op de Bos

About Sibelco

At Sibelco, we advance life through materials.

For over 150 years, we’ve been a trusted leader in sourcing, transforming, and distributing specialty industrial minerals. Our work powers progress across industries as diverse as glass, ceramics, construction, coatings, polymers, and water purification. Beyond our materials, we’re proud of our commitment to sustainability, innovation, and empowering people from all walks of life to thrive and make a meaningful impact.

Are We the Perfect Match?

At Sibelco, we believe building a successful career is a two-way journey. We’re looking for individuals who share our values and vision, just as much as you’re seeking a company that aligns with your aspirations. Together, we can shape the future.

Job Description

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), Levelling instruments, 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 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

• English and French – proficient verbal and written communication skills required to effectively interact with site personnel and project teams across Western Europe.
• Basic knowledge in Dutch and German are an advantage.

Employee Type

Permanent

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.