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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$120K - $150K *

Transform water infrastructure through innovative design and project leadership. Oversee complex projects, mentor teams, and ensure compliance with regulations while driving business development and t...

Today

  •   8 - 10 years exp.  •   Technical Services

$120K - $150K *

Shape the future of water infrastructure by leading complex design projects, mentoring teams, and ensuring compliance with regulations. Collaborate with clients to deliver innovative solutions while a...

Today

  •   8 - 10 years exp.  •   Technical Services

$120K - $150K *

Empower sustainable infrastructure by leading complex water design projects, mentoring teams, and ensuring compliance with regulations. Drive innovation and excellence in engineering practices while s...

Today

  •   8 - 10 years exp.  •   Technical Services

$130K - $155K *

Join a dynamic team to lead the design and scaling of innovative electrochemical reactors, driving advancements in water treatment technology from concept to commercial deployment while collaborating...

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$80K - $95K *

Shape the future of manufacturing by providing technical leadership and process expertise. Collaborate cross-functionally to enhance safety, quality, and efficiency while driving continuous improvemen...

4 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$125K - $150K *

Transform business development and project management strategies to enhance infrastructure solutions for municipalities and industrial clients, ensuring compliance and sustainability while leading a d...

5 days ago

  •   15+ years exp.  •   Real Estate & Construction

$95K - $115K *

Shape the future of water and wastewater projects by leading design and management efforts, collaborating with diverse clients, and mentoring team members to deliver innovative solutions in the Mid-At...

Reposted 6 days ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$96K - $106K *

Transform chemical processes for nuclear fuel cycle operations, driving innovation and efficiency in a multidisciplinary environment. Collaborate with teams to develop and optimize engineering solutio...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Join a team that's tackling complex water resources challenges across Texas. Engage in innovative planning and engineering projects, collaborating with diverse professionals to deliver strategic solut...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Innovate solutions in water resources management by leading multi-disciplinary teams on diverse projects. Engage in technical evaluations, feasibility studies, and strategic planning to enhance water...

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$95K - $115K *

Accelerate the planning and delivery of innovative water resources engineering solutions, collaborating with multidisciplinary teams on municipal and urban development projects, ensuring compliance an...

Toronto, ONIn-Person

3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$86K - $115K *

Innovate and optimize manufacturing processes from pilot to production, collaborating with cross-functional teams to enhance product quality, efficiency, and cost-effectiveness throughout the lifecycl...

2 weeks ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$85K - $134K *

Unlock potential by providing technical support for Thermal Oxidizer and Water Recycle operations. Collaborate with cross-functional teams to enhance process performance, ensure compliance, and drive...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Business Services

$125K - $150K *

Join a team that's dedicated to precision manufacturing excellence. Collaborate across departments to manage quote flow, develop processes, and support production in a fast-paced environment serving d...

3 weeks ago

  •   5 - 7 years exp.  •   Food & Beverages

$71K - $118K *

Drive innovative engineering solutions for water and wastewater systems, ensuring compliance with regulations while mentoring junior staff and enhancing technical documentation for diverse projects...

1 week ago

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

$186K - $279K *

Lead the charge in strategic oversight of engineering and environmental services, guiding critical infrastructure investments and compliance strategies to ensure sustainable growth and operational exc...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$108K - $130K *

Lead the successful delivery of multi-million-dollar water infrastructure projects. Manage project execution, staffing, and client engagement while ensuring compliance with quality, safety, and financ...

1 week ago

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

$100K - $150K *

Transform stormwater management by leading design and analysis projects. Collaborate with diverse teams to ensure compliance with regulations while enhancing public safety and environmental resources...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Join our team to lead and manage diverse water/wastewater engineering projects, ensuring quality and compliance while fostering client relationships and mentoring junior staff. Drive critical infrastr...

3 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Join us to lead innovative water resource projects, mentor junior engineers, and ensure compliance with design standards while optimizing processes for efficiency and effectiveness across diverse proj...

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $160K *

Unlock potential by managing diverse water/wastewater projects from planning to construction. Collaborate across disciplines, ensuring projects meet timelines and budgets while fostering client relati...

2 weeks ago

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

$110K - $130K *

Unlock potential by leading complex civil engineering projects, mentoring teams, and driving client relationships. Collaborate across disciplines to deliver innovative solutions in the Water/Wastewate...

Burnaby, BCIn-Person

Today

  •   11 - 15 years exp.  •   Technical Services

$109K - $145K *

Lead the charge in managing and designing water/wastewater projects, ensuring technical excellence and client satisfaction while mentoring junior staff and supporting business development initiatives...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Join us to lead complex engineering projects, applying advanced principles and practices. You'll coordinate teams, ensure quality, and engage with clients, driving successful outcomes while fostering...

Today

  •   Less than 5 years exp.  •   Technical Services

$140K - $170K *

Lead the charge in delivering innovative drinking water projects, ensuring safe and sustainable systems. Collaborate with multidisciplinary teams to tackle evolving water quality challenges and enhanc...

Today

  •   8 - 10 years exp.  •   Finance & Insurance

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.