Process Engineer, Water/Wastewater Jobs

Find senior-level Process Engineer, Water/Wastewater opportunities on Ladders. These roles focus on designing, improving, and supporting the systems that treat drinking water and wastewater for communities, utilities, and industry. Explore vetted jobs with salaries of $100,000 or more, including positions in process design, treatment optimization, engineering, and technical leadership.

What Water and Wastewater Process Engineers Do

Water and wastewater process engineers develop and refine treatment processes to meet public health, environmental, operational, and regulatory requirements. Depending on the role, they may evaluate treatment technologies, develop process calculations and design criteria, review engineering plans, troubleshoot plant performance, and guide upgrades to existing facilities. They often work with multidisciplinary teams that include civil, mechanical, electrical, and environmental engineers, as well as operators, project managers, and clients.

Common Responsibilities and Specialties

Responsibilities can include designing or evaluating treatment trains, conducting process modeling, preparing technical reports and specifications, supporting pilot studies, and optimizing chemical, biological, or physical treatment operations. Specialists may work in drinking water treatment, industrial water reuse, desalination, biological wastewater treatment, nutrient removal, sludge processing, or advanced treatment. Senior positions may also involve project delivery, client relationships, mentoring, and technical reviews.

Skills and Qualifications Employers Seek

Employers commonly look for a degree in environmental, chemical, civil, or a related engineering discipline, along with experience in water or wastewater treatment. Relevant capabilities may include process design, hydraulic and mass-balance calculations, treatment modeling, regulatory knowledge, technical writing, and collaboration across engineering disciplines. A Professional Engineer (PE) license may be preferred or required for roles involving engineering oversight or approval; requirements vary by employer and location.

Explore Senior Water/Wastewater Engineering Careers

Use Ladders to explore vetted Process Engineer, Water/Wastewater jobs with compensation of $100,000 or more. Compare opportunities by specialization, seniority, and location, and find roles where your process engineering expertise can contribute to reliable water infrastructure and effective treatment systems.

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$120K - $155K *

Join a team that's leading the design and implementation of central utility systems. You'll manage complex projects, mentor engineers, and drive innovation in energy solutions for diverse facilities...

Austin, TXRemote

1 month ago

  •   8 - 10 years exp.  •   Technical Services

$109K - $163K *

Drive commercial growth by managing a key industrial territory, partnering with clients to solve rotating equipment challenges and enhance reliability through tailored solutions and distributor collab...

Kentuck, WVRemote

Today

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$202K - $289K *

Champion growth in environmental services by leading business development, managing complex projects, and fostering client relationships in the power industry. Leverage your expertise to navigate regu...

United StatesRemote

1 week ago

  •   15+ years exp.  •   Technical Services

$80K - $95K *

Engineer innovative solutions as a Project Engineer, overseeing diverse projects from design to execution. Collaborate with teams to ensure quality standards and effective communication, driving conti...

United StatesRemote

Today

  •   Less than 5 years exp.  •   Technical Services

$150K - $200K *

Lead the charge in hydrogeology by providing technical expertise, mentoring staff, and enhancing client relationships. Drive complex projects in mine water management and groundwater analysis across N...

Denver, CORemote

4 weeks ago

  •   15+ years exp.  •   Technical Services

$81K - $89K *

Transform complex services projects by leading commissioning efforts, optimizing plant operations, and ensuring exceptional customer support. Drive continuous improvement and manage customer issues ef...

Atlanta, GARemote

4 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$81K - $89K *

Contribute to the successful commissioning of complex water treatment projects, ensuring optimal plant operations and customer satisfaction. Leverage technical expertise to resolve issues, implement i...

Salt Lake City, UTRemote

4 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$81K - $89K *

Join a dynamic team to lead the commissioning of complex water treatment projects, ensuring operational excellence and customer satisfaction. Leverage your technical expertise to resolve issues, optim...

Houston, TXRemote

4 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$81K - $89K *

Unlock potential by leading complex service projects, ensuring effective commissioning, optimizing plant operations, and delivering exceptional customer support. This role demands strong technical ski...

Feasterville Trevose, PARemote

4 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$140K - $200K *

Transform the Southwest's waste management landscape by leading design and project management for Transfer Stations and MRFs. Drive business development and foster team growth while ensuring technical...

United StatesRemote

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$76K - $98K *

Contribute to innovative civil engineering projects by designing stormwater management systems and collaborating with multidisciplinary teams to deliver sustainable solutions while ensuring compliance...

RemoteRemote

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$130K - $176K *

Lead complex water resources projects, integrating technical and commercial strategies while guiding multidisciplinary teams through planning, execution, and client engagement to ensure successful del...

United StatesRemote

2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$100K *

Join a team that's managing environmental projects, ensuring quality and compliance while mentoring junior staff and driving business development efforts in the oil and gas sector...

United StatesRemote

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$263K - $395K *

Transform the technical landscape by defining and delivering innovative solutions, mentoring engineers, and shaping strategic initiatives to enhance system architecture and performance across the orga...

United StatesRemote

1 week ago

  •   11 - 15 years exp.  •   Information Technology

$88K - $154K *

Advance your career by leading process engineering for semiconductor projects. Collaborate with cross-functional teams to optimize systems, ensuring compliance with industry standards while mentoring...

RemoteRemote

Yesterday

  •   8 - 10 years exp.  •   Real Estate & Construction

$135K - $166K *

Take ownership of air quality projects, leading permitting and compliance efforts for diverse industries. Utilize your expertise in regulatory strategy and modeling to enhance client relationships and...

RemoteRemote

2 weeks ago

  •   8 - 10 years exp.  •   Business Services

$110K - $130K *

Join us to lead multimillion-dollar projects in the Mission Critical sector, managing teams and subcontractors to deliver critical systems for Data Centers and Power Plants across North America. Drive...

Edmonton, ABRemote

4 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$88K - $105K *

Transform the future of automation solutions by engineering real-time controls and information systems across manufacturing environments. Collaborate with a dynamic team to enhance operational efficie...

Philadelphia, PARemote

5 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Join a team that's innovating real-time automation solutions across industries. As a Systems Engineer, you'll develop and implement cutting-edge controls, mentor peers, and enhance operational efficie...

Raleigh, NCRemote

5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$90K - $110K *

Optimize real-time automation solutions across manufacturing and enterprise levels. Collaborate with engineering teams to design, implement, and enhance systems using diverse programming and design to...

Richmond, VARemote

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Explore a vital role in leading remediation projects, leveraging engineering design expertise to deliver impactful solutions across diverse sites while managing multiple tasks in a dynamic consulting...

United StatesRemote

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$111K - $150K *

Join a team that's advancing renewable energy solutions through expert power system analysis. Lead complex studies, collaborate with cross-functional teams, and drive innovative engineering practices...

United StatesRemote

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$105K - $121K *

Contribute to impactful water/wastewater projects by assisting engineers with design, data analysis, and hydraulic modeling. Collaborate on feasibility studies and environmental documentation to ensur...

Santa Ana, CARemote

3 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$200K *

Unlock potential by leading complex tunnel and trenchless projects. Leverage your 15+ years of expertise in design and construction management to drive successful outcomes and enhance client relations...

Riverside, CARemote

3 weeks ago

  •   11 - 15 years exp.  •   Business Services

$110K - $130K *

Lead the growth of national Power Generation and Transmission accounts. Develop strategic relationships, identify opportunities, and drive revenue through collaboration with internal teams and clients...

Olathe, KSRemote

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

Frequently Asked Questions (FAQ)

  • What does a Process Engineer, Water/Wastewater do?question toggle

    A Process Engineer, Water/Wastewater designs, evaluates, and optimizes processes used to treat drinking water, wastewater, and industrial water. The work may include process calculations, technology selection, plant troubleshooting, design reviews, and support for facility upgrades.

  • What qualifications are commonly required for water and wastewater process engineer jobs?question toggle

    Employers typically seek an engineering degree in environmental, chemical, civil, or a related field, plus relevant treatment-process experience. Some senior roles prefer or require a PE license, depending on the responsibilities and jurisdiction.

  • Which specialties are available in water and wastewater process engineering?question toggle

    Specialties may include drinking water treatment, wastewater treatment, industrial water and reuse, desalination, biological processes, nutrient removal, advanced treatment, and sludge processing.

  • Do Process Engineer, Water/Wastewater jobs on Ladders pay $100,000 or more?question toggle

    Ladders focuses on vetted professional jobs paying $100,000 or more. Compensation for individual positions varies by employer, location, experience, and scope of responsibility.

  • What skills can help candidates stand out for senior water/wastewater process engineering roles?question toggle

    Experience with treatment design and optimization, process modeling, engineering calculations, regulatory requirements, technical documentation, and multidisciplinary project work can be valuable. Project leadership, client communication, and a PE license may also strengthen a candidate’s qualifications.