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.
$100K - $120K *
Drive budget management and project support for public health initiatives, ensuring accurate tracking, analysis, and reporting. Collaborate with leadership to enhance operational efficiency in a dynam...
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$92K - $128K *
Champion continuous improvement initiatives across North America, driving safety, quality, and cost metrics. Collaborate with teams to implement Lean Six Sigma methodologies and foster a culture of op...
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$150K - $180K *
Develop and optimize scalable web applications using TypeScript, Java, and Node.js. Collaborate with teams to deliver innovative AI-powered solutions while ensuring code quality and performance in a d...
2 weeks ago
$150K - $180K *
Shape the future of AI evaluation by leading rigorous methodologies, collaborating with engineers, and mentoring teams to ensure accurate assessments that drive product innovation and market standards...
1 week ago
$110K - $130K *
Develop technical requirements for utility-scale battery energy storage systems. Collaborate with engineering teams to ensure compliance with industry standards and project specifications while drivin...
2 weeks ago
Senior Logistics Process Engineer
$110K - $130K *
Drive logistics innovation by optimizing end-to-end processes for large-scale data centers. Leverage engineering expertise to enhance efficiency, safety, and scalability in warehouse operations and ma...
2 weeks ago
$98K - $167K *
Join a team accelerating the modernization of a federal agency's data ecosystem. Implement technical controls for data quality, collaborate with stakeholders, and enhance cloud-based analytics capabil...
3 weeks ago
Senior Machine Learning Engineer
$138K - $165K *
Join a team that's driving innovation in machine learning applications. You'll design and build optimization solutions, leveraging AI to enhance performance and reliability while collaborating across...
2 weeks ago
$110K - $150K *
Transform your career by architecting scalable software solutions that empower users globally. Collaborate with cross-functional teams to enhance platform functionality and performance while driving i...
1 week ago
Senior Financial Analyst (Clinical Solutions)
$95K - $115K *
Join a team that's dedicated to financial excellence, supporting project teams in clinical trials. You'll analyze budgets, manage general ledger functions, and ensure accurate financial reporting whil...
3 weeks ago
Bolting Solutions Sales Engineer
$110K - $120K *
Develop your career by providing technical support and consulting to ensure successful customer integration of complex bolting solutions. Collaborate with teams to meet customer needs through effectiv...
1 week ago
$82K - $124K *
Lead the charge in managing projects from inception to completion, ensuring alignment with organizational goals. Collaborate with cross-functional teams to deliver high-quality results while developin...
4 weeks ago
Senior Architect (Licensed Building Architect), Data Centers - Remote (U.S.)
$110K - $130K *
Lead architectural design for large-scale hyperscale cloud data centers, overseeing projects from concept to completion. Collaborate with diverse teams to deliver innovative, compliant, and efficient...
3 weeks ago
$125K - $135K *
Unlock your potential by leading SharePoint solutions and migrations. Collaborate with teams to design, develop, and support secure, scalable environments while modernizing legacy applications and pro...
Today
$88K - $105K *
Drive procurement excellence by managing supplier relationships and purchasing activities across diverse categories. Collaborate with cross-functional teams to ensure timely delivery, competitive pric...
5 days ago
$80K - $95K *
Join us in shaping the future of talent acquisition by attracting top-tier candidates and enhancing the hiring experience. Collaborate with hiring managers to develop effective recruitment strategies...
Reposted 1 week ago
Senior Strategic Automation Project Manager
$115K - $150K *
Engage in strategic automation initiatives to enhance manufacturing capabilities, leading complex projects from concept to execution. Collaborate with cross-functional teams to drive innovation and al...
3 weeks ago
Sales Representative, P&HS NA, Great Lakes
$110K - $125K *
Elevate the paper manufacturing sector by driving sales and fostering relationships with key accounts. Leverage your expertise to identify and implement effective chemical applications that enhance ef...
Reposted 3 weeks ago
Software Development Engineer III, MuleSoft
$127K - $213K *
Transform integration solutions by designing and developing robust MuleSoft applications. Collaborate with cross-functional teams to ensure high-quality delivery and optimize performance while mentori...
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Product Engineer II - Web Services
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Elevate progress at the forefront of ArcGIS Hub by transforming customer workflows, communicating priorities, and enhancing geospatial collaboration through innovative product management...
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$110K - $172K *
Transform project execution by managing integrated schedules for capital projects, ensuring strategic alignment throughout their lifecycle. Collaborate with cross-functional teams to drive results and...
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Solutions Engineer, Federal (U.S. Navy)
$245K - $260K *
Lead technical strategies for U.S. Navy accounts, enhancing digital performance and visibility. Collaborate with sales teams to deliver tailored solutions, addressing complex challenges in observabili...
3 days ago
$95K - $115K *
Champion the monthly close process, ensuring accuracy and scalability across multi-entity operations while driving continuous improvement and automation in accounting practices...
3 weeks ago
Senior Engagement Principal | Software Delivery
$212K - $222K *
Champion client success as you lead Aera solution deployments, building trusted relationships with executives to drive value and Decision Intelligence roadmaps while managing project delivery and fost...
Reposted 4 days ago
Retirement Plans Specialist (St. Louis, MO)
$84K - $127K *
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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.