Project Engineer- Water​/Wastewater

The Opportunity

Tetra Tech is seeking a Project Engineer - Water/Wastewater to join our Atlanta, GA team. This position will provide hands‑on technical design and analysis for water infrastructure projects including water and wastewater treatment facilities, distribution and collection systems, pump stations, and pipelines. The ideal candidate will be a motivated engineer ready to grow in both technical depth and project responsibility within a collaborative and supportive environment.

At Tetra Tech, we lead 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. Discover your full potential – join us to advance your career while leaving a lasting legacy.

The Project Engineer - Water/Wastewater supports the planning, design, and execution of water infrastructure projects for municipal clients. The role requires strong technical proficiency, collaboration across disciplines, and a commitment to delivering high‑quality, practical engineering solutions.

• Develop engineering designs focused on water and wastewater infrastructure projects.
• Conduct site visits and field assessments, documenting findings through detailed reports.
• Prepare design calculations, plans, specifications, and technical reports.
• Evaluate design alternatives and provide innovative, cost‑effective recommendations.
• Support multidisciplinary coordination with clients, contractors, and regulatory agencies.
• Assist with project delivery from planning and permitting through final design and bidding.
• Generate and review construction documentation including cost estimates and bid evaluations.
• Provide construction‑phase support such as responding to RFIs, reviewing submittals, and evaluating change orders.
• Ensure technical accuracy, compliance with codes, and adherence to Tetra Tech standards.
• Contribute to project planning, scheduling, and documentation to support overall delivery goals.

• Bachelor’s degree in Civil, Environmental, or a related engineering discipline.
• 1-8 years of experience in water/wastewater design or municipal infrastructure engineering.
• Engineer-in-Training (EIT) certification or Professional Engineer (PE) licensure in Georgia, or ability to obtain within six months.
• Familiarity with industry codes, design standards, and permitting processes.
• Strong technical writing, organization, and interpersonal communication skills.
• Proficiency in Microsoft Office (Word, Excel, Project).
• Valid U.S. driver’s license with an acceptable driving record.

• Experience with AutoCAD Civil 3D
  , Revit
  , or hydraulic modeling software such as WaterGEMS
  , SewerGEMS
  , or Info Water
  .
• Experience in municipal or utility infrastructure design and permitting.
• Prior exposure to water and wastewater treatment plant design.
• Understanding of construction administration processes.
• Desire to take on increasing responsibility and grow into a project management role.

• Prolonged periods working on a computer in an office setting.
• Occasional walking, standing, bending, or lifting up to 25 pounds may be required.
• Fieldwork may include exposure to outdoor environments, uneven terrain, or construction sites.

• Work will primarily be performed in an office environment with occasional field assignments.
• Field work may involve exposure to weather, construction activities, and moderate noise levels.

• Comprehensive and market‑competitive benefits.
• Merit‑based financial rewards.
• Flexibility and company‑wide…