{"schemaVersion":"jobsearcher.job.v1","id":"766e6fae48650af797277b1e","url":"https://jobsearcher.com/jobs/766e6fae48650af797277b1e","canonicalUrl":"https://jobsearcher.com/jobs/766e6fae48650af797277b1e","title":"Process Engineer - Project Manager","description":"The Opportunity: Join Tetra Tech’s Water Team in Irvine, CA and play a key leadership role in strengthening California’s most vital water infrastructure. As a Process Engineer — Project Manager , you’ll lead multidisciplinary teams focused on advancing the design and delivery of innovative water treatment systems—tackling challenges driven by climate change, emerging contaminants, and evolving ecological needs. You’ll guide projects that protect public health and ensure sustainable, reliable water delivery for communities across Orange County and beyond.\nWhy 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.\nYour 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.\nPosition Summary: The Process Engineer — Project Manager will oversee planning, design, and delivery of advanced water and wastewater treatment projects. This position requires strong technical insight, client management experience, and proven ability to lead complex programs from concept through construction. You’ll collaborate with senior leadership to expand client relationships, mentor engineers, and shape the growth of Tetra Tech’s water treatment practice across Southern California.\nEssential 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.\nLead multidisciplinary teams in the design and implementation of PFAS treatment (GAC, IX, RO) and conventional water/wastewater process systems.\nManage large‑scale design‑build and design‑bid‑build projects for municipal water, wastewater, and reclaimed water facilities.\nOversee development of project scopes, budgets, schedules, and technical deliverables, ensuring alignment with client objectives.\nCollaborate directly with public agencies and utilities to guide decision‑making and facilitate project progress.\nPrepare and deliver engineering reports, design packages, technical memoranda, and construction documentation.\nProvide business development support, including proposal preparation, client presentations, and interview participation.\nBuild and maintain strong client relationships, identifying new opportunities for growth within the municipal market.\nMentor and train junior engineers, fostering technical development and professional advancement.\nSupport recruitment and team growth by identifying and developing emerging talent.\nEnsure all project work meets quality, safety, and compliance standards.\nRequired Qualifications: Bachelor’s degree in Civil, Environmental, or Mechanical Engineering.\nProfessional Engineer (PE) license required (California PE preferred, or ability to obtain within six months).\n10+ years of experience in water and/or wastewater treatment system design and project delivery.\nDemonstrated expertise in PFAS, advanced treatment technologies, or large‑scale municipal treatment facilities.\nProven project management skills, including cost control, scheduling, and team coordination.\nProficiency with Microsoft Office Suite, Microsoft Project, and Bluebeam.\nExcellent communication, leadership, and client relationship‑building skills.\nValid U.S. driver’s license and ability to travel (~10%).\nPreferred Qualifications: Master’s degree in Civil, Environmental, or Chemical Engineering.\nExperience managing projects under design‑build delivery methods.\nKnowledge of California regulatory frameworks and permitting requirements.\nExperience in proposal development and public sector client engagement.\nFamiliarity with process modeling software or advanced design tools.\nPhysical Requirements: Prolonged periods working at a computer and performing design‑related tasks in an office environment.\nOccasional walking, standing, bending, or lifting up to 25 pounds may be required.\nFieldwork may include exposure to outdoor environments and active construction sites.\nWork Environment / Environmental Factors: Work will primarily take place in an office environment with periodic field and client site visits.\nField conditions may involve variable weather, noise, and other environmental factors typical of treatment plant and construction settings.\nCA Salary: $126,000-$180,000 dependent on experience\nLife at Tetra Tech: The perks of working at Tetra Tech include:\nComprehensive and market‑competitive benefits.\nMerit‑based financial rewards.\nFlexibility and company‑wide commitment to work/life balance.\nCollaborative team atmosphere that values the contributions of all employees.\nLearning and development opportunities for ongoing professional growth\n++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.\nTetra 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.\nWe invite applications from all interested parties.\nExplore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:\nLinkedIn: @TetraTechCareers\nX (Twitter): @TetraTechJobs\nAdditional Information\nOrganization: 200 IEW\n\n#J-18808-Ljbffr","company":"Tetra Tech","rawCompany":"tetra tech","city":"California","state":"MO","isRemote":false,"isActive":false,"createdAt":"2026-09-02T04:04:39.268Z","occupations":[{"code":"11-9041.00","title":"Architectural and Engineering Managers","slug":"architectural-and-engineering-managers"},{"code":"13-1082.00","title":"Project Management Specialists","slug":"project-management-specialists"},{"code":"17-2051.02","title":"Water/Wastewater Engineers","slug":"water-wastewater-engineers"}],"industries":[{"code":"221310","title":"Water Supply and Irrigation Systems","slug":"water-supply-and-irrigation-systems"},{"code":"221320","title":"Sewage Treatment Facilities","slug":"sewage-treatment-facilities"},{"code":"237110","title":"Water and Sewer Line and Related Structures Construction","slug":"water-and-sewer-line-and-related-structures-construction"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Process Engineer - Project Manager","description":"The Opportunity: Join Tetra Tech’s Water Team in Irvine, CA and play a key leadership role in strengthening California’s most vital water infrastructure. As a Process Engineer — Project Manager , you’ll lead multidisciplinary teams focused on advancing the design and delivery of innovative water treatment systems—tackling challenges driven by climate change, emerging contaminants, and evolving ecological needs. You’ll guide projects that protect public health and ensure sustainable, reliable water delivery for communities across Orange County and beyond.\nWhy 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.\nYour 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.\nPosition Summary: The Process Engineer — Project Manager will oversee planning, design, and delivery of advanced water and wastewater treatment projects. This position requires strong technical insight, client management experience, and proven ability to lead complex programs from concept through construction. You’ll collaborate with senior leadership to expand client relationships, mentor engineers, and shape the growth of Tetra Tech’s water treatment practice across Southern California.\nEssential 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.\nLead multidisciplinary teams in the design and implementation of PFAS treatment (GAC, IX, RO) and conventional water/wastewater process systems.\nManage large‑scale design‑build and design‑bid‑build projects for municipal water, wastewater, and reclaimed water facilities.\nOversee development of project scopes, budgets, schedules, and technical deliverables, ensuring alignment with client objectives.\nCollaborate directly with public agencies and utilities to guide decision‑making and facilitate project progress.\nPrepare and deliver engineering reports, design packages, technical memoranda, and construction documentation.\nProvide business development support, including proposal preparation, client presentations, and interview participation.\nBuild and maintain strong client relationships, identifying new opportunities for growth within the municipal market.\nMentor and train junior engineers, fostering technical development and professional advancement.\nSupport recruitment and team growth by identifying and developing emerging talent.\nEnsure all project work meets quality, safety, and compliance standards.\nRequired Qualifications: Bachelor’s degree in Civil, Environmental, or Mechanical Engineering.\nProfessional Engineer (PE) license required (California PE preferred, or ability to obtain within six months).\n10+ years of experience in water and/or wastewater treatment system design and project delivery.\nDemonstrated expertise in PFAS, advanced treatment technologies, or large‑scale municipal treatment facilities.\nProven project management skills, including cost control, scheduling, and team coordination.\nProficiency with Microsoft Office Suite, Microsoft Project, and Bluebeam.\nExcellent communication, leadership, and client relationship‑building skills.\nValid U.S. driver’s license and ability to travel (~10%).\nPreferred Qualifications: Master’s degree in Civil, Environmental, or Chemical Engineering.\nExperience managing projects under design‑build delivery methods.\nKnowledge of California regulatory frameworks and permitting requirements.\nExperience in proposal development and public sector client engagement.\nFamiliarity with process modeling software or advanced design tools.\nPhysical Requirements: Prolonged periods working at a computer and performing design‑related tasks in an office environment.\nOccasional walking, standing, bending, or lifting up to 25 pounds may be required.\nFieldwork may include exposure to outdoor environments and active construction sites.\nWork Environment / Environmental Factors: Work will primarily take place in an office environment with periodic field and client site visits.\nField conditions may involve variable weather, noise, and other environmental factors typical of treatment plant and construction settings.\nCA Salary: $126,000-$180,000 dependent on experience\nLife at Tetra Tech: The perks of working at Tetra Tech include:\nComprehensive and market‑competitive benefits.\nMerit‑based financial rewards.\nFlexibility and company‑wide commitment to work/life balance.\nCollaborative team atmosphere that values the contributions of all employees.\nLearning and development opportunities for ongoing professional growth\n++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.\nTetra 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.\nWe invite applications from all interested parties.\nExplore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:\nLinkedIn: @TetraTechCareers\nX (Twitter): @TetraTechJobs\nAdditional Information\nOrganization: 200 IEW\n\n#J-18808-Ljbffr","datePosted":"2026-09-02T04:04:39.268Z","dateModified":"2026-09-02T04:04:39.268Z","hiringOrganization":{"@type":"Organization","name":"Tetra Tech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"California","addressRegion":"MO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"766e6fae48650af797277b1e"},"url":"https://jobsearcher.com/jobs/766e6fae48650af797277b1e"}}