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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$125K - $150K *

Transform water resource management by leading a dynamic team, driving innovative solutions, and fostering client relationships in the mining and infrastructure sectors across North America...

Reposted 1 week ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$90K - $140K *

Advance your career by managing diverse water and wastewater projects, fostering client relationships, and ensuring technical excellence. Collaborate with a dynamic team to deliver impactful solutions...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$90K - $140K *

Lead the charge in managing diverse water and wastewater projects, ensuring client satisfaction and technical excellence while fostering strong relationships and driving project success across multipl...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$90K - $140K *

Drive successful project management and client development in Water & Wastewater, ensuring technical quality, profitability, and superior client relationships while overseeing multiple projects and co...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead quality assurance efforts by managing a team to ensure product excellence and compliance with industry standards through process control and continuous improvement initiatives...

Reposted 3 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Elevate quality assurance by leading a dedicated lab team to ensure compliance and excellence in asphalt modified bitumen products, utilizing statistical methods, continuous improvement, and rigorous...

Reposted 3 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$84K - $100K *

Lead the charge in maintaining and enhancing quality control systems through implementation of Lean principles and thorough analysis to ensure all products exceed industry standards and performance ex...

Reposted 3 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Lead the charge in MS4 compliance programs, managing complex projects and collaborating with stakeholders. Bring your 10+ years of engineering expertise to guide clients through evolving regulations a...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$121K *

Innovate and lead New Product Development for refrigerated merchandisers, managing projects from concept to completion. Collaborate across teams to optimize designs and validate solutions, ensuring al...

6 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$86K - $192K *

Engineer innovative semiconductor solutions, driving product development and real-time problem-solving in a dynamic environment. Collaborate with teams and customers to enhance product quality and tac...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Elevate your career by serving as a vital resource in technical and regulatory oversight, ensuring compliance and optimizing operations across Canadian facilities while mentoring teams and driving sus...

Ottawa, ONIn-Person

2 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$81K - $121K *

Accelerate progress at our manufacturing campus by leading capital projects that enhance operations and drive efficiency. Collaborate with cross-functional teams to deliver impactful results from conc...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$140K - $198K *

Lead the delivery of large-scale solid waste and municipal infrastructure programs. Manage complex projects, coordinate diverse stakeholders, and ensure successful execution of schedules, budgets, and...

6 days ago

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

$140K - $198K *

Join our team to lead large-scale solid waste and municipal infrastructure projects. Empower diverse stakeholders, manage complex programs, and ensure timely delivery while driving accountability and...

6 days ago

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

$95K - $115K *

Collaborate with engineering teams to manage complex projects, ensuring design integrity and compliance with standards while coordinating with stakeholders and maintaining project schedules and record...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$132K - $165K *

Shape the future of municipal water and wastewater engineering by leading a new practice. Drive growth, establish standards, and foster client relationships while delivering high-quality projects that...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Join a team that's dedicated to enhancing manufacturing processes and product quality. As a Process Engineer, you'll collaborate cross-functionally to drive improvements, ensuring operational efficien...

6 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Elevate your career by managing diverse projects from inception to completion. Collaborate with clients and multidisciplinary teams to ensure successful execution, while driving technical and commerci...

Calgary, ABIn-Person

6 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$114K - $143K *

Innovate by leading water and wastewater projects from inception to completion. Manage client relationships and foster technical growth while securing funding and delivering high-quality engineering s...

Reposted 2 days ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Drive the success of complex water treatment projects by leading a skilled team, ensuring quality, safety, and adherence to budget and schedule while effectively communicating with stakeholders throug...

Today

  •   8 - 10 years exp.  •   Energy & Utilities

$100K - $120K *

Lead complex water treatment projects by guiding a skilled team, ensuring quality, safety, and adherence to scope, schedule, and budget while effectively communicating with stakeholders and managing e...

Oakville, ONIn-Person

2 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$108K - $130K *

Manage complex water treatment projects, ensuring quality, safety, and adherence to scope, schedule, and budget. Collaborate with engineers and stakeholders to drive project success from initiation to...

Today

  •   8 - 10 years exp.  •   Energy & Utilities

$90K - $130K *

Join a team that's shaping the future of transportation by managing complex highway projects. Leverage your engineering expertise to deliver innovative designs and collaborate across disciplines in a...

2 weeks ago

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

$90K - $130K *

Shape the future of transportation engineering by leading design projects, collaborating with multidisciplinary teams, and ensuring quality and efficiency in roadway and bridge projects while mentorin...

2 weeks ago

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

$100K - $120K *

Lead multidisciplinary water resources engineering projects, focusing on groundwater development and water supply planning. Collaborate with clients and mentor junior engineers while ensuring regulato...

5 days ago

  •   11 - 15 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.