Senior Civil Engineer / Project Manager

About the role

The Opportunity Tetra Tech is seeking a technically driven Senior Civil Engineer / Project Manager to join our infrastructure group. This role is ideal for an experienced engineer who is passionate about civil and water/wastewater infrastructure design and is interested in progressing in technical and project management leadership. You’ll play a key role on multidisciplinary teams delivering complex municipal and utility projects throughout New England/East Coast and across the U.S. The infrastructure team supports clients with innovative, practical solutions for water and wastewater treatment, conveyance systems, stormwater management, and site infrastructure. This is a great opportunity to deepen your technical expertise while gaining exposure to project delivery, coordination, and client-facing work.

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.

Responsibilities

• Work with multidisciplinary teams in the design and implementation of PFAS treatment (GAC, IX, RO) and conventional water/wastewater process systems.
• Participate in large-scale design-build and design-bid-build projects for municipal water, wastewater, and reclaimed water facilities.
• Work on project scopes, budgets, schedules, and technical deliverables, ensuring alignment with client objectives.
• Collaborate directly with public agencies and utilities to guide decision-making and facilitate project progress.
• Prepare and deliver engineering reports, design packages, technical memoranda, and construction documentation.
• Provide business development support, including proposal preparation, client presentations, and interview participation.
• Build and maintain strong client relationships, identifying new opportunities for growth within the municipal market.
• Mentor and train junior engineers, fostering technical development and professional advancement.
• Support recruitment and team growth by identifying and developing emerging talent.
• Ensure all project work meets quality, safety, and compliance standards.

Qualifications

• Bachelor’s Degree in Civil Engineering or a closely related field.
• Licensed Professional Engineer (PE) and 8+ years of progressive municipal infrastructure project experience.
• Proven experience managing water, wastewater, and/or drainage projects with municipal, state, and water district clients.
• Prepare construction documents, including drawings, technical specifications, reports, and cost estimates.
• Work as a task lead on water