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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$88K - $105K *

Lead impactful water and wastewater projects, managing all phases from planning to construction. Build client relationships, resolve design challenges, and contribute to business growth in a collabora...

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$88K - $105K *

Deliver impactful water/wastewater projects from conception to completion, managing client relations and ensuring project quality. Collaborate with teams to solve complex design challenges and contrib...

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$103K - $125K *

Join a dynamic team to enhance water filtration technology. Leverage your engineering expertise to support production, drive process improvements, and mentor engineers in a fast-paced manufacturing en...

6 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$103K - $125K *

Empower innovation in water filtration by leveraging your engineering expertise to enhance production processes, mentor teams, and drive continuous improvement initiatives in a dynamic manufacturing e...

6 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$69K - $99K *

Develop process designs and calculations for diverse projects, collaborating with a multi-disciplinary team. Engage in safety reviews and support construction efforts while maintaining effective commu...

4 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$156K - $261K *

Lead the charge in delivering advanced engineering solutions across multiple Industrial Water projects. Oversee I&C design execution, manage multi-discipline teams, and cultivate client relationships...

Reposted 1 week ago

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

$72K - $87K *

Support diverse water/wastewater design projects, collaborating with a skilled team to enhance municipal systems while gaining invaluable hands-on experience and mentorship to advance your engineering...

Reposted 4 days ago

  •   Less than 5 years exp.  •   Technical Services

$72K - $87K *

Tackle challenges in water/wastewater engineering, designing and delivering projects that enhance municipal systems. Collaborate with a skilled team to support vital infrastructure improvements in a d...

Reposted 4 days ago

  •   Less than 5 years exp.  •   Technical Services

$110K - $130K *

Join us to lead municipal wastewater infrastructure projects, managing planning, design, and delivery while coordinating multidisciplinary teams and ensuring quality standards, budgets, and schedules...

2 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$88K - $105K *

Partner with us to lead complex water/wastewater projects, ensuring compliance and quality. Utilize your engineering expertise to manage project lifecycles, mentor junior staff, and drive business gro...

6 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$110K - $130K *

Elevate your career by leading strategic initiatives in water and wastewater engineering. Drive market growth in mining and industrial sectors while mentoring a dedicated team and managing complex pro...

2 weeks ago

  •   8 - 10 years exp.  •   Business Services

$80K - $110K *

Transform water and wastewater systems by leveraging engineering expertise to design, analyze, and implement innovative solutions that enhance sustainability and efficiency in resource management...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $110K *

Join a team that's dedicated to innovative water and wastewater solutions. Leverage your engineering expertise to enhance sustainability and quality of life through impactful projects in a collaborati...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Transform mechanical systems commissioning in mission-critical environments. Collaborate with project teams, execute field activities, and ensure compliance with industry standards while mentoring jun...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$115K - $192K *

Champion large-scale water and wastewater projects by leading design, construction, and startup phases. Collaborate with teams to deliver innovative solutions while managing budgets, schedules, and cl...

Markham, ONIn-Person

Today

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

$80K - $95K *

Join a team that's transforming water infrastructure projects. Lead diverse design and construction initiatives, manage project scopes, and collaborate with clients to deliver impactful solutions on a...

Reposted 1 week ago

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

$109K - $182K *

Take ownership of large-scale water and wastewater infrastructure projects while leading design, construction, and startup phases. Collaborate with cross-functional teams to ensure project delivery al...

Reposted 2 weeks ago

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

$82K - $138K *

Engage in innovative water treatment solutions as a mid-level engineer, applying advanced techniques to tackle complex challenges. Collaborate with multidisciplinary teams to enhance water quality and...

Reposted 1 week ago

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

$100K - $140K *

Engage in impactful stormwater engineering projects, preparing hydraulic studies, drainage reports, and design plans. Collaborate with multidisciplinary teams to ensure compliance and mentor junior st...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$97K - $194K *

Pioneer innovative solutions in water treatment engineering, optimizing processes and collaborating across project teams to address complex drinking water challenges nationally while mentoring junior...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$88K - $176K *

Drive impactful solutions in drinking water treatment and purification. Collaborate with experts on local and national projects while enhancing your technical expertise and responsibilities in a suppo...

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$84K - $169K *

Solve complex challenges in drinking water treatment and reuse. Collaborate with engineers on innovative projects, improving municipal systems and optimizing operations for sustainable water purificat...

Reposted 4 days ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Explore your potential as a Project Manager, leading innovative water and wastewater projects. Collaborate with multidisciplinary teams, manage budgets, and cultivate client relationships to advance w...

Reposted yesterday

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

$104K - $116K *

Join a dynamic team as a Process Engineer, supporting gaseous energy projects. Collaborate on process design, optimize systems, and mentor junior staff while ensuring safety and efficiency in a fast-p...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Technical Services

$90K - $115K *

Grow your career with us as you support diverse stormwater and flood resiliency projects. Collaborate with multi-disciplined teams to deliver innovative solutions for public and private clients across...

4 weeks ago

  •   Less than 5 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.