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Water Wastewater Process Engineer Jobs (NOW HIRING)

Kennedy Jenks

Wastewater Process Engineer

Walnut Creek, CA · On-site

$97K - $194K/yr

... water reuse projects, and efficient construction management practices that ensure quality, safety ... Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater ...

Fishbeck

Process Engineer/Project Manager

Dayton, OH · On-site

Water/Wastewater Process Engineer/Project Manager Location: Dayton, OH Employment Type: Full-Time For over 70 years Fishbeck has been building. As a 100% employee-owned firm, every team member has a ...

Kennedy Jenks

Wastewater Process Engineer

Federal Way, WA · On-site

$88K - $147K/yr

... water reuse projects, and efficient construction management practices that ensure quality, safety ... Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater ...

Arco Ltd

Senior Wastewater Process Engineer

Denver, CO · On-site

$135 - $175/hr

ABOUT YOU BlueWTR is hiring a Senior Process Engineer/Design PM to lead process design and technical delivery on industrial water and wastewater projects across hyperscale data center, RNG/biogas ...

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Water Wastewater Process Engineer information

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$49.5K

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How much do water wastewater process engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for water wastewater process engineer in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What does a water wastewater process engineer do?

A Water Wastewater Process Engineer designs, develops, and optimizes processes for treating water and wastewater in municipal or industrial facilities. They ensure that water treatment systems operate efficiently, meet regulatory standards, and protect public health and the environment. Their work often involves evaluating treatment technologies, troubleshooting operational issues, and implementing improvements to reduce costs and enhance performance.

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

To thrive as a Water Wastewater Process Engineer, you need a solid background in environmental or chemical engineering, with expertise in water and wastewater treatment processes, typically supported by a relevant engineering degree and, often, Professional Engineer (PE) licensure. Familiarity with design software like AutoCAD, process modeling tools, SCADA systems, and regulatory compliance standards is essential. Strong analytical thinking, problem-solving abilities, and effective communication skills help you collaborate with multidisciplinary teams and troubleshoot complex issues. These skills ensure the efficient design, optimization, and operation of treatment systems, safeguarding public health and environmental standards.

What are some common challenges water wastewater process engineers face when managing treatment plant upgrades?

Water Wastewater Process Engineers often encounter challenges such as coordinating with multiple stakeholders, ensuring compliance with evolving environmental regulations, and minimizing plant downtime during upgrades. Managing these projects requires strong communication skills to collaborate with operations staff, contractors, and regulatory agencies. Additionally, engineers must balance technical feasibility with budget constraints and maintain system performance throughout the transition.

What is the difference between Water Wastewater Process Engineer vs Water Treatment Plant Operator?

AspectWater Wastewater Process Engineer
CredentialsBachelor's degree in environmental engineering, chemical engineering, or related field; professional engineering license often preferred
Work EnvironmentDesign, analyze, and optimize water and wastewater treatment processes in engineering firms or industrial settings
Employer & IndustryEngineering consulting firms, municipal agencies, industrial plants
Job FocusProcess design, system optimization, troubleshooting, and compliance with environmental regulations

While Water Wastewater Process Engineers focus on designing and improving treatment systems through technical analysis and engineering principles, Water Treatment Plant Operators handle the day-to-day operation and maintenance of treatment facilities. Engineers typically work in office or lab settings, whereas operators work on-site at treatment plants. Both roles are essential in ensuring safe and compliant water treatment processes, but they differ in responsibilities, qualifications, and work environment.

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What cities are hiring for Water Wastewater Process Engineer jobs?

Cities with the most Water Wastewater Process Engineer job openings:

What states have the most Water Wastewater Process Engineer jobs?

States with the most job openings for Water Wastewater Process Engineer jobs include:

What job categories do people searching Water Wastewater Process Engineer jobs look for?

The top searched job categories for Water Wastewater Process Engineer jobs are:

Water Wastewater Process Engineer jobs near you
Infographic showing various Water Wastewater Process Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $92,018 per year, or $44.2 per hour.

Process Engineer - Water/Wastewater

Garver

Fayetteville, AR • On-site

$80K - $113K/yr

Full-time

Re-posted 17 days ago

Garver rating

8.4

Company rating: 8.4 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

122nd of 449 rated engineering

Job description

As a member of Garver’s Fayetteville Water Design Center, the Process Engineer will be responsible for taking water and wastewater design engineering projects from conceptual planning to bid ready documents under the direction of Senior Process Engineers and Project Managers. This may include design calculations, process and/or hydraulic modeling, facility and equipment layout development, equipment vendor coordination, management and coordination of support discipline activities, and coordination with regional offices and regulatory agencies as well as performing quality reviews of other teams’ designs.
This position will be responsible for performing a wide array of tasks related to water and wastewater facilities, such as:
• Developing conceptual level designs for water and wastewater treatment systems
• Developing detailed designs, including contract documents (plans and specifications)
• Coordinating with process mechanical team for detailed design services for treatment facilities
• Preparing design calculations, coordinating with other support discipline activities on projects, coordinating with regional Garver offices, and construction cost estimating,
• Be included in client meetings and industry conferences
• Support of water and wastewater process evaluation, selection, and implementation
• Oversee the development of construction drawings and 3D models pertaining to hydraulic structures.
Requirements:
  • Master’s degree in civil, environmental, chemical, or biosystems/biological engineering from an ABET accredited program
  • Engineer-In-Training (EIT) Certification or able to obtain within the next 6 months.
  • 2+ years of direct process experience with water/wastewater treatment plant.
  • Solid understanding of drinking water treatment processes or wastewater treatment processes (biological, chemical, and physical)
Preferred Attributes:
  • 5+ years of direct experience with water and wastewater treatment processes.
  • PhD degree in civil, environmental, chemical, or biosystems/biological or related engineering discipline.
  • Licensed Professional Engineer (PE)
  • 2+ years of experience with open-channel flow hydraulic modeling
  • 2+ years of experience with biological modeling software (GPS-X, SUMO, BioWin, etc.)
  • Strong communication skills as required to collaborate project designs with multi-discipline project teams
  • Strong working knowledge of MS Word, Excel, PowerPoint, Project and Outlook.
  • Experience working with a multi-disciplinary team comprised of civil, structural, building mechanical, electrical, and Instrumentation and control disciplines.
  • Active participation in local professional organizations.
About Garver's Water Design Center
The Water Design Center (WDC) is a knowledge-based hub that excels in highly technical, multi-discipline water and wastewater designs. The WDC specializes in large, high-volume, custom plant projects with advanced technologies. Centralizing the location of the WDC means communication, coordination, and participation with team members is constant. This integral working relationship benefits the client through project delivery schedule and design quality, as well as the engineer’s opportunity for team collaboration and professional growth.
U.S. News amp; World Report ranked Fayetteville, Arkansas as #7 in Best Places to Live based on affordability, job prospects, quality of life, best high schools, and hospitals. Also, ranked #90 in Best Places to Retire, #8 in Cheapest Places to Live, and #18 in Fastest-Growing Places.
Grow With Us
Garver offers its employees programs such as company-paid professional memberships, company support for industry licenses and continuing education opportunities that foster a progressive atmosphere. Garver provides the tools, resources, and environment to develop leaders, stimulate ideas, and accomplish projects. By offering highly competitive salary packages, attractive benefits, and a comprehensive wellness program; Garver walks the talk when it comes to work-life balance.
Founded in 1919, Garver is an employee-owned engineering, planning, and environmental services firm focused on aviation, transportation, buildings, federal, water and wastewater services; surveying; advisory services; and construction engineering and inspection. In the top 100 of Engineering News-Record’s Top 500 Design Firms list, with more than 1,400 employees, Garver provides an exceptional level of client service that reflects our people-first culture, which has achieved Zweig Group Best Firm to Work For Legacy Status. Learn how Garver invests in people and places they call home at GarverUSA.com.
Garver is committed to providing equal employment opportunities to all applicants and employees. Our employment practices are based upon an individual's capabilities and qualifications without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other category protected by law.
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