To thrive as a Geotechnical Drilling Supervisor, you need strong knowledge of drilling operations, soil and rock sampling techniques, safety regulations, and field data collection, typically supported by a degree in civil engineering, geology, or a related field. Familiarity with drilling rigs, soil testing equipment, GPS, and relevant safety certifications such as OSHA or First Aid are commonly required. Excellent leadership, problem-solving skills, and clear communication are vital for effectively coordinating teams and managing site challenges. These competencies ensure that drilling projects are completed safely, efficiently, and in accordance with technical and regulatory standards.