Civil​/Environmental Engineer EIT

The Opportunity

Tetra Tech is adding a Civil Engineer, EIT to work in our Lexington office. The successful candidate will provide engineering support to our water/wastewater group. Typical projects include a wide variety of municipal water and wastewater projects involving collection and conveyance systems, pump stations, storage and treatment facilities, and rehabilitation. This position is part of a team specializing in the engineering of public water systems to upgrade aging infrastructure, deliver sustainable solutions, and implement innovative approaches to preserve safe and reliable water delivery.

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 Civil Engineer, EIT provides engineering and technical support for municipal water and wastewater infrastructure projects. This role contributes to the planning, design, permitting, and construction support of public utility systems while supporting senior engineers and project managers in delivering high‑quality, compliant, and sustainable solutions.

The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.

• Perform conceptual and detailed design, including hydraulic calculations and engineering analyses.
• Assist in preparing engineering reports, construction drawings, technical specifications, cost estimates, and supporting documentation.
• Conduct research related to engineering policies, codes, and industry practices.
• Develop charts, figures, maps, tables, and matrices to support technical documentation and project deliverables.
• Support cost‑benefit analyses and evaluation of design alternatives.
• Perform fieldwork and construction observation activities.
• Contribute to project documentation, including technical memoranda and reports.
• Assist with quality control and quality assurance reviews.
• Prepare permit applications and supporting materials.

• Bachelor’s degree in Civil Engineering, Environmental Engineering, or a related field.
• 0–2 years of relevant civil engineering experience.
• Engineer‑in‑Training (EIT) certification.
• Demonstrated analytical, written, and verbal communication skills through educational or professional experience.
• Experience with AutoCAD; proficiency in Microsoft Word and Excel.

• Related site/civil or municipal water/wastewater experience.
• Familiarity with the design‑bid‑build process, including engineering analysis, permitting, development of construction documents (plans and specifications), cost estimating, and construction administration and observation.
• Experience with AutoCAD Civil 3D.
• Ability to independently lead discrete engineering design tasks with appropriate oversight and collaborate effectively within a team environment.

• Ability to perform fieldwork in varying weather conditions and on uneven terrain.
• Ability to walk, stand, and perform light to moderate physical activity, including occasional lifting up to 25–50 pounds.
• Ability to operate standard office equipment and engineering software for extended periods.

• Combination of office and outdoor project site settings.
• Exposure to variable weather conditions during site visits.
• Moderate noise levels in office and field environments.
• Use of appropriate…