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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$96K - $140K *

Drive innovative water strategy initiatives nationwide, supporting due diligence, sourcing, and compliance for advanced manufacturing and industrial clients, while collaborating with multidisciplinary...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Shape the future of water management by leading innovative projects in water supply, treatment, and compliance. Collaborate with multidisciplinary teams to deliver sustainable solutions for industrial...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Champion innovative water strategies nationwide, supporting critical projects in water supply, wastewater management, and regulatory compliance. Collaborate with multidisciplinary teams to deliver eff...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Drive innovative water strategy initiatives nationwide, supporting due diligence, sourcing, and compliance for advanced manufacturing and industrial clients. Collaborate with multidisciplinary teams t...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Transform water strategy initiatives nationwide by leading due diligence evaluations, developing sourcing strategies, and ensuring compliance for advanced manufacturing and industrial clients across d...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Lead the charge in developing innovative water and wastewater strategies, ensuring compliance and efficiency for diverse clients. Collaborate with multidisciplinary teams to deliver integrated solutio...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Support national water strategy initiatives by managing projects focused on water supply, wastewater treatment, and regulatory compliance for diverse industrial clients. Collaborate with multidiscipli...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Collaborate with multidisciplinary teams to develop and implement innovative water and wastewater strategies, ensuring compliance and efficiency for diverse industrial clients across the nation...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Elevate your career by supporting national water strategy initiatives, including due diligence evaluations and compliance for advanced manufacturing and industrial clients. Collaborate with multidisci...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Lead the charge in designing impactful water and wastewater infrastructure projects. Collaborate with diverse teams, mentor emerging engineers, and drive business development while ensuring quality an...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$78K - $129K *

Take ownership of impactful water infrastructure projects, collaborating with a dynamic team to design and deliver solutions for communities. Enhance your technical expertise and project leadership sk...

3 weeks ago

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

$100K - $175K *

Shape the future of sustainable water management by designing and optimizing innovative water treatment solutions. Collaborate on impactful projects that enhance water quality and ensure compliance wi...

1 week ago

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

$82K - $136K *

Champion sustainable water management by designing and optimizing water and wastewater systems. Collaborate on projects to enhance water quality and ensure regulatory compliance while mentoring junior...

2 weeks ago

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

$80K - $95K *

Join a dynamic team to evaluate, design, and engineer mechanical systems for diverse projects. Collaborate with senior engineers, lead project coordination, and ensure structural reliability while enh...

2 days ago

  •   5 - 7 years exp.  •   Technical Services

$129K - $194K *

Lead the charge in advancing wastewater solutions by collaborating with municipal clients to develop sustainable infrastructure and innovative nutrient management strategies, ensuring compliance and r...

1 week ago

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

$108K - $130K *

Join a team that manages complex engineering projects in industrial water, leading multi-discipline teams to deliver advanced treatment solutions while ensuring client satisfaction and project success...

Reposted 1 week ago

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

$95K - $115K *

Reimagine infrastructure by leading electrical design for water/wastewater projects. You'll provide technical guidance, enhance client relationships, and drive business development initiatives, ensuri...

Reposted 1 week ago

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

$95K - $115K *

Lead and direct projects for planning, design, and construction of industrial water and wastewater facilities while mentoring project staff and managing complex engineering tasks...

Reposted yesterday

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

$80K - $95K *

Lead the charge in innovative civil engineering projects focused on water and wastewater treatment. Collaborate with multidisciplinary teams to design, manage, and deliver high-quality solutions while...

2 weeks ago

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

$74K - $102K *

Join a team that's dedicated to process development and improvement in manufacturing. You'll lead trials, analyze data, and implement solutions while collaborating with engineering and operations to e...

2 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $98K *

Innovate manufacturing processes by developing and optimizing equipment to enhance product quality, efficiency, and cost-effectiveness while driving continuous improvement initiatives across productio...

Yesterday

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$92K - $110K *

Transform water and wastewater engineering by leading projects, making critical design decisions, and supervising a skilled team to deliver innovative solutions that enhance community infrastructure a...

Yesterday

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

$80K - $95K *

Manage complex water/wastewater engineering projects, ensuring design integrity and compliance. Lead a small team, make critical decisions, and apply advanced engineering techniques to deliver effecti...

Yesterday

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

$80K - $95K *

Join us to lead complex water/wastewater engineering projects, making critical design decisions and supervising a dedicated team. Your expertise will drive innovative solutions and ensure project succ...

Yesterday

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

$109K - $154K *

Transform client relationships by leading the design of innovative Ultra Pure Water treatment solutions. Leverage your engineering expertise and project management skills to drive competitive proposal...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

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.