Senior water and wastewater engineers help communities and organizations plan, design, and improve the systems that deliver clean water and safely manage wastewater. These experienced professionals lead technical work across treatment plants, pipelines, pump stations, and other critical infrastructure. Explore vetted senior engineering opportunities on Ladders, including roles with salaries of $100,000 or more.
Responsibilities vary by employer and project, but senior engineers commonly evaluate existing systems, develop engineering plans, prepare technical reports, and guide projects from early studies through construction. They may oversee process, civil, or hydraulic design; review calculations and drawings; coordinate permitting; and support construction administration and commissioning. Many roles also involve mentoring engineers and working closely with clients, utilities, contractors, and regulators.
Employers typically seek a degree in civil, environmental, or a related engineering field, along with substantial experience in water or wastewater projects. A Professional Engineer (PE) license is often preferred or required, particularly for roles that involve approving engineering work. Valuable qualifications include knowledge of treatment processes, hydraulic modeling, design standards, regulatory requirements, project management, and technical communication.
Senior water/wastewater engineers work for engineering consultancies, water utilities, public agencies, and infrastructure organizations. Depending on the employer, they may specialize in drinking water treatment, wastewater treatment, collection and distribution systems, reuse, stormwater, or resilient infrastructure. Experienced engineers can advance into principal engineer, technical director, department manager, or project executive positions.
Search Ladders for senior water and wastewater engineering roles that match your expertise, location, and career goals. Ladders focuses on vetted professional opportunities paying $100,000 or more, helping experienced engineers explore their next career move.
Water & Wastewater Project Engineer
$130K - $160K *
Empower the future of water infrastructure by leading innovative projects in planning, design, and delivery. Collaborate with multidisciplinary teams to tackle complex challenges while ensuring qualit...
2 weeks ago
Water & Wastewater Project Engineer
$80K - $95K *
Analyze and deliver innovative water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to ensure compliance and quality while mentoring junior engineers and driving succ...
1 week ago
Water & Wastewater Project Engineer
$130K - $165K *
Lead the charge in planning and delivering innovative water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to enhance community sustainability and ensure compliance w...
2 weeks ago
Water & Wastewater Project Engineer
$120K - $150K *
Transform community infrastructure by leading innovative water/wastewater projects. Collaborate with multidisciplinary teams to design and deliver sustainable solutions, while mentoring junior staff a...
2 weeks ago
Water & Wastewater Project Engineer
$88K - $105K *
Drive innovative solutions in water/wastewater engineering, managing projects from design to execution. Collaborate with multidisciplinary teams to enhance community infrastructure and ensure environm...
2 weeks ago
Water & Wastewater Project Engineer
$130K - $160K *
Empower progress at essential water infrastructure projects, collaborating with multidisciplinary teams to design, analyze, and deliver innovative solutions for water and wastewater systems while ment...
2 weeks ago
Water & Wastewater Project Engineer
$130K - $160K *
Elevate your career by leading water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to design and deliver essential solutions while mentoring junior engineers and enh...
2 weeks ago
Water & Wastewater Project Engineer
$130K - $160K *
Unlock your potential as you drive the planning and design of vital water infrastructure projects. Collaborate with multidisciplinary teams to deliver innovative solutions that enhance community resou...
2 weeks ago
Water & Wastewater Project Engineer
$130K - $160K *
Join a team that's dedicated to enhancing water infrastructure projects across California. Leverage your engineering expertise to design, deliver, and manage essential water and wastewater systems whi...
2 weeks ago
Water & Wastewater Project Engineer
$130K - $160K *
Develop innovative water and wastewater infrastructure solutions, collaborating with multidisciplinary teams to ensure project success. Engage in design, analysis, and client relations while mentoring...
2 weeks ago
Senior Civil Engineer - Water Projects
$95K - $115K *
Lead impactful civil engineering projects, managing teams and collaborating across regions to enhance water infrastructure and resources. Drive business development while mentoring staff and ensuring...
2 days ago
Experienced Water/Wastewater Project Engineer
$88K - $105K *
Join a dynamic team to lead innovative water and wastewater projects, ensuring exceptional client service and project delivery. Collaborate with experts to shape sustainable solutions and drive succes...
1 week ago
Senior Structural Engineer (Water Management)
$80K - $132K *
Champion your career by delivering innovative structural engineering solutions for climate adaptation projects, focusing on flood risk reduction and infrastructure resilience. Collaborate with diverse...
4 days ago
Senior Structural Engineer (Water Management)
$80K - $132K *
Lead the charge in delivering innovative structural engineering solutions for climate adaptation projects, focusing on flood risk reduction and infrastructure resilience while collaborating with multi...
4 days ago
Urban Water Resources Engineer
$80K - $95K *
Shape the future of urban water systems by leading hydraulic and hydrologic modelling projects. Collaborate with teams across North America to optimize wastewater, stormwater, and potable water system...
Today
Urban Water Resources Engineer
$80K - $95K *
Champion urban water systems by leading hydraulic and hydrologic modelling projects. Collaborate with teams to assess and optimize wastewater, stormwater, and potable water systems, ensuring high-qual...
Today
Urban Water Resources Engineer
$80K - $95K *
Lead the charge in hydraulic and hydrologic modelling for urban water systems, focusing on wastewater and stormwater management. Collaborate with teams to assess and optimize infrastructure, ensuring...
Today
Urban Water Resources Engineer
$80K - $95K *
Reimagine your career by leading hydraulic and hydrologic modelling projects. Collaborate with experts to enhance urban water systems, focusing on wastewater, stormwater, and potable water distributio...
Today
Urban Water Resources Engineer
$80K - $95K *
Transform urban water systems by leading hydraulic and hydrologic modelling projects. Collaborate with teams across North America to assess and optimize wastewater, stormwater, and potable water syste...
Today
Urban Water Resources Engineer
$80K - $95K *
Lead hydraulic and hydrologic modelling for urban water systems, focusing on wastewater and stormwater. Collaborate with teams to assess and optimize infrastructure, providing technical guidance and m...
Today
$100K - $120K *
Elevate your career as a Senior Hydrogeologist, leading diverse projects and collaborating with multi-disciplinary teams to deliver high-quality solutions while fostering a strong safety culture and s...
Today
$100K - $120K *
Bring your expertise to a dynamic team as a Senior Hydrogeologist, leading diverse projects, mentoring staff, and ensuring high-quality hydrogeological solutions while promoting safety and client enga...
Today
$100K - $120K *
Lead hydrogeology projects and collaborate with multi-disciplinary teams to deliver innovative solutions. Utilize your expertise to develop models, manage field programs, and ensure high-quality resul...
Today
Senior Civil Water/Wastewater Engineer - Project Manager
$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
$100K - $140K *
Innovate in water and wastewater engineering by planning, designing, and delivering essential systems. Collaborate with teams to enhance project outcomes while mentoring junior staff and driving techn...
2 weeks ago
What does a senior water/wastewater engineer do?
A senior water/wastewater engineer plans and leads engineering work for water and wastewater infrastructure. Duties may include treatment process and pipeline design, hydraulic analysis, technical reviews, permitting support, project management, and mentoring engineering teams.
What qualifications are typically required for senior water/wastewater engineer jobs?
Employers commonly require a bachelor's degree in civil, environmental, or a related engineering discipline and significant relevant project experience. A Professional Engineer (PE) license is frequently preferred or required, depending on the position and jurisdiction.
Where do senior water/wastewater engineers work?
They work for engineering consulting firms, water and wastewater utilities, government agencies, and infrastructure companies. Projects can involve treatment facilities, pipelines, pump stations, water reuse, stormwater, and system upgrades.
Do senior water/wastewater engineers need a PE license?
Many senior roles prefer or require a PE license, especially when the engineer is responsible for approving or sealing designs. Requirements vary by employer, project responsibilities, and state or local regulations.
What is the salary for a senior water/wastewater engineer?
Pay varies based on location, experience, licensure, employer, and project scope. Ladders features vetted professional jobs paying $100,000 or more, including qualifying senior water and wastewater engineering opportunities.