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Water Engineer Jobs in Washington, DC (NOW HIRING)

GFT.

Water Treatment Process Engineer

Fairfax, VA · On-site

$80K - $180K/yr

Joining the water engineering team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in, advanced water and wastewater treatment ...

GFT.

Water Treatment Process Engineer

Fairfax, VA

$80K - $180K/yr

Joining the water engineering team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in, advanced water and wastewater treatment ...

GFT.

Water Treatment Process Engineer

Fairfax, VA

$80K - $180K/yr

Joining the water engineering team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in, advanced water and wastewater treatment ...

Dar Group

Wastewater Design Engineer

Alexandria, VA · On-site

$95K - $142K/yr

The Water Engineer in Alexandria will lead the delivery of water and wastewater engineering services to a variety of clients in the DMV region. Near term assignments in the region could include ...

Dar Group

Wastewater Design Engineer

Washington, DC · Hybrid

$95K - $142K/yr

The Water Engineer in Alexandria will lead the delivery of water and wastewater engineering services to a variety of clients in the DMV region. Near term assignments in the region could include ...

Dar Group

Wastewater Design Engineer

Alexandria, VA · Hybrid

$95K - $142K/yr

The Water Engineer in Alexandria will lead the delivery of water and wastewater engineering services to a variety of clients in the DMV region. Near term assignments in the region could include ...

GFT.

Water Treatment Facility Design Engineer

Fairfax, VA · On-site

$90K - $200K/yr

GFT is seeking a Water Treatment Design Engineer to join our Water team!This role follows a hybrid work model, requiring regular attendance at one of our many offices. Joining the water resources ...

GFT.

Water Treatment Facility Design Engineer

Fairfax, VA · On-site

$90K - $200K/yr

GFT is seeking a Water Treatment Design Engineer to join our Water team! This role follows a hybrid work model, requiring regular attendance at one of our many offices. Joining the water resources ...

Americas Region

DMV Water Leader

Washington, DC · On-site

Mentor emerging technical and water engineering professionals, contributing to succession planning and long-term capability development. * Create a collaborative and supportive work environment that ...

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All JobsWater Engineer JobsWater Engineer Jobs in Washington, DC

Water Engineer information

See Washington, DC salary details

$12.4K

$69.3K

$90.3K

How much do water engineer jobs pay per year?

As of Aug 26, 2026, the average yearly pay for water engineer in Washington, DC is $69,295.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,100.00 and $84,100.00 per year, depending on experience, location, and employer.

What is a water engineer?

A water engineer works on projects to ensure water supplies stay clean, properly dispose of wastewater and sewage, and prevent flood damage. Job duties include designing and building structures for water resource control, overseeing project construction, monitoring technical systems, and analyzing technical data. They work on structures such as pumping stations, reservoirs, and sea defense walls. To effectively perform this job, you must stay current with environmental management legislation and government regulations related to water resources.

What does a water engineer do?

A Water Engineer is responsible for designing, developing, and managing systems and structures that control water resources, such as water treatment plants, drainage systems, and flood defense mechanisms. They work to ensure the safe and efficient supply, distribution, and management of water for communities, agriculture, and industry. Their work often involves environmental protection, sustainable resource management, and compliance with regulations. Water Engineers collaborate with government agencies, contractors, and the public to solve water-related challenges and improve water infrastructure.

What are the key skills and qualifications needed to thrive as a water engineer, and why are they important?

To thrive as a Water Engineer, you generally need a degree in civil, environmental, or water resources engineering, along with strong analytical and problem-solving skills. Familiarity with hydraulic modeling software, GIS systems, and relevant certifications like Professional Engineer (PE) licensure is typically required. Effective communication, project management, and teamwork abilities help you collaborate with stakeholders and manage complex projects. These skills ensure safe, sustainable water systems and successful project delivery in compliance with regulatory standards.

How do water engineers typically collaborate with other professionals on large-scale projects?

Water Engineers often work closely with multidisciplinary teams that include civil engineers, environmental scientists, urban planners, and construction managers. Effective collaboration is essential for designing and implementing water supply systems, wastewater treatment plants, and flood control solutions. Regular meetings, clear communication, and shared project management tools help ensure all team members are aligned on objectives, timelines, and regulatory requirements. This collaborative structure provides valuable learning opportunities and helps Water Engineers broaden their expertise across related fields.

What is the difference between Water Engineer vs Civil Engineer?

AspectWater EngineerCivil Engineer
Required CredentialsBachelor's in Environmental, Civil, or Water Resources Engineering; Professional Engineer (PE) license often preferredBachelor's in Civil Engineering; PE license often required
Work EnvironmentDesigning water systems, managing water resources, working on water treatment and distribution projectsDesigning infrastructure like roads, bridges, buildings, including water-related structures
Industry UsagePrimarily in water management, environmental agencies, water treatment plantsConstruction, infrastructure, urban development sectors
Common Search/ComparisonWater Engineer vs Civil Engineer

Water Engineers focus on water-specific systems, resources, and treatment processes, often working within environmental and water management sectors. Civil Engineers have a broader scope, designing various infrastructure projects, including water-related structures. Both roles require similar credentials but differ in specialization and work environment.

Are water engineers in demand?

Water engineers are in high demand due to increasing infrastructure needs, environmental concerns, and water resource management challenges. The profession often requires knowledge of environmental regulations, CAD software, and sustainable practices, making it a stable career choice with growth prospects.

How much do water engineers make?

Water engineers in New York City typically earn between $70,000 and $120,000 annually, depending on experience, education, and certifications. Senior roles or specialized skills in water treatment, hydraulics, or environmental compliance can lead to higher salaries. The job often requires knowledge of industry standards, engineering software, and regulatory requirements.
More about Water Engineer jobs

What are the most commonly searched types of Water Engineer jobs in Washington, DC?

The most popular types of Water Engineer jobs in Washington, DC are:

What are popular job titles related to Water Engineer jobs in Washington, DC?

For Water Engineer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Water Engineer jobs in Washington, DC look for?

The top searched job categories for Water Engineer jobs in Washington, DC are:

Water Engineer jobs near you
Infographic showing various Water Engineer job openings in Washington, DC as of August 2026, with employment types broken down into 100% Full Time. Highlights an 81% In-person, 6% Hybrid, and 13% Remote job distribution, with an average salary of $69,295 per year, or $33.3 per hour.

Water Treatment Process Engineer

Fairfax, VA • On-site

GFT.
See more jobs at GFT.external

$80K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago

Job description

GFT is seeking a Water Treatment Process Engineer to join our Water team! This role follows a hybrid work model, requiring regular attendance at one of our many offices.
Joining the water engineering team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in, advanced water and wastewater treatment, stormwater management, and conveyance, collection, and transmission. With a focus on integrating technology, sustainability, and compliance, we consider each project a chance to innovate and evolve to protect public health and enhance quality of life. Explore some of our signature water resources and environmental projects here.
What you'll be challenged to do:
In this role you will lead and support design of water treatment through evaluation of existing processes and facilities; treatment assessments; design of improvements, expansions, and new facilities; permitting; and construction administration. Responsibilities will include conducting site visits, completing treatment studies and developing treatment process recommendations, preparing reports and design documents, and supporting permitting efforts.
In this capacity, the successful candidate will be responsible for the following:
  • System Design:Lead and support the planning and process evaluation of potable water treatment processes, including intakes and raw water pump stations, coagulation, flocculation, sedimentation, disinfection, filtration, iron and manganese removal, PFAS treatment, chemical systems, and process wastewater and residuals handling.
  • Process Optimization:Conduct site visits and investigations; analyze water quality, facility design, and operating data to assess treatment performance; and provide recommendations for treatment and process improvements.
  • Studies and Evaluation:Plan and execute bench, pilot, and full-scale studies to meet project goals; assess test results and facility operating data to develop process recommendations; and preparation of required reports.

What you will bring to our firm:
  • BS in Civil, Environmental, Chemical Engineering (MS is preferred)
  • Professional Engineer Licensed required (PE) or the ability to obtain in 6-12 months
  • 4+ years of experience required in water treatment discipline, particularly as a water engineer involved with planning and/or process evaluation for potable water treatment facilities
  • Knowledge of standard engineering techniques and procedures.
  • A strong understanding of water treatment chemistry and processes such as oxidation, coagulation, clarification, filtration, disinfection, adsorption, and pH adjustment. In addition, experience in hydraulics, chemical feed systems, and water treatment technology is necessary.
  • Experience in the planning and execution of projects: including project approach and resource needs, options analysis, process and equipment design, and engineering document development through the project delivery phases of plan, design, procure, construct, and commissioning.
  • The role will require occasional travel for meetings, field work, site investigation and inspection

What we prefer:
  • Experience working directly with Environmental Regulators (i,e. NJDEP, PADEP, MDE, NYDOH etc).

Compensation:
The salary range for this role is $80,000 - $180,000. Salary is dependent upon experience and geographic location.
Featured Benefits:
• Hybrid (in-person and remote) work environment.
• Comprehensive benefits package including wellness programs, parental leave, and pet insurance, in addition to medical, dental, vision, disability, and life insurance.
• Tax-deferred 401(k) savings plan.
• Competitive paid-time-off (PTO) accrual.
• Tuition reimbursement for continued education.
• Commitment to professional development, access to internal and external training programs, and support of active participation in professional organizations
• Incentive compensation for eligible positions.
At GFT, a privately held AEC firm, we innovate where transportation, water, power, and buildings converge. We call this the Infrastructure of Life. We measure our success by the strength of our relationships - that's why we're the employer of choice for 5,000+ of the industry's brightest engineers, planners, architects, inspectors, designers, and more.
Our clients choose us for our expertise and prefer us for our nimble approach, creativity, and personal touch. Backed by over a century's experience, together we're building a lasting legacy for future generations: stronger communities, a healthier planet, and better lives.
GFT: Ingenuity That Shapes Lives™ is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans' status or other characteristics protected by law.
Unsolicited resumes from third party agencies will be considered the property GFT.
GFT does require the successful completion of a criminal background check for all advertised positions.
Location: Fairfax, NewPort News, Richmond, or Virginia Beach, VA; Raleigh, NC; Baltimore or Owings Mills, MD
Core Business Hours: 8:00 AM - 5:00 PM
Employment Status: Full-Time
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