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Project​/Senior Engineer

Job in Diamond Bar, Los Angeles County, California, 91765, USA
Listing for: LS Technologies
Full Time position
Listed on 2026-07-01
Job specializations:
  • Engineering
    Civil Engineering, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 160000 USD Yearly USD 100000.00 160000.00 YEAR
Job Description & How to Apply Below

Project/Senior Engineer

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

Marketing experience is welcome but not required. The pay scale for this position is $100,000 to $160,000 annually based on qualifications and experience.

Your Role:

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

Qualifications:

  • MSc in Geotechnical Engineering, PhD is preferred
  • PE Registration or eligibility to sit for an exam
  • 7+ years of relevant experience
  • Experience in a geotechnical consulting firm is 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 is a must, familiarity/competency with drafting and presentation software, e.g., Corel Draw, Adobe Illustrator, AutoCAD is a plus
  • Excellent oral communications 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
  • The applicant must be able to work outdoors under varying weather conditions, travel by foot over rough terrain, and lift at least 40 pounds

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.

Position Requirements
10+ Years work experience
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