Airswift is currently looking for a Mud Engineer to work with our client Geothermal projects Job Title: Mud Engineer Duration: 4 to 6 months contract can be extendable Rotation: 3/3 Schedule: 12 hours Shift Project: Deep Geothermal Location: Lausanne, Switzerland Small Rig Mud Engineer – Onshore Geothermal / Oil & Gas Operations Position Summary The Drilling Fluids Engineer is responsible for providing onsite drilling fluid services on a super-light drilling rig utilizing Managed Pressure Drilling (MPD) systems. The role involves monitoring, testing, maintaining, and optimizing drilling fluid performance to ensure safe, efficient, and cost-effective drilling operations while maintaining full compliance with HSE and regulatory requirements. Key Responsibilities Provide onsite drilling fluid engineering services throughout drilling operations on a super-light rig utilizing MPD technology. Test, monitor, control, and optimize drilling fluid properties to meet operational requirements and well objectives. Supervise drilling fluid mixing, treatment, storage, and pumping operations during all phases of the drilling program. Analyze drilling fluid performance and provide technical recommendations to improve drilling efficiency, wellbore stability, and operational safety. Monitor and track fluid consumption, inventory, and treatment costs, contributing to cost control and operational performance. Coordinate closely with the Drilling Supervisor, Rig Manager, MPD personnel, contractors, and service providers to achieve project objectives. Ensure effective solids control practices and maintain drilling fluid systems in accordance with operational requirements. Support troubleshooting activities related to drilling fluid performance, losses, contamination, and wellbore instability issues. Prepare accurate daily reports, fluid summaries, and technical recommendations for the drilling management team. Ensure compliance with company procedures, regulatory requirements, and industry best practices. Promote and maintain the highest standards of Health, Safety, Security, and Environmental (HSSE) performance. Support, mentor, and provide technical guidance to junior drilling fluids personnel when required. Required Qualifications Bachelor's Degree in Science, Engineering, Petroleum Engineering, Chemistry, Geology, or a related discipline. Minimum 10 years of drilling fluids engineering experience in onshore Oil & Gas and/or deep geothermal drilling operations. Minimum 2 years of drilling operations experience within Continental Europe. Strong knowledge of: Drilling fluid systems Solids control equipment and processes Wellbore stability management Managed Pressure Drilling (MPD) operations Hydraulic and drilling optimization principles Proven ability to support drilling campaigns in challenging drilling environments. Required Certifications IWCF Level 2 (minimum) OPITO H2S MIST or BOSIET OEUK Medical Certificate (or equivalent offshore/onshore medical fitness certification) Key Competencies Strong technical and analytical problem-solving skills. Excellent communication and reporting abilities. Ability to work effectively within multidisciplinary drilling teams. High level of safety awareness and commitment to HSE excellence. Ability to work independently in remote operational environments. Strong organizational and cost-control mindset. Preferred Experience Deep geothermal drilling projects. Managed Pressure Drilling (MPD) operations. High-temperature wells and challenging wellbore environments. International drilling operations within Europe. Industry: Geothermal Energy / Oil & Gas Employment Type: Contract / Rotation-Based Assignment (as applicable)
