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Land Surveyor
Tetra Tech - Irvine, CA
The Opportunity Tetra Tech is adding a Land Surveyor to our team based in Irvine, CA. 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...
Project Manager – Renewables (California) Remote/Hybrid
Tetra Tech - Irvine, CA
The Opportunity: Tetra Tech is adding a motivated Project Manager - Renewables to join our growing California Energy Practice. This position offers the opportunity to lead and contribute to high-profile renewable energy development projects, including solar, wind, battery energy storage, and transmission throughout California and the Wes...
Environmental Planner – Renewables (Junior-Level) (Remote/Hybrid)
Tetra Tech - Irvine, CA
The Opportunity: Tetra Tech is adding a Junior-level Environmental Planner to support our growing energy development practice in California, with a specific emphasis on renewable siting and permitting. With decades of national experience, Tetra Tech offers a wealth of technical knowledge and a strong understanding of federal, state, and local regulations...
Civil Engineer, Intern
Tetra Tech - Irvine, CA
The Opportunity We are seeking a Civil Engineering Intern to join our Irvine office. This is an exciting opportunity for a motivated student or recent graduate to gain hands-on experience supporting a variety of federal, municipal, and private development projects. You'll assist with the design of stormwater systems, grading, multiuse paths,...
Conveyance Engineer – Project Manager
Tetra Tech - Irvine, CA
The Opportunity: Join Tetra Tech's Water Team in Irvine to shape, modernize, and safeguard municipal and regional water infrastructure across Orange County and beyond. As a Conveyance Engineer – Project Manager , you'll lead a team that specializes in the engineering of public water systems to upgrade aging infrastructure, provide sustainable solutions...
Conveyance Project Engineer
Tetra Tech - Irvine, CA
The Opportunity: Join Tetra Tech's Water Team in Irvine and play a key role in delivering innovative water and wastewater conveyance solutions across Orange County and beyond. As a Conveyance Project Engineer, you'll work alongside seasoned project managers to bring major infrastructure projects to life. Be part of our team that specializes in the engineering of publi...
On-Call Field Archaeologist – California and Nevada
Tetra Tech - Irvine, CA
The Opportunity: Tetra Tech is adding On-Call Field Archaeologist for projects in California and Nevada, with opportunities to work on projects in other states. These are part-time, temporary hourly positions with hours that may vary depending on project-specific workload. Pay rates range between $26 to $30 per hour based on individual qualifications, educati...
On-Call Archaeological Field Director – California and Nevada
Tetra Tech - Irvine, CA
The Opportunity: Tetra Tech is adding an On-Call Archaeological Field Director for projects in California and Nevada, with opportunities to work on projects in other states. These are part-time, temporary hourly positions with hours that may vary depending on project-specific workload. Pay rates range between $26 to $35 per hour based on individual qualifications,...
Conveyance Design Engineer
Tetra Tech - Irvine, CA
The Opportunity Tetra Tech is adding a Conveyance Design Engineer, EIT to our growing Water team based in Irvine, CA. This is a great opportunity for an early-career engineer who's looking for technical career growth on challenging water and wastewater conveyance projects with opportunities for training in business...
Process Design Engineer
Tetra Tech - Irvine, CA
The Opportunity Tetra Tech is seeking a motivated Process Engineer – EIT to join our growing water treatment team, contributing to cutting-edge PFAS and large-scale water/wastewater infrastructure projects across the U.S. You'll work directly with nationally recognized process engineers and a highly collaborative team known for delivering innovative, technicall...
Process Project Engineer
Tetra Tech - Irvine, CA
The Opportunity Join Tetra Tech's Water Team in Irvine to shape, modernize, and safeguard municipal and regional water infrastructure across Orange County and beyond. As a Process Engineer – Project Engineer, you'll be part of our team that specializes in the engineering of public water systems including PFAS treatment systems and large-scale water treatment pl...
Process Engineer – Project Manager
Tetra Tech - Irvine, CA
The Opportunity Join Tetra Tech's Water Team in Irvine to shape, modernize, and safeguard municipal and regional water infrastructure across Orange County and beyond. As a Process Engineer – Project Manager, you'll lead a team that working to strengthen water treatment infrastructure that faces major long-term threats, brought on by climate change, emerging con...
Civil Engineer, EIT
Tetra Tech - Irvine, CA
The Opportunity We are seeking a motivated and detail-oriented Civil Engineer, EIT to join our Irvine office. The successful candidate will support a variety of federal, municipal, commercial, and private development projects. These include design of stormwater systems, grading, multiuse paths, complete/green streets, and active trans...
Energy Student Intern Hybrid
Tetra Tech - Los Angeles, CA
The Opportunity: Glumac, a Tetra Tech Company, is seeking Energy Student Interns to join our team in Summer 2026! We have developed a robust 9-week Intern Program (June through August), intended to develop student interns in the building engineering consulting profession and provide them with the tools necessary to fill a full-time position on our team after graduatio...
Land Survey Intern
Tetra Tech - Irvine, CA
The Opportunity Tetra Tech is seeking a Land Survey Intern to join our team in Irvine, CA. This is a great opportunity for students or recent graduates who are passionate about land surveying and want hands-on experience working alongside industry experts. Why Tetra Tech At Tetra Tech, we are Leading ...
