Project​/Senior Engineer

Tetra Tech's geotechnical office in Diamond Bar provides a broad range of services to a broad range of clients. Projects include dams, levees, surface mining and reclamation, landfill design, expansions and closures, brownfield redevelopments, infrastructure projects, landslides assessments and mitigations, and conventional geotechnical engineering projects involving foundations for hi‑rises, commercial, industrial, single‑family buildings. We also offer forensics, expert, and agency review services.

Our clients include federal, state, county, and local government agencies as well as private entities. Our staff includes certified and mostly higher‑degree geotechnical engineering, geology, and field construction staff. The Diamond Bar group focuses on earthquake engineering and advanced numerical modeling in support of worldwide operations. While most projects are in Southern California, we routinely provide services across Northern California, Arizona, New Mexico, and occasionally across the country and internationally.

Tetra Tech is adding a Project/Senior Engineer to our team based in Diamond Bar, CA. The position will involve hands‑on involvement in all project phases from proposal, project management, and engineering to client and design team interactions and eventual construction. The role will also involve group management and administration. Training will be provided as needed. This is a position with significant long‑term managerial growth potential.

Marketing experience is welcome but not required. Pay scale is $100,000 to $160,000 annually based on qualifications and experience.

• Preparation of scopes and budgets for proposals
• Management of junior and field staff to procure and conduct field investigations
• Management and leadership of data processing and engineering analyses efforts for preparation of reports
• Preparation of reports, including management of support engineering, geology, and drafting staff; leadership role in writing well‑structured reports suitable for senior review
• Participation and oversight of field efforts during both investigation and construction
• Interaction with clients to resolve scheduling, technical, and budgetary issues
• Provide mentorship to junior staff

• MSc in Geotechnical Engineering;
  PhD preferred
• PE registration or eligibility to sit for an exam
• 7+ years of relevant experience
• Experience in a geotechnical consulting firm preferred
• Competency in common geotechnical engineering analyses and reporting
• Specialty in a certain geotechnical field, e.g., seismic, landfill, numerical modeling

Experience with grading observations and testing

• Strong competency with Excel and Word; familiarity/competency with drafting and presentation software, e.g., Corel Draw, Adobe Illustrator, AutoCAD a plus
• Excellent oral communication skills
• Strong attention to detail and organizational skills
• Ability and willingness to manage staff
• Willingness to work in the field as needed
• Ability/willingness to occasionally travel
• Must be able to work outdoors under varying weather conditions, travel by foot over rough terrain, and lift at least 40 pounds

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

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, we provide 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.