Water/Wastewater Engineer
Eastern Research Group
United States, Virginia, Fairfax Mar 02, 2026 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. Job Description 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 Qualifications and Skills 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 Benefits ERG offers competitive salaries and excellent benefits, including health and dental insurance, life insurance, long-term disability, educational benefits, FSAs, a generous 401k plan, profit sharing, an EAP, 11-20 paid vacation days per year, 10 paid holidays per year, and 56 hours or more of sick leave (based on the state you work in) per year (pro-rated for part‑time) and more. ERG is an equal opportunity employer and complies with all applicable EEOC regulations. All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual preference, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability or a disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access ERG’s online application process as a result of your disability. To request accommodation, please contact Human Resources via email at View email address on click.appcast.io or call View phone number on click.appcast.io. ERG fosters a friendly, flexible work environment. ERGers are dedicated to serving clients who are committed to making the world a better place. We promote and recognize principles of fairness and respect in the work we do, the partnerships we foster, and the culture we value both within and outside of our organization. #J-18808-Ljbffr
$75k - $105k
...transform the world for good. Your impact Municipalities and water‑wastewater utilities in the Silver Spring, MD area have embarked on the... ...projects Bachelor’s degree in Civil or Environmental Engineering or related field Engineer in Training (EIT) registration Strong...WaterFull timeLocal areaRemote work- ...Short Description Bowman has an opportunity for a Water/Wastewater Engineer III to join our team in Williamsburg, VA. Purpose Carry out complex or novel water/wastewater analysis, design, and permitting projects for public and private clients while meeting project schedules...WaterContract workFor subcontractorWork at officeLocal areaNight shift
- An engineering firm specializing in water solutions is seeking a self-motivated engineer in Virginia. This role involves assisting with wastewater and water treatment projects, providing construction management support, and engaging in business development. Candidates should...Water
- ...Job Description Dewberry Engineers is seeking an Entry Level Water / Wastewater Engineer to join either our Fairfax, VA or Richmond, VA office to work on all phases of civil/environmental engineering including planning, design, and construction management of water and...WaterInternshipWork at officeLocal area
- ...Join to apply for the Senior Water/Wastewater Engineer role at Whitman, Requardt and Associates, LLP 2 weeks ago Be among the first 25 applicants At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for 110 years...WaterFull timeContract workTemporary workH1bFlexible hours
- ...understand today’s needs and develop plans to improve the movement of people and goods! We are currently seeking an entry-level Water/Wastewater Engineer in our Fairfax, VA office. Responsibilities will include water and sewer modeling, water and wastewater facility...WaterFull timeTemporary workInternshipH1bWork at officeFlexible hours
- ...team—help us to design the infrastructure and buildings that improve the world! We are currently seeking an experienced Water/Wastewater Engineer to join our team in our Fairfax, VA office. Responsibilities will include water and sewer pipeline design, modeling and rehabilitation...WaterFull timeTemporary workH1bWork at officeRelocationFlexible hours
- A well-established engineering firm located in Fairfax, VA is seeking an experienced Water/Wastewater Engineer. In this role, you will be responsible for the design of water and sewer pipelines, evaluate and design water and wastewater facilities, and provide construction...Water
- Whitman, Requardt and Associates, LLP is looking for an entry-level Water/Wastewater Engineer to join their Fairfax, VA office. In this role, you will be responsible for water and sewer modeling, evaluating and designing water and wastewater facilities. The ideal candidate...WaterFull timeWork at office
- ...seeks a qualified individual to independently assess community water and wastewater infrastructure needs. You will be responsible for... ...should have a Bachelor's degree in Civil or Environmental Engineering, 5+ years of relevant experience, and strong communication...Water
- CDM Smith is looking for an experienced Environmental Engineer in Fairfax, Virginia, to join their team. You will be responsible for designing and implementing systems for water and wastewater treatment, ensuring compliance with regulations and improving water quality....WaterLocal area
- Dewberry is looking for a Water/Wastewater Staff Engineer in Fairfax, VA. This role involves supporting municipal and industrial design projects, working on treatment plant evaluations, and collaborating on detailed design documents. Ideal candidates should have a B.S....Water
- Dewberry is seeking a Project Engineer for our Fairfax, VA office, specializing in water and wastewater engineering. The ideal candidate will have 4-8 years of relevant experience and a Bachelor's degree in civil engineering. Responsibilities include collaborating in design...WaterWork at office
- Hensel Phelps in McLean, VA is seeking a Project Engineer to oversee on-site project administration, manage office engineers and jobsite admins, and support water and wastewater construction projects while coordinating documents, budgets, and schedules. This full-time...WaterFull timeFor subcontractorWork at office
- A respected engineering firm based in Fairfax, VA is seeking an experienced Water/Wastewater Engineer. The role involves designing water and sewer pipelines, evaluating and designing facilities, and managing utility relocations. The ideal candidate should have a Bachelor...WaterRelocationFlexible hours
- Job Description Dewberry has an excellent career opportunity available for a Water/Wastewater St aff Engineer in our Fairfax, VA office to join our growing Mid-Atlantic Water Group with a focus on municipal or industrial treatment design. The Project Engineer will be responsible...WaterWork at officeLocal area
- A leading engineering firm is seeking a Principal Engineer for its Fairfax, VA office. The ideal candidate will oversee public-sector water and wastewater facility design projects. Responsibilities include delivering project plans, mentoring junior engineers, and ensuring...WaterWork at office
- A leading engineering company in Virginia is seeking an experienced Water/Wastewater Engineer to manage and oversee water and wastewater projects. Candidates should possess a Bachelor’s degree in Civil or Environmental Engineering, Virginia P.E. registration, and 5-10...Water
- ...seeks a motivated individual to independently assess community water and wastewater infrastructure needs and develop effective solutions. The... ...will have a bachelor’s degree in Civil or Environmental Engineering with a PE license, along with 5+ years of relevant experience...Water
- ...Job Description Job Description A. Morton Thomas and Associates, Inc. (AMT) is hiring a Civil Engineer – Water/Wastewater Engineering to collaborate in the planning, design, and implementation of infrastructure solutions for water, wastewater, and reclaimed water...WaterPermanent employmentTemporary workCasual workVisa sponsorship
$43 - $61 per hour
Apply for the Project Water/Wastewater Engineer (PTAN) role at Arcadis . Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated...WaterHourly payPart time- ...team - help us to understand today’s needs and develop plans to improve the movement of people and goods! The Water/Wastewater Process Mechanical Engineer will be responsible for the evaluation, planning, design, and construction administration of municipal water and...WaterFull timeTemporary workFor contractorsH1bWork at officeFlexible hours
$115k - $140k
Municipal Wastewater Process Design Engineer Full-time Municipal Wastewater Process Design Engineer Ramboll is seeking motivated and inquisitive candidates to join the Water Division in our Syracuse, NY, Rochester, NY, Arlington, VA or Richmond, VA locations. Responsibilities...WaterFull timeFor contractorsFor subcontractorLocal area$43 - $61 per hour
A global engineering consultancy is looking for a Project Water/Wastewater Engineer for a part-time role based in Arlington, Virginia. The ideal candidate should have over 8 years of relevant experience, a Bachelor's degree in a related field, and a PE License. Responsibilities...WaterHourly payPart time- A consulting firm in Arlington, Virginia is seeking an experienced Water/Wastewater Engineer to lead water infrastructure projects. You will assess community needs, develop solutions, and prepare funding proposals. Candidates should have a Bachelor's degree in Civil or...Water
$100k - $170k
Arcadis is seeking a Senior Structural Engineer to join their Resilience Water Team in Virginia. This role involves leading the structural design projects for water/wastewater infrastructure and mentoring junior engineers. Candidates should have at least 10 years of experience...Water- ...CDM Smith is seeking an entry-level Environmental, Water Resources, or Civil Engineer in Fairfax, Virginia. This position offers recent graduates the opportunity to support the design and implementation of sustainable water projects, ensuring a thorough project lifecycle...Water
- ...Dormont Manufacturing Co is seeking a junior environmental engineer for project support across water resources projects. The role involves assisting with research, data analysis, and preparing reports. We're looking for candidates with a Bachelor’s degree in civil or environmental...Water
$70k - $85k
...technical and project support across ERG’s water projects Assist with research, data... ...related to water resources, water quality, wastewater management, and water and wastewater... ...multidisciplinary teams of scientists, engineers, and project managers to support client...WaterHourly payPart timeInternship- ...We are seeking a senior-level Water Resources Engineer in Northern Virginia to serve as a lead technical modeler on complex water resources projects. This role focuses on advanced H&H modeling, floodplain and dam analysis, permitting, and mentoring junior staff. It's...Water
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