Senior Project Manager - Water/Wastewater

Tetra Tech is adding a Senior Project Manager to our Atlanta, Georgia team. This role provides the opportunity to lead complex water/wastewater infrastructure projects while collaborating with multidisciplinary teams to deliver high-quality solutions for public and private sector clients.

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 Senior Project Manager provides technical leadership, project management, and staff mentorship for water, wastewater, and stormwater infrastructure projects. This position supports planning, design, and construction phases while ensuring technical excellence, financial performance, and client satisfaction.

Essential Job Functions

• Lead and manage infrastructure projects from conceptual planning through final design, specifications, and cost estimates.
• Provide technical oversight for the planning and design of pipelines, pump stations, and storage facilities.
• Manage multiple projects concurrently, including scope, schedule, budget, and resource allocation.
• Maintain and expand existing client relationships and support business development activities.
• Ensure technical accuracy, adherence to engineering standards, and proper documentation.
• Evaluate design alternatives, resolve technical issues, and coordinate with multidisciplinary teams.
• Provide construction support, including interpretation of plans and specifications and coordination of design modifications.
• Make independent assessments of engineering problems and recommend solutions.
• Achieve project financial targets related to profitability and utilization.
• Mentor and provide leadership to junior engineers and project staff.

Required Qualifications

• Bachelor’s degree in Civil Engineering or Environmental Engineering or other related degree.
• Licensed Professional Engineer (PE) in Civil or Environmental Engineering in Georgia or able to obtain within reciprocity within six (6) months.
• Minimum of 10 years of related experience.
• Experience in technical project execution and developing, writing, and pricing scopes of work for proposals.
• Valid driver’s license with an acceptable driving record.

Preferred Qualifications

• Experience managing water, wastewater, or stormwater projects for public sector clients.
• Process engineering experience will be considered a plus.
• Prior experience leading multidisciplinary engineering teams.
• Familiarity with Georgia regulatory requirements and local agency standards.

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.

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