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Water Wastewater Process Engineer Jobs (NOW HIRING)

I & S Group, Inc.

$80 - $100/hr

We are seeking an Industrial Water/Wastewater Process Engineer who thrives in fast-paced environments and is energized by variety - variety in technology, client operations, and project challenges.

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 ...

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Water Wastewater Process Engineer information

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

As of Sep 10, 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 are popular job titles related to Water Wastewater Process Engineer jobs?

For Water Wastewater Process Engineer jobs, the most frequently searched job titles are:

Water Wastewater Process Engineer jobs near you
Infographic showing various Water Wastewater Process Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $92,018 per year, or $44.2 per hour.

Senior Water/Wastewater Process Engineer

Atlanta, GA • On-site

Goodwyn Mills Cawood LLC
Specialized Design Services • 201 - 500 employees
Learn more about Goodwyn Mills Cawood LLCexternal

$98K - $127K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 10 days ago

Key responsibilities

  • Lead the design and delivery of water and wastewater treatment projects, ensuring technical excellence, quality, and on-time completion.

  • Support business development through proposal input, client meetings, and solution-focused presentations.

  • Participate in site visits during design, construction, and start-up to support performance optimization and troubleshooting.

Job description

At Goodwyn Mills Cawood (GMC), we believe in the power of community, collaboration, and creativity to make a lasting impact. As one of the Southeast’s leading multi-disciplinary firms, we bring together expertise in architecture, engineering, planning, and environmental services to create meaningful solutions that strengthen the communities we serve.

Position Overview: 

We're seeking an experienced Senior Water/Wastewater Process Engineer with 8+ years of experience to join our growing team in one of our offices located in Atlanta, GA; Charlotte, NC; Greenville, SC; Nashville, TN; or Savannah, GA. In this role, you'll lead the planning, design, and delivery of impactful water and wastewater treatment projects that help communities thrive. You'll collaborate with multidisciplinary teams, drive innovative and sustainable solutions, and play a key role in improving critical infrastructure that supports public health and quality of life.

If you're passionate about making a lasting impact, mentoring others, and advancing your career with a team committed to excellence, we'd love to hear from you.

Key Responsibilities and Skills:

  • Lead the design and delivery of water and wastewater treatment projects, ensuring technical excellence, quality, and on-time completion.
  • Support business development through proposal input, client meetings, and solution-focused presentations.
  • Partner with clients to understand their needs, present innovative technical solutions, and build lasting relationships.
  • Perform process modeling, hydraulic analyses, and develop design documentation, including PFDs and P&IDs.
  • Specify and design treatment systems such as activated sludge, BNR, MBR, filtration, and disinfection technologies.
  • Collaborate with multi-disciplinary teams across engineering disciplines to deliver integrated, high-impact solutions.
  • Mentor junior engineers and technical staff, fostering growth and innovation.
  • Participate in site visits during design, construction, and start-up to support performance optimization and troubleshooting.

Qualifications:

  • Bachelor’s degree in Civil, Environmental, Chemical, or Mechanical Engineering (ABET-accredited); a Master’s degree in Environmental Engineering or a related field is a plus.
  • Professional Engineer (P.E.) license required; BCEE certification preferred.
  • 8+ years of experience in water and/or wastewater engineering, ideally within a consulting or design environment.
  • Strong background in treatment process design and optimization for municipal or industrial facilities.
  • Proficiency with process modeling and design software (e.g., BioWin, GPS-X, WaterCAD, AutoCAD, Revit).
  • Solid understanding of PFDs, P&IDs, and overall system design principles.
  • Experience with a range of treatment technologies, including activated sludge, BNR, MBR, filtration, disinfection, RO, and biosolids systems.
  • Demonstrated leadership and project management skills, with the ability to guide teams, manage budgets and schedules, and deliver high-quality results.
  • Excellent communication and collaboration skills, with the ability to build strong relationships with clients and colleagues.
  • Knowledge of federal, state, and local regulations related to water and wastewater systems.
  • Self-driven and detail-oriented, with a passion for innovation, problem-solving, and continuous improvement.
  • Active involvement in professional organizations such as AWWA or WEF is a plus.

Why GMC?

At Goodwyn Mills Cawood (GMC), we build more than structures—we build communities. We’re looking for talented, driven individuals to join a team where creativity, collaboration, and impact come together every day. We offer competitive benefits, including medical, dental, vision, 401(k) with company match, PTO, professional development, and opportunities to make a real difference in the communities we serve. Our culture is inclusive, empowering, and growth-focused, with a commitment to quality, integrity, and innovation. At GMC, you’ll tackle meaningful projects, grow your career, and help shape thriving communities.

Join us and make an impact—your work matters here.

Equal Opportunity Employer/Disability/Veterans

About GMC

We believe in community, collaboration, and using the power of creativity and hard work to make a difference.  Whether designing schools, parks, hospitals, commercial developments, or providing clean water, safe streets and restoring resilient environments, GMC takes great pride in serving our communities through the transformative work we do. Every project is guided by the foundational concept that communities are built by people, not companies, and we strive to serve our communities with quality, integrity, creativity and care. One of the Southeast’s most comprehensive multi-disciplined firms, GMC is equipped to provide all the services associated with architecture, landscape architecture, interior design, civil engineering, environmental services, planning, transportation engineering, geotechnical engineering, electrical engineering, surveying and disaster recovery.  

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