Senior Drilling Supervisor

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

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

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 Super Light Rig equipped with an MPD (Managed Pressure Drilling) system.

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

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

In your role, 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.
• Monitoring daily 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 the ability to manage operational teams.
• Excellent communication with field teams, contractors, and service providers.
• Strong skills in risk management and contingency management.
• Strong HSE / operational safety culture.
• Ability to work in a demanding 24/7 operational environment.
• Advanced professional English is essential.

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 the possibility of extension depending on project needs
• Organization: 3x3 rotation
• Working hours: 12-hour shifts – 24/7 operations

Do you want to participate in a technical deep geothermal project in Switzerland and put your drilling experience to work for a demanding and international campaign?

Join the IOTA teams and send us your application.