A Senior Geotechnical Engineer is responsible for analyzing soil, rock, and groundwater conditions to assess their impact on construction projects. They provide expertise in foundation design, slope stability, earthworks, and ground improvement techniques. Additionally, they lead geotechnical investigations, interpret technical data, and ensure compliance with engineering standards. They often work closely with structural engineers, contractors, and clients to develop safe and cost-effective solutions. Leadership, project management, and mentoring junior engineers are also key aspects of the role.