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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$81K - $141K *

Drive process innovation and improvement initiatives to enhance extrusion and converting operations, collaborating with cross-functional teams to deliver quality solutions and cost-effective methods t...

1 week ago

  •   Less than 5 years exp.  •   Food & Beverages

$110K - $130K *

Analyze and define process requirements for life sciences manufacturing facilities, collaborating with clients and design teams to deliver compliant, efficient, and innovative solutions in regulated e...

Reposted 2 weeks ago

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

$85K - $130K *

Join a team that's redefining wastewater treatment through innovative process design and optimization. Collaborate across R&D and Operations to enhance carbon removal systems and drive impactful envir...

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$85K - $130K *

Lead the charge in optimizing wastewater treatment processes through innovative engineering solutions. Collaborate across teams to enhance system performance, drive carbon removal initiatives, and ens...

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$85K - $130K *

Transform wastewater treatment processes by leveraging engineering expertise to optimize biological systems, enhance carbon removal, and drive innovative solutions in a collaborative environment focus...

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$100K - $120K *

Support commercial engineering efforts by generating proposals, process designs, and managing project tasks. Collaborate with sales teams and vendors to enhance project success across various water tr...

Salt Lake City, UTRemote

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$100K - $120K *

Unlock potential by providing expert Commercial Engineering support for capital sales and service agreements, ensuring successful project execution across North America while collaborating with intern...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $110K *

Join a team that's dedicated to optimizing manufacturing processes and enhancing product quality. Drive continuous improvement initiatives while providing technical support and ensuring compliance in...

Reposted 4 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$50K - $140K *

Engage in a dynamic role where you'll lead technical project aspects, ensuring quality and efficiency. Collaborate with teams and stakeholders to drive project success while managing schedules, resour...

1 week ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$95K - $155K *

Unlock the potential of environmental compliance by leading complex permitting projects. Collaborate with diverse teams to ensure regulatory adherence and drive project success across the DC Metro are...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $155K *

Take ownership of complex environmental permitting projects, ensuring compliance with federal and local regulations. Collaborate with engineering and program teams to drive project approvals and maint...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $155K *

Elevate your career by leading complex environmental permitting projects. Drive compliance, engage with agencies, and mentor junior staff while ensuring project success across the DC Metro area. Your...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$125K - $145K *

Drive impactful water/wastewater projects by leveraging your expertise in planning, design, and technical analysis. Collaborate with a dynamic team to deliver innovative solutions within budget and ti...

2 weeks ago

  •   8 - 10 years exp.  •   Finance & Insurance

$100K - $120K *

Elevate your career by contributing to impactful water and wastewater projects. Collaborate with multidisciplinary teams to design resilient infrastructure solutions while mentoring junior engineers a...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$75K - $95K *

Unlock potential by joining a dynamic team to support design and project execution in mechanical engineering, ensuring quality workflows in the water services industry through innovative collaboration...

Reposted today

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Unlock potential by designing and building innovative pilot-scale UV bioreactors. Collaborate on process engineering tasks, from mass balances to hands-on commissioning, while fostering a safety-first...

1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$125K - $150K *

Play a key role in managing multi-million dollar water infrastructure projects, driving business development, client engagement, and project execution while mentoring staff and enhancing team performa...

Reposted 1 week ago

  •   11 - 15 years exp.  •   Real Estate & Construction

$82K - $138K *

Explore exciting large-scale water projects, leading design and construction phases. Engage in collaboration, technical development, and client interactions while driving project success across multip...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$80K - $95K *

Lead the charge in transforming water/wastewater projects by leveraging your engineering expertise and diverse design experience to deliver high-quality solutions and drive project success across mult...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Collaborate with our dedicated water/wastewater team to drive diverse engineering projects. Leverage your expertise and leadership abilities to deliver exceptional results, mentor junior staff, and en...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Join a dynamic water/wastewater team to lead diverse engineering projects, ensuring quality and compliance while mentoring junior staff and collaborating with clients and agencies...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$114K - $191K *

Drive the execution of innovative water projects by leading multi-discipline engineering teams, managing project budgets, schedules, and fostering client relationships to deliver advanced treatment an...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$80K - $95K *

Drive impactful water and wastewater projects by leading design, planning and collaboration efforts in a dynamic team environment focused on enhancing municipal infrastructure and community health...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$80K - $95K *

Transform stormwater management by developing innovative solutions for diverse projects. Collaborate with multidisciplinary teams to ensure compliance, enhance infrastructure, and navigate complex per...

3 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$85K - $105K *

Drive technical excellence in manufacturing and packaging, leading projects to enhance quality, cost, and supply chain efficiency while supporting new product development and material qualifications a...

3 weeks ago

  •   Less than 5 years exp.  •   Healthcare

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.