Senior Engineering Geologist

Discover your full potential. At Tetra Tech, we are collaborating with industry-leading experts for a sustainable future for our world. We combine consulting and engineering with advanced analytics and technology to solve the world’s most complex challenges. Our innovation hubs across the globe will enable you to share ideas and best practices while growing your professional network. Wherever you are in your career journey, you will benefit from working with world‑class engineers, scientists, and technical specialists.

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry‑leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development.

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Tetra Tech is adding an Engineering Geologist to our team based in Diamond Bar, CA. The group specializes in geotechnical engineering and geologic assessment projects mostly locally in southern California and also regularly in the Southwest United States and occasionally internationally. Our projects include dams and levees, mines, landfills, brownfield redevelopments, infrastructure projects as well as conventional geotechnical engineering projects, and forensic services and peer review services.

Our clients are well diversified between state and local agencies (cities and counties), federal agencies (USACE, FEMA, FERC) as well as nationwide private and public clients. The pay scale for this position is $130,000 to $170,000 annually based on qualifications and experience.

You will have the opportunity to grow your technical and business skills and contribute to some of the most complex engineering projects. We offer comprehensive benefits, competitive salary and an entrepreneurial career path that values innovation and excellence.

The selected candidate should have at least 15 years of direct professional experience in geotechnical consulting. You should be proficient in advanced geotechnical field work, geological analyses, and project management tasks. We are a collaborative team comprised of geotechnical engineers, engineering geologists, advanced degree professionals, as well as field staff and consultants frequently working on multi‑disciplinary projects across several operating units at Tetra Tech.

• Perform and/or manage geotechnical field investigations, fault studies, site inspections, and construction observations and testing
• Perform analyses of collected field data, laboratory data and published data for the purpose of developing appropriate geotechnical design recommendations suitable for civil/structural design, permitting, certification and assessment.
• Perform geologic evaluation tasks, including geologic maps and cross‑sections, borehole and trench logs, and written descriptions of geologic conditions
• Perform geologic hazard evaluations with focus on fault studies, landsliding
• Prepare and/or assist in the preparation of design reports
• Provide mentorship to junior staff

• Bachelor's or master’s degree in geology and at least 15 years of direct relevant professional experience
• PG and CEG, or the ability to sit for a CEG exam
• Proficiency in geologic field logging of borings, test pits, and trenches
• Proficiency in geologic field mapping
• Management of field and office staff
• Analyses of engineering geological data
• Proficiency in Microsoft Office suite. Some competency in illustration software is also desirable, e.g., Autocad, Adobe Illustrator, Corel Draw, ArcGIS
• Preparation of proposals and reports
• Self‑starte…