Senior Drilling Supervisor

We are looking for an experienced Senior Drilling Supervisor to participate in a deep geothermal drilling campaign in Switzerland.

Operations will be carried out on a light drilling rig – Super Light Rig – equipped with an MPD (Managed Pressure Drilling) system.

The site will operate 24/7, with 12-hour shifts according to a 3x3 rotation.

Technical training and project familiarization for one to two weeks are planned in Switzerland in December 2026, before the operational start scheduled for January 2027.

As part of your duties, you will notably be responsible for:

• Promoting and maintaining a strong HSE culture across all site activities.
• Ensuring compliance with company standards, regulatory requirements, and operational procedures.
• Supervising and coordinating contracting companies, service providers, and field teams.
• Daily monitoring of drilling operations and ensuring their proper execution.
• Identifying operational problems, analyzing risks, and implementing necessary corrective actions.
• Participating in the execution of the drilling program.
• Monitoring the performance of contractors and various project stakeholders.
• Ensuring effective communication between different technical and operational teams.
• Contributing to risk management, unforeseen situations, and contingency plans.

We are looking for a seasoned professional with solid experience in onshore drilling operations.

Required experience:

• Minimum 10 years of experience in onshore Oil & Gas drilling operations or deep geothermal.
• Minimum 2 years of experience in continental Europe.
• Significant experience in supervising drilling operations.
• Experience in international, multicultural, and multidisciplinary environments.
• Experience in MPD – Managed Pressure Drilling operations is a real advantage.

Expected skills:

• Proven leadership and ability to manage operational teams.
• Excellent communication with field teams, contractors, and providers.
• Solid skills in risk management and contingency situation management.
• Strong HSE / operational safety culture.
• Ability to work in a demanding operational environment operating 24/7.
• Advanced professional English is indispensable.

Required / expected certifications:

• IWCF Level 4
• OPITO H2S
• MIST or BOSIET
• Valid OEUK medical certificate
• Project: Deep geothermal drilling
• Location: Canton of Vaud, Switzerland
• Technical training: 1 to 2 weeks in Switzerland in December 2026
• Operational start: January 2027
• Initial mission duration: 4 to 6 months, with possibility of extension depending on project needs
• Organization: 3x3 rotation
• Working time: 12-hour shifts – 24/7 operations

Do you wish to participate in a technical deep geothermal project in Switzerland and put your drilling experience at the service of a demanding and international campaign?

Join the IOTA teams and send us your application.

For over 40 years, IOTA Group has been supporting its clients in providing specialized technical skills for complex international projects, particularly in the energy and infrastructure sectors.

As part of an important deep geothermal drilling project in the canton of Vaud in Switzerland, IOTA is looking for several experienced drilling professionals to strengthen the teams mobilized for this campaign.