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 *

Transform operations by leading daily activities at the slag grinding plant, ensuring safety, efficiency, and quality. Collaborate with teams to enhance production, minimize downtime, and develop empl...

Reposted 3 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$120K - $187K *

Elevate your career by leading our Surface Water Practice in Alaska. Drive technical excellence, manage diverse projects, and mentor a talented team while fostering client relationships and ensuring i...

Today

  •   11 - 15 years exp.  •   Technical Services

$120K - $187K *

Lead the charge in advancing Alaska's Surface Water Practice by managing diverse water resources projects, providing technical guidance, and fostering team development while ensuring client satisfacti...

Today

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Lead the charge in innovative stormwater management projects, guiding a talented team while delivering high-quality solutions for diverse clients. Drive collaboration across disciplines and mentor the...

Today

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

$95K - $115K *

Lead the charge in innovative stormwater management projects, guiding a talented team while delivering high-quality solutions for diverse clients. Engage in business development and community outreach...

1 week ago

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

$100K - $120K *

Lead the charge in overseeing wastewater treatment projects for hyperscale data centers, ensuring timely delivery and compliance with performance standards. Collaborate with contractors and stakeholde...

1 week ago

  •   5 - 7 years exp.  •   Staffing

$110K - $130K *

Accelerate progress at municipal utility districts by leading engineering services, managing multidisciplinary teams, and providing strategic guidance on infrastructure projects while ensuring complia...

3 weeks ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$110K - $166K *

Lead the charge in optimizing plant engineering and maintenance operations, ensuring compliance with environmental standards while fostering a safe and efficient work environment through effective tea...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Empower your career by joining a dynamic team to lead complex civil engineering projects. Collaborate with multidisciplinary experts to design and implement innovative transportation solutions that en...

Los Angeles, CARemote

4 weeks ago

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

$105K - $184K *

Champion innovative water treatment solutions by leading design teams and ensuring compliance with regulations. Collaborate with clients and mentor junior staff to enhance project delivery and technic...

3 weeks ago

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

$120K - $211K *

Champion innovative water treatment solutions by leading design teams and ensuring compliance with regulations. Engage with clients and mentor junior staff while delivering complex projects that enhan...

3 weeks ago

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

$80K - $95K *

Shape the future of water operations by leading a dedicated team to ensure high-quality water delivery, regulatory compliance, and operational efficiency while fostering a culture of safety and collab...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$117K - $134K *

Join a team that's dedicated to delivering innovative water resources solutions. Collaborate with multidisciplinary experts to manage projects from proposal to completion, ensuring high-quality outcom...

Vernon, BCHybrid

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$111K - $151K *

Drive innovation in food processing by applying engineering principles to optimize dairy systems. Collaborate with cross-functional teams to support projects from design to commissioning, ensuring eff...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Advance your career by leading project teams in civil engineering, managing budgets, schedules, and client interactions while ensuring quality control and mentoring staff in a dynamic waste management...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$85K - $102K *

Unlock potential by leading project engineering efforts, ensuring quality and compliance while developing innovative solutions. Collaborate with teams to execute plans, prepare proposals, and communic...

3 weeks ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$80K - $95K *

Lead quality initiatives and validation processes in a dynamic manufacturing environment, ensuring product excellence and compliance while fostering collaboration between customers and production team...

Yesterday

  •   Less than 5 years exp.  •   Energy & Utilities

$95K - $115K *

Champion innovative environmental remediation projects, leading multidisciplinary teams to deliver sustainable solutions. Drive client engagement and project management across the Midwest, ensuring co...

4 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$147K - $202K *

Unlock potential by designing and optimizing manufacturing processes in semiconductor and display technologies. Collaborate with R&D teams, analyze data, and troubleshoot engineering issues to drive i...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$100K - $120K *

Grow your career with a dynamic team leading complex environmental remediation projects. As a Senior Project Manager, you'll drive project delivery, mentor staff, and collaborate with experts to tackl...

4 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in managing complex environmental remediation projects, providing technical and project leadership while fostering client relationships and mentoring a multidisciplinary team across th...

4 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$147K - $202K *

Champion innovative manufacturing processes by analyzing data, troubleshooting issues, and collaborating with R&D teams. Drive advancements in semiconductor and display technologies while engaging wit...

4 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$147K - $202K *

Elevate your career by designing and optimizing manufacturing processes for display and semiconductor technologies. Collaborate with leading experts, analyze data, and drive innovation in a dynamic an...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$147K - $202K *

Lead the charge in optimizing manufacturing processes for display and semiconductor technologies. Collaborate with R&D teams, analyze data, and troubleshoot engineering issues to drive innovation and...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$94K - $141K *

Drive your career with a dynamic team focused on innovative mechanical design. Collaborate closely with customers to develop cutting-edge Coolant Distribution Units, ensuring high performance and reli...

2 weeks ago

  •   5 - 7 years exp.  •   Pharmaceuticals & Biotech

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.