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Senior Wastewater Engineer Jobs (NOW HIRING)

Carollo Engineers Inc.

Senior Wastewater Engineer

Portland, OR · On-site

$110K - $152K/yr

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and ...

HDR

Senior Wastewater Engineer

Madison, WI · On-site

$105K - $144K/yr

In the role of Wastewater Professional Engineer, we'll count on you to: * Coordinate the work of the wastewater design team through the schematic design development and contract document phase of a ...

HDR

Senior Wastewater Engineer

Madison, WI

$105K - $144K/yr

In the role of Wastewater Professional Engineer, we'll count on you to: * Coordinate the work of the wastewater design team through the schematic design development and contract document phase of a ...

HDR

Senior Wastewater Engineer (PE)

Boise, ID · On-site

$99K - $136K/yr

In the role of Senior Wastewater Engineer, we'll count on you to: * Independently create detailed designs, plans, specifications and estimates for pipelines, pump stations, treatment plants, tanks ...

ISG

Senior Water/Wastewater Engineer

Saint Louis Park, MN · On-site

$70K - $190K/yr

Senior Water/Wastewater Engineer Department: Water/Wastewater Employment Type: Full Time Location: St. Louis Park, MN Compensation: $70,000 - $190,000 / year Description Founded in 1973, ISG is a ...

ISG

Senior Water/Wastewater Engineer

Storm Lake, IA · On-site

$70K - $190K/yr

Senior Water/Wastewater Engineer Department: Water/Wastewater Employment Type: Full Time Location: Storm Lake, IA Compensation: $70,000 - $190,000 / year Description Founded in 1973, ISG is a multi ...

ISG

Senior Water/Wastewater Engineer

Des Moines, IA · On-site

$70K - $190K/yr

Senior Water/Wastewater Engineer Department: Water/Wastewater Employment Type: Full Time Location: Des Moines, IA Compensation: $70,000 - $190,000 / year Description Founded in 1973, ISG is a multi ...

ISG

Senior Water/Wastewater Engineer

Sioux Falls, SD · On-site

$70K - $190K/yr

Senior Water/Wastewater Engineer Department: Water/Wastewater Employment Type: Full Time Location: Sioux Falls, SD Compensation: $70,000 - $190,000 / year Description Founded in 1973, ISG is a multi ...

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Senior Wastewater Engineer information

See salary details

$59.5K

$126.6K

$183.5K

How much do senior wastewater engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior wastewater engineer in the United States is $126,557.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,500.00 per year, depending on experience, location, and employer.

What are some common challenges a senior wastewater engineer faces when managing large-scale projects?

Senior Wastewater Engineers often encounter challenges such as coordinating multidisciplinary teams, addressing regulatory compliance issues, and balancing project budgets and timelines. Navigating complex permitting processes and ensuring designs meet evolving environmental standards requires strong technical and communication skills. Additionally, managing stakeholder expectations—including clients, government agencies, and the public—can be demanding but is essential for project success.

What is the difference between Senior Wastewater Engineer vs Wastewater Project Engineer?

AspectSenior Wastewater EngineerWastewater Project Engineer
Required CredentialsBachelor's degree in Civil or Environmental Engineering; Professional Engineer (PE) license often preferredBachelor's degree in Civil or Environmental Engineering; PE license may be preferred but less common
Work EnvironmentDesign, planning, and oversight of wastewater systems; leadership roles in projectsAssists in project execution, technical support, and coordination on wastewater projects
Employer & Industry UsageConsulting firms, municipal agencies, environmental firmsEngineering firms, construction companies, municipal departments

The main difference between a Senior Wastewater Engineer and a Wastewater Project Engineer lies in experience, responsibilities, and leadership. Senior Wastewater Engineers typically have more experience, hold a PE license, and oversee entire projects or teams. Wastewater Project Engineers focus on supporting project tasks and technical execution. Both roles are essential in wastewater industry projects, but the senior position involves greater oversight and strategic planning.

What are the key skills and qualifications needed to thrive as a senior wastewater engineer?

To thrive as a Senior Wastewater Engineer, you need a strong background in civil or environmental engineering, thorough knowledge of wastewater treatment processes, and typically a Professional Engineer (PE) license. Familiarity with design software like AutoCAD, hydraulic modeling tools, and regulatory compliance systems is crucial. Outstanding project management, leadership, and communication skills distinguish top performers in this role. These skills ensure effective design, implementation, and oversight of complex projects that protect public health and the environment.

What does a senior wastewater engineer do?

A Senior Wastewater Engineer is responsible for designing, planning, and overseeing projects related to the treatment and disposal of wastewater. They ensure that systems comply with environmental regulations and work efficiently to protect public health and the environment. Their duties often include project management, supervising junior engineers, conducting site inspections, and collaborating with stakeholders to develop sustainable solutions. Additionally, they may be involved in upgrading existing facilities and implementing innovative treatment technologies.
More about Senior Wastewater Engineer jobs
What cities are hiring for Senior Wastewater Engineer jobs? Cities with the most Senior Wastewater Engineer job openings:
What are the most commonly searched types of Wastewater Engineer jobs? The most popular types of Wastewater Engineer jobs are:
What states have the most Senior Wastewater Engineer jobs? States with the most job openings for Senior Wastewater Engineer jobs include:
What job categories do people searching Senior Wastewater Engineer jobs look for? The top searched job categories for Senior Wastewater Engineer jobs are:
Senior Wastewater Engineer jobs near you
Infographic showing various Senior Wastewater Engineer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 2% Part Time, and 5% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $126,557 per year, or $60.8 per hour.

Senior Wastewater Engineer

Solid Rock Recruiting LLC

Sioux Falls, SD

Full-time

Posted 22 days ago

Job description

Water/Wastewater Engineer - Sioux Falls, SD
PE Required
Solid Rock Recruiting is looking for a candidate to join a full-service engineering, EPC, landscape architecture, and land surveying firm with experience serving communities and private clients across the region. We are currently seeking a Water/Wastewater Engineer to join our growing team in Sioux Falls, South Dakota.
This role is ideal for a licensed professional engineer who specializes in the planning, design, and management of water-related infrastructure and systems. They should be passionate about water-related projects and ready to lead project teams in a collaborative, fast-paced environment.
Key Responsibilities

In this position, you will:
  • Conduct studies to assess water needs, analyze population and demand data, and design infrastructure such as storage reservoirs, pumping stations, water treatment plants, and distribution networks
  • Oversee the full lifecycle of water projects, including budgeting, scheduling, and coordination with multidisciplinary teams, contractors, consultants, and government agencies
  • Ensure safe drinking water by designing and managing treatment processes, monitoring water quality, and implementing pollution control measures
  • Prepare design drawings, specifications, technical reports, and tender documents; manage bids and proposals for water-related projects
  • Assist with or function as the Project Manager for the design and development of water-related projects
  • Assist with contract administration for water-related projects
  • Provide project oversight to ensure on-time delivery and high-quality results
  • Develop and strengthen relationships with both new and existing clients
What We Are Looking For
  • Bachelor's degree in civil, environmental, or water resources engineering; advanced degrees or certifications are beneficial
  • Licensed Professional Engineer (PE) in South Dakota or eligible for licensure
  • Minimum of 10 years of relevant water engineering experience is preferred
  • Proficiency in design codes, water modeling software, AutoCAD, and Microsoft Office
  • Demonstrated ability to manage multiple projects and meet deadlines
  • Excellent analytical, organizational, and communication skills
  • Self-motivated and able to work independently or in a small team setting
  • Proven record of successful, long-term employment