Jobs at Tetra Tech in CA

72 job openings within 25 miles

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Remediation Technician - Sacramento, CA

Tetra Tech - Rancho Cordova, CA

The Opportunity: Tetra Tech's Sacramento, CA office is currently seeking a Remediation Technician. This field-based role involves tasks such as field work planning and preparation, soil, water, and groundwater sampling, soil vapor sampling, remedial system operation and maintenance, data compilation and analysis, and subcontractor oversight. The successful candidate will...

Solid Waste Planner

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...

Commissioning Agent – Data Center/Mission Critical (Hybrid)

Tetra Tech - San Francisco, CA

The Opportunity: Glumac, a Tetra Tech company, is seeking a Commissioning Agent to join our world-class Data Center Commissioning Team. This is a unique opportunity to be part of a global leader in the construction space and get hands on experience with Data Center projects in addition to exposure across all project types.

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...

Stormwater Practice Lead

Tetra Tech - Irvine, CA

The Opportunity: Tetra Tech IEW is growing its Stormwater Practice and is seeking a Regional Stormwater Practice Lead to spearhead program delivery and strategic growth in Southern California. This is a high-impact leadership role for a seasoned professional who thrives at the intersection of technical excellence, team leadership, and community-driven infrastru...

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 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 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 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...

Soils Technician

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...

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...

Structural Engineer, EIT

Tetra Tech - San Dimas, CA

The Opportunity: Tetra Tech is adding a Structural Engineer, EIT, to our San Dimas team. The successful candidate for this job will work with the project team to accomplish successful completion of projects including building structures for government, public, and private clients. An independent, self-directed and motivated candidate with an EIT will have the opportun...

Junior-level Multimedia Environmental Specialist

Tetra Tech - Edwards AFB, CA

The Opportunity: Tetra Tech is adding a Multimedia Environmental Specialist to our Environmental Compliance team based at Edwards AFB. 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...