Senior Geologic Designer

GFT is seeking a Senior Geologic Designer to join our Geotechnical, Dams and Hydraulics team in Roseville, CA
! This role follows a hybrid work model, requiring regular attendance at our Roseville office.

Our specialists have the in-depth knowledge to excel on the most challenging geotechnical assignments. We provide innovative solutions for foundations; underground construction; earth structures, including dams and levees; groundwater resources; and marginal building sites. Our geotechnical engineers and geologists also specialize in landslides, sinkholes, mine subsidence, seepage, expansive soils, and seismic activity. We have completed more than 1,000 subsurface and geophysical projects across the U.S. – from small‑scale projects to large, complex dams, highways, bridges, and underground structures.

The Roseville office primarily supports hydroelectric clients and their related projects. As a Senior Geologic Designer, you will support geologic investigations to characterize and evaluate geologic/geotechnical conditions and to identify geologic factors that could impact the design, construction, and/or long‑term performance of engineered structures. Project work performed and supported by this role includes geologic field reconnaissance mapping to identify and characterize geologic hazards, logging and sampling geotechnical borings, developing geologic models through interpretation of available surface/subsurface data, and preparing technical reports.

You will assist with a wide variety of projects, including rockfall evaluation and mitigation, storm damage assessment and repair, post‑fire assessment and debris flow mitigation, fault hazard evaluation, seismic source characterization, geotechnical and structural instrumentation, and water conveyance inspections (canals, tunnels, penstocks).

• Compiles and synthesizes geologic data from a variety of sources, including geologic maps, aerial photographs, construction records, and other background document information.
liPerforms geologic field reconnaissance and mapping for the identification of geologic hazards and site characterization.
• Prepares field exploration work plans and job hazard assessments.
• Participates in subsurface exploration programs, including logging of soil borings, rock coring, fault trenching and test pits.
• Applies standard practices and techniques, interprets and correlates geologic and laboratory data, prepares geologic cross‑sections and maps.
• Prepares technical reports or sections of reports.
• Performs construction observation activities including site grading/earthwork, foundation preparation, instrumentation installation, scaling of rock slopes, and rockfall mitigation measure installation.
• Adheres to project quality assurance/quality control, and health and safety protocols.
• Performs periodic client coordination and attends project meetings
• Concurrently supports multiple small projects and/or responsible for tasks within larger projects; management includes tracking of project resources, scope, budgets, schedules, and deliverables in accordance with quality management system.

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BA/BS degree in Geology, Engineering Geology, or related discipline.
• 1 to 3 years of direct professional work experience in geology, engineering geology, or related discipline.
• Experience in conducting field investigation activities/tasks independently or as part of a larger technical team.
• Ability to perform supervised geologic research, prepare tables, figures, and reports with focus on detail and accuracy.
• Knowledge of geology, engineering geology, or hydrogeology concepts and processes with ability to apply skills to projects within civil and geotechnical engineering disciplines.
• Strong, professional level oral and written communication skills.
• Proficient use of standard office software programs (Word, Excel, PowerPoint, Outlook, etc.)

• MS degree or higher in Geology, Engineering Geology, or related discipline.
• Current Geologist in Training Certification.
• Experience primarily related to…