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Wastewater Process Engineer Jobs (NOW HIRING)

kennedyjc

Wastewater Process Engineer

Federal Way, WA · Hybrid

$88K - $147K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in Washington. This role focuses on wastewater treatment planning, design, and ...

kennedyjc

Wastewater Process Engineer

Walnut Creek, CA · Hybrid

$97K - $194K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

kennedyjc

Wastewater Process Engineer

Santa Rosa, CA · Hybrid

$84K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

kennedyjc

Wastewater Process Engineer

San Francisco, CA · Hybrid

$97K - $194K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

kennedyjc

Wastewater Process Engineer

Seattle, WA · Hybrid

$88K - $147K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in Washington. This role focuses on wastewater treatment planning, design, and ...

kennedyjc

Wastewater Process Engineer

Monterey, CA · Hybrid

$88K - $176K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

kennedyjc

Wastewater Process Engineer

Santa Clara, CA · Hybrid

$97K - $194K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

kennedyjc

Wastewater Process Engineer

Rancho Cordova, CA · Hybrid

$84K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in California. This role supports municipal wastewater treatment and infrastructure ...

Kennedy Jenks

Wastewater Process Engineer

Federal Way, WA · On-site

$88K - $147K/yr

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in Washington. This role focuses on wastewater treatment planning, design, and ...

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Wastewater Process Engineer information

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How much do wastewater process engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for 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 wastewater process engineer do?

A Wastewater Process Engineer is responsible for designing, optimizing, and overseeing the systems and processes used to treat and manage wastewater. They ensure that wastewater treatment plants operate efficiently and comply with environmental regulations. Their work involves analyzing water samples, selecting treatment technologies, and troubleshooting issues in existing systems. Wastewater Process Engineers play a critical role in protecting public health and the environment by ensuring that water released from treatment plants is safe.

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

To thrive as a Wastewater Process Engineer, you need a solid background in chemical, civil, or environmental engineering, typically supported by a relevant engineering degree and sometimes a Professional Engineer (PE) license. Familiarity with process simulation software (such as AutoCAD or HAZOP), SCADA systems, and regulatory compliance tools is essential. Strong problem-solving, teamwork, and communication skills help you collaborate across disciplines and address complex treatment challenges. These skills ensure efficient plant operations, regulatory compliance, and the protection of public health and the environment.

What are some common challenges wastewater process engineers face when optimizing treatment processes?

Wastewater Process Engineers often encounter challenges such as adapting to fluctuations in influent quality, keeping up with evolving regulatory standards, and integrating new treatment technologies into existing systems. They must frequently balance treatment efficiency with operational costs, all while ensuring environmental compliance. Collaboration with operations staff, maintenance teams, and regulatory agencies is essential to troubleshoot issues and implement process improvements effectively.

What is the difference between Wastewater Process Engineer vs Environmental Engineer?

AspectWastewater Process EngineerEnvironmental Engineer
CredentialsBachelor's in Environmental, Chemical, or Civil Engineering; often requires PE licenseBachelor's in Environmental, Civil, or Chemical Engineering; often requires PE license
Work EnvironmentWastewater treatment plants, industrial facilities, consulting firmsEnvironmental consulting, government agencies, industrial sites
Industry UsagePrimarily in water treatment and municipal wastewater facilitiesBroader environmental sectors including air quality, waste management, and remediation

While both roles require similar engineering credentials and often work in related environments, Wastewater Process Engineers focus specifically on designing, operating, and optimizing wastewater treatment systems. Environmental Engineers have a broader scope, addressing various environmental issues beyond wastewater, such as air pollution and site remediation.

More about Wastewater Process Engineer jobs

What cities are hiring for Wastewater Process Engineer jobs?

Cities with the most Wastewater Process Engineer job openings:

What states have the most Wastewater Process Engineer jobs?

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

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

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

Wastewater Process Engineer jobs near you
Infographic showing various 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.

Wastewater Process Engineer

kennedyjc

Federal Way, WA • Hybrid

$88K - $147K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago

Job description

Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in Washington. This role focuses on wastewater treatment planning, design, and optimization projects that improve system performance, regulatory compliance, and environmental outcomes.

You’ll work with multidisciplinary teams on wastewater treatment facilities, pump stations, collection systems, upgrades, and expansions.

What You’ll Do

As a Wastewater Process Engineer, you’ll apply technical analysis, process design, project coordination, and stakeholder communication to help deliver effective wastewater solutions.

  • Advance process planning and design: Develop wastewater treatment plans, designs, upgrades, and optimization strategies.
  • Evaluate treatment needs: Apply engineering analysis to assess system performance, develop alternatives, and inform practical solutions.
  • Coordinate technical deliverables: Assist Project Managers and Process Leads with detailed design, technical deliverables, and coordination tasks for small to large civil infrastructure projects, including wastewater treatment facilities, pump stations, and collection systems.
  • Improve treatment processes: Identify physical, chemical, and biological treatment improvements that enhance efficiency, reliability, and environmental performance.
  • Facilitate stakeholder communication: Prepare project updates, technical discussions, and compliance-related documentation for clients, regulators, and project stakeholders.
What Makes This Role Different
  • Work with purpose: Help deliver wastewater solutions that protect public health, promote environmental stewardship, and strengthen community infrastructure.
  • Create practical client value: Shape solutions that improve reliability, efficiency, and long-term system performance.
  • Influence strong project outcomes: Apply process insight that helps teams make informed technical decisions and produce high-quality outcomes.
What You Bring
  • Sound engineering judgment: A thoughtful and analytical approach to evaluating challenges and recommending practical next steps.
  • Client-focused collaboration: A service-oriented approach to working with clients, project teams, and stakeholders to promote responsive, high-quality project delivery.
  • Clear written and verbal communication: The ability to present technical information in a clear, organized, and audience-appropriate way.
  • Reliable follow-through: Attention to detail, responsiveness, and commitment to producing quality work.
Qualifications
  • Education: Bachelor’s or master’s degree in Civil, Environmental, Chemical, or a related engineering field.
  • Experience: 5+ years of relevant wastewater process engineering experience.
  • Technical knowledge: Wastewater treatment processes, regulations, technologies, system design, optimization, and compliance documentation.
  • Certifications or licenses: Engineer-in-Training (EIT) certification required; progress toward Professional Engineer (PE) licensure in Washington preferred.
  • Travel: Willingness to travel as needed for project sites, client meetings, and collaboration with Kennedy Jenks offices.

Kennedy Jenks supports a healthy work-life balance and utilizes a hybrid model of home and office work, with a minimum of two days per week in the office. This approach empowers our people to thrive, collaborate, and do their best work.

Salary range for this position is anticipated to be between $88,000 and $147,000, and may vary based upon education, experience, qualifications, licensure/certifications, and geographic location.

Benefits summary: Medical, dental, vision, life and disability insurance; a health savings account; a 401(k); bonus programs; tuition reimbursement; employee ownership opportunity; professional registration support; business travel assistance; competitive paid time off and holidays; an employee assistance program; and additional programs that support your wellbeing and professional growth.

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