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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$80K - $95K *

Join a team that's committed to managing complex environmental projects. You'll lead investigations, prepare extensive reports, and develop innovative solutions, fostering career growth while collabor...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$88K - $154K *

Optimize and integrate the manufacturing process for hazardous materials, taking ownership from design through commissioning. Collaborate with multidisciplinary teams to ensure safety and efficiency i...

United StatesRemote

Reposted 1 week ago

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

$110K - $130K *

Lead the delivery of complex municipal water and wastewater projects, guiding multidisciplinary teams through planning, design, and construction while fostering client relationships and ensuring proje...

Victoria, BCIn-Person

4 days ago

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

$110K - $130K *

Lead the charge in delivering impactful municipal water and wastewater projects. Utilize your expertise to guide multidisciplinary teams, manage client relationships, and drive successful outcomes whi...

Kelowna, BCIn-Person

5 days ago

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

$110K - $130K *

Lead the charge in delivering impactful municipal water and wastewater projects. Utilize your technical expertise and project management skills to guide multidisciplinary teams, ensuring quality outco...

Burnaby, BCIn-Person

5 days ago

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

$93K - $135K *

Lead dynamic projects in advanced manufacturing, focusing on pharmaceutical and semiconductor industries. Collaborate with engineers to design and manage complex systems, while mentoring junior staff...

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$76K - $90K *

Join a dynamic team to design and enhance municipal water and wastewater systems. This role offers opportunities in technical design, project management, and business development, ensuring impactful c...

Reposted today

  •   Less than 5 years exp.  •   Technical Services

$76K - $90K *

Advance your career by designing innovative water and wastewater infrastructure projects. Collaborate with teams to enhance municipal systems, ensuring compliance and efficiency while developing your...

Reposted today

  •   Less than 5 years exp.  •   Technical Services

$76K - $90K *

Join a team that's dedicated to designing innovative water and wastewater infrastructure projects. Contribute to municipal improvements and advance your career in a collaborative environment focused o...

Reposted today

  •   Less than 5 years exp.  •   Technical Services

$76K - $90K *

Unlock your potential as you design innovative water and wastewater infrastructure projects. Collaborate with a dynamic team, enhance your technical skills, and contribute to impactful municipal impro...

Reposted today

  •   Less than 5 years exp.  •   Technical Services

$135K - $200K *

Grow your career with a leading role in managing water resource projects, providing expertise in hydrologic modeling, and mentoring staff while ensuring compliance with regulations and delivering inno...

Reposted 6 days ago

  •   11 - 15 years exp.  •   Technical Services

$80K - $95K *

Take ownership of commissioning projects, leading cross-functional teams to deliver advanced clean technology systems. Mentor junior engineers while optimizing workflows and ensuring high-quality syst...

Richmond, BCIn-Person

4 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Unlock potential by managing environmental investigation and remediation projects, delivering technical excellence, supervising field investigations, and coaching staff while working on diverse projec...

Reposted 4 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$111K - $131K *

Oversee and lead a technical team in the design and management of water, stormwater, and wastewater infrastructure projects, ensuring effective project delivery and collaboration with internal and ext...

Victoria, BCIn-Person

6 days ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$95K - $120K *

Drive technical excellence and collaborate with teams to optimize, validate, and ensure compliance in manufacturing processes for Rx, OTC, and cosmetic products across the product lifecycle...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$95K - $120K *

Optimize manufacturing processes for Rx, OTC, and cosmetic products. Collaborate with cross-functional teams to ensure quality, compliance, and efficiency while managing multiple projects and driving...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$104K - $115K *

Engage in enhancing production efficiency and quality as a Process Engineer. Drive continuous improvement initiatives, lead troubleshooting efforts, and collaborate with teams to meet safety and produ...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$125K - $196K *

Unlock potential by leading business development and operational oversight in water and wastewater engineering. Manage diverse projects while fostering client relationships and mentoring staff to driv...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$125K - $196K *

Take ownership of diverse municipal projects in water and wastewater engineering. Lead business development and client management efforts while optimizing operational performance and mentoring staff i...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$125K - $196K *

Drive growth in water and wastewater engineering by leading business development, managing client relationships, and overseeing operational performance in a hybrid role focused on Southern California...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Elevate your career by leading a dynamic team in construction materials testing, driving quality and safety across diverse projects while fostering client relationships and team development in a colla...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Manage and oversee water and wastewater projects, ensuring quality and compliance while collaborating with multi-discipline teams. Drive project deliverables, budgets, and schedules to meet client exp...

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Shape the future of workplace safety by developing and implementing EHS policies, conducting audits, and fostering a culture of environmental responsibility across teams to ensure compliance and enhan...

2 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$92K - $120K *

Lead a team of engineers to manage and enhance public infrastructure systems, ensuring compliance with regulations and effective project execution. Drive strategic initiatives and oversee development...

4 weeks ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$80K - $95K *

Join a team that's shaping municipal infrastructure projects, enhancing water, wastewater, and stormwater systems. Collaborate with stakeholders, manage project budgets, and mentor junior engineers to...

5 days ago

  •   5 - 7 years exp.  •   Business 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.