Site/Civil Engineering Intern
The Opportunity
Join Tetra Tech’s California team as a Site/Civil Engineering Intern supporting a diverse mix of infrastructure projects across municipal, commercial, and private clients. This role offers hands-on exposure to site development design, real project experience, and the opportunity to learn directly from experienced engineers while building a strong technical foundation.
Why Tetra Tech
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.
Your Impact
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.
Position Summary
Tetra Tech is seeking a Site/Civil Engineering Intern to support civil/site development projects in our Irvine or Oakland, CA offices. This role focuses on grading and drainage, stormwater systems, and utility design. The intern will assist with technical design, preparation of construction documents, and basic engineering analysis under the guidance of experienced engineers.
Essential Functions:
- Assist with site development design, including:
- Grading and drainage plans using AutoCAD Civil 3D
- Stormwater management and erosion control
- Water, sewer, and dry utility layouts
- Support preparation of construction drawings, reports, and calculations
- Perform basic engineering analyses for site and infrastructure projects
- Assist with quantity takeoffs and cost estimates
- Support permitting documentation and agency submittals
- Collaborate with engineers, designers, and project managers across disciplines
- Participate in field visits or site assessments as needed
Required Qualifications
- Currently pursuing a Bachelor’s degree in Civil Engineering
- Basic understanding of site development principles (grading, drainage, utilities)
- Exposure to AutoCAD or Civil 3D through coursework or internships
- Strong analytical, organizational, and problem-solving skills
- Effective written and verbal communication skills
Preferred Qualifications:
- Familiarity with hydrology or hydraulics concepts
- Experience with AutoCAD Civil 3D
- Interest in pursuing EIT certification after graduation
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 https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers