Senior Project Manager – Water​/Wastewater

Senior Project Manager – Water/Wastewater

Join to apply for the Senior Project Manager – Water/Wastewater role at Tetra Tech.

Tetra Tech is adding a Senior Project Manager to our Water team based in Austin, Texas. This role provides the opportunity to lead complex water infrastructure projects while collaborating with multidisciplinary teams to deliver high‑quality solutions for public and private sector clients.

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.

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.

The Water 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.

• Lead and manage infrastructure projects from conceptual planning through final design, specifications, and cost estimates.
• Provide technical oversight for planning and design of pipelines, treatment facilities, 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.

• Bachelor’s degree in Civil Engineering or Environmental Engineering.
• Licensed Professional Engineer (PE) in Civil or Environmental Engineering in Texas, or ability to obtain licensure within six 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.

• Experience managing water, wastewater, or stormwater projects for public sector clients.
• Prior experience leading multidisciplinary engineering teams.
• Familiarity with Texas regulatory requirements and local agency standards.

• Ability to perform work in both office and field environments.
• Ability to sit, stand, and walk for extended periods.
• Occasional lifting of materials or equipment up to 25 pounds.

• Combination of office and field settings, including active construction sites.
• Occasional exposure to outdoor weather conditions and moderate noise levels.
• Use of personal protective equipment (PPE) as required.

• Employment Type:
  
  Full‑Time
• Work Location:
  
  Austin, Texas.
• Travel Requirement:
  Approximately 15% or more.

• 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.

• Seniority Level: Mid‑Senior level
• Employment Type:
  
  Full‑time
• Job Function:
  Project Management and Information Technology
• Industries:
  Civil Engineering
• Organization: 200 IEW

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high‑end consulting and engineering services for projects worldwide. 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. Explore our open positions at