Water/Wastewater Engineer

United States·FairfaxRemoteFull Timemid

OtherEngineer

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Overview

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OtherEngineer

ERG is a research and consulting firm that provides a wide range of support to federal, state, and commercial clients. ERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. We hire people with the best minds and then provide them with a vibrant and flexible environment in which to develop their careers. The qualified individual must be highly motivated with the skills to prioritize, perform, and communicate effectively in a fast-paced environment.

ERG is seeking an experienced, highly motivated Water/Wastewater Engineer to lead and support a range of water infrastructure projects. In this role, you will work directly with communities across the country to assess infrastructure needs, develop solutions, and secure funding for critical projects. Your efforts will help communities address essential challenges in providing safe, clean drinking water and safeguarding water quality.

Independently assess community water and wastewater infrastructure needs and identify practical, cost-effective solutions

Develop clear, well-organized planning documents and technical reports, including Preliminary Engineering Reports (PERs)

Prepare preliminary and detailed project designs that municipalities can use to secure infrastructure funding

Lead meetings with community stakeholders to gather information, present recommendations, and foster project support and engagement

Depending on your experience and expertise, contribute to additional project areas, such as evaluating and promoting innovative water and wastewater treatment technologies, analyzing the design, cost, and environmental impacts of infrastructure projects, or supporting other related technical initiatives

Bachelor’s degree in Civil or Environmental Engineering

Professional Engineer (PE) license in at least one U.S. state, or the ability and commitment to obtain a PE license within 12 months of hire

5+ years of relevant experience in municipal water or wastewater system planning and design, with exposure to a variety of treatment systems; experience with funding, financing, and governance frameworks for Capital Improvement Programs is a plus

Willingness and ability to travel as needed to support community projects

Strong written and verbal communication skills, with the ability to clearly convey technical information to diverse stakeholders

Location & Eligibility

Where is the job

Fairfax, United States

Remote within one country

Who can apply

Listed under

United States

Listing Details

Posted: December 11, 2025
First seen: March 26, 2026
Last seen: May 12, 2026

Posting Health

Days active: 47
Repost count: 0
Trust Level: 51%
Scored at: May 12, 2026

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Eastern Research Group, Inc. (ERG) supports clients in protecting the environment and improving public health through a wide range of consulting services.

Employees

5k+

Founded

1994

Domain

erg.com

Jobs

View 54 jobs

View company profile

Salary

USD 90000–150000

per year