Refine Your Search
Senior Wetland Scientist – California Natural Resources (Hybrid/Field-Based)
Tetra Tech - Irvine, CA
The Opportunity: Tetra Tech is adding a highly motivated and experienced Senior Wetland Scientist to join our California Natural Resources team. In addition to a focus on wetland biology, the ideal candidate will have a strong background in environmental permitting, compliance, and natural resource surveys. This position wi...
Project Manager – Landfill Gas OM&M/Compliance (On-Site)
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. Whereve...
Payroll Manager (Hybrid)
Tetra Tech - Pasadena, 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. Whereve...
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...
Senior Structural Engineer - (Remote)
Tetra Tech - Pasadena, 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. Whereve...
Senior Transmission Line Engineer (Remote)- US (Remote/Hybrid)
Tetra Tech - Pasadena, 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. Whereve...
Civil Engineer, PE
Tetra Tech - Irvine, CA
The Opportunity We are seeking a motivated and experienced Civil Engineer, PE to join our Irvine office. The successful candidate will contribute to a wide range of federal, municipal, commercial, and private development projects—including the design of stormwater systems, grading, multiuse paths, complete/green streets, and active transportation infrastruct...
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...
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, stat...
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...
Field Data Collector (Los Angeles County)
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. Whereve...
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...