National Technical Lead for Wastewater Collection System Hydraulic Modeling

The Opportunity:Tetra Tech is seeking an experienced wastewater collection systems modeler to support and lead hydraulic modeling and planning efforts for municipal infrastructure projects nationwide. In this role, you’ll apply advanced modeling expertise, collaborate with national technical leaders, mentor junior staff, and contribute to innovative solutions addressing wet weather, conveyance, and system capacity challenges.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.Your Role:Lead wastewater collection system hydraulic modeling and planning projects for municipal clients across the United States.Serve as a technical lead for wet weather hydraulic modeling efforts involving sanitary sewer and combined sewer systems, including capacity assessments, system evaluations, and master planning studies.Mentor and provide technical guidance to junior engineering staff and support collaboration across multidisciplinary project teams.Coordinate with project managers, technical experts, and clients to support successful project execution, technical delivery, and client communication.Prepare, develop, and review hydraulic models, technical calculations, analyses, and reports in accordance with Tetra Tech and client standards.Communicate technical findings and recommendations effectively to both technical and non-technical audiences.Support hydraulic modeling, planning, and design efforts related to wastewater, drinking water, stormwater, open channel, and conveyance infrastructure projects.Utilize hydraulic modeling software such as InfoWorks ICM, PCSWMM, SewerGEMS, AquaTwin Sewer, MIKE+, or similar platforms to support technical analyses and planning efforts.Assist with proposal development activities including scopes of work, schedules, level-of-effort estimates, and participation in client interviews.Support staffing coordination, recruiting efforts, and technical growth initiatives within the hydraulic modeling practice.Contribute to innovation initiatives, technical working groups, internal knowledge sharing, and industry engagement opportunities including conference presentations and abstract submissions.Qualifications:Bachelor’s degree in Civil, Environmental, or related Engineering field.Professional Engineer (PE) license preferred or ability to obtain through reciprocity.Minimum of 8 years of experience in wastewater collection system hydraulic modeling and planning.Strong experience with wet weather modeling and analysis for sanitary sewer and combined sewer systems.Proficiency with hydraulic modeling software such as InfoWorks ICM, PCSWMM, SewerGEMS, AquaTwin Sewer, MIKE+, or similar modeling platforms.Experience preparing technical reports, hydraulic analyses, and engineering documentation for municipal infrastructure projects.Ability to communicate complex technical concepts effectively to clients, project teams, and non-technical stakeholders.Experience supporting multidisciplinary infrastructure projects involving wastewater, stormwater, drinking water, or conveyance systems.Experience coordinating with clients, project managers, and technical teams in a consulting environment.Demonstrated ability to manage multiple priorities and support project delivery schedules.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 25,000 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 Follow us on social media to learn more about our people, culture, and opportunities:LinkedIn: @TetraTechCareersAdditional InformationOrganization: 200 IEW