Senior Geotechnical Reviewer

Tetra Tech
Diamond Bar, CA

:

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/0 fixed hours/as needed, Senior Geotechnical Engineer for our office in Diamond Bar, CA. Our group specializes in geotechnical engineering and geologic assessment projects mostly locally in southern California but 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, 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 other public clients. The pay scale for this position is $80-$100 an hour, based on qualifications and experience. Tetra Tech offers an excellent working environment, competitive salary and benefits, great variety of projects, and an outstanding potential for personal and professional growth.

Your Role :

  • Primary responsibility is to review complex engineering documents, data sets, analyses, and reports and provide assistance to the engineering teams
  • Provide support for interactions with clients and agencies
  • Provide support in preparation of proposal and work plans
  • Provide mentorship to staff

Qualifications :

  • Bachelor's or Master's degree in a relevant geotechnical field
  • 20+ years of direct, relevant professional experience in geotechnical consulting and engineering; California PE and GE
  • Management experience with a broad range of projects for a wide range of private and state public and federal agencies
  • Excellent written and communication skills

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 30,000 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 X (Twitter): @TetraTechJobs

We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

Please no phone calls or agencies.

Posted 2026-06-18

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