Description
The Opportunity
Tetra Tech is seeking a motivated Process Engineer – EIT to join our Water Treatment Team, contributing to innovative projects tackling PFAS and other emerging contaminants across the U.S. You'll work directly with nationally recognized engineers on large-scale water and wastewater infrastructure initiatives that protect and sustain critical water supplies. This is an ideal opportunity for an early-career professional eager to deepen technical expertise, gain hands-on design experience, and grow within a collaborative and high-performing team.
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:
The Process Engineer – EIT will assist in the design and analysis of water and wastewater treatment systems, distribution and collection networks, and associated infrastructure. Working under the direction of senior engineers and project managers, this role supports technical design, modeling, and construction documentation for municipal clients nationwide.
Essential Job Functions:
The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.
Support the planning, design, and construction of water and wastewater treatment facilities, including PFAS, filtration, and disinfection systems.
Prepare engineering drawings, specifications, cost estimates, and reports in collaboration with multidisciplinary teams.
Perform design calculations, process modeling, and equipment sizing for water and wastewater processes such as GAC, ion exchange (IX), and reverse osmosis (RO).
Assist with hydraulic modeling and analysis for pipelines, pumping systems, and distribution networks.
Participate in site visits, field investigations, and pilot testing to support design validation and project delivery.
Work with project managers and senior engineers to meet project goals, schedules, and technical standards.
Support the preparation of permit packages and documentation for regulatory submittals.
Collaborate closely with civil, mechanical, electrical, and structural engineers across Tetra Tech offices.
Contribute to the development of innovative, practical solutions for complex water challenges.
Demonstrate continuous learning and a commitment to professional development.
Required Qualifications:
Bachelor's degree in Civil, Environmental, or Chemical Engineering.
3–6 years of experience in water and/or wastewater engineering (internship or co-op experience acceptable).
Strong interest in treatment process design, hydraulics, and infrastructure development.
Excellent written and verbal communication skills, with attention to technical accuracy and clarity.
Proficiency in Microsoft Office applications (Word, Excel, PowerPoint).
Enthusiasm for learning, teamwork, and building a long-term career in water infrastructure.
Preferred Qualifications:
Engineer-in-Training (EIT) certification (or in progress).
Familiarity with AutoCAD, Civil 3D, and process modeling software such as BioWin or GPS-X.
Exposure to PFAS, GAC, IX, or RO treatment systems.
Experience preparing design documents or supporting field work for municipal infrastructure projects.
Understanding of water quality, permitting, or regulatory requirements.
Physical Requirements:
Prolonged periods working at a desk and using a computer. Occasional walking, standing, climbing, or lifting up to 25 pounds may be required. Fieldwork may include exposure to outdoor environments, uneven terrain, or construction activity.
Work Environment / Environmental Factors:
Work will primarily be performed in an office setting with occasional field assignments. Field activities may involve exposure to variable weather conditions, construction sites, and moderate noise levels.
CA Salary: $77,000- $95,000 dependent on experience
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
X (Twitter): @TetraTechJobs
Additional Information- Organization: 200 IEW
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