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. Our work has improved more than 625 million lives around the world.

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.

Apply today and join the company that is Leading with Science®.

We are seeking a part-time, Engineering Geologist for our office in Diamond Bar, CA. The group specializes in geotechnical engineering and geologic assessment projects mostly locally in Southern California, 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.


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 candidate should have at least 25 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. The pay scale for this position is $72.12-$86.54 an hour, based on qualifications and experience.


Your Role :

• Develop, 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;
• Perform peer reviews with focus on fault studies.

Qualifications :

• Bachelor's or Master's degree in geology and at least 25 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 also desirable, e.g., Autocad, Adobe Illustrator, CorelDraw, ArcGIS;
• Preparation of proposals and reports;
• Self-starter, analytical, and possess excellent computer, writing and oral communication skills;
• Experience in field investigation and construction quality assurance activities;
• Some travel (up to approximately 20% - 25%) should be anticipated.

Life at Tetra Tech:
The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

We invite applications from all interested parties.

Explore our open positions at Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
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We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

Please no phone calls or agencies.