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Senior Wastewater Engineer Jobs in Phoenix, AZ (NOW HIRING)

Wood Plc

Senior Water / Wastewater Engineer

Phoenix, AZ · On-site

$103.80K - $142.50K/yr

Overview / Responsibilities Overview Wood has a career opportunity for a Senior Water/Wastewater Engineer to join our Design Center in Phoenix, AZ that supports both municipal and industrial projects ...

WSP

Lead Water / Wastewater Engineer-SW Region

Tempe, AZ · On-site

$111.20K - $198.22K/yr

This would be great opportunity for a Senior Engineer to expand project management skills. Our team ... Create detailed designs of water and wastewater treatment, water conveyance systems and wastewater ...

WSP

Lead Water / Wastewater Engineer-SW Region

Tempe, AZ · On-site

$111.20K - $198.22K/yr

This would be great opportunity for a Senior Engineer to expand project management skills. Our team ... Create detailed designs of water and wastewater treatment, water conveyance systems and wastewater ...

Ardurra

Senior Water/Wastewater Treatment Engineer

Mesa, AZ · On-site

$89.90K - $123.40K/yr

Ardurra is looking to hire an experienced Senior Water/Wastewater Treatment Engineer to join our team in our Phoenix, AZ office! Our innovative water and wastewater engineers collaborate closely with ...

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Senior Wastewater Engineer information

See Phoenix, AZ salary details

$59.1K

$125.7K

$182.2K

How much do senior wastewater engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior wastewater engineer in Phoenix, AZ is $125,660.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,800.00 and $142,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Wastewater Engineer, and why are they important?

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 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 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.

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 most commonly searched types of Wastewater Engineer jobs in Phoenix, AZ? The most popular types of Wastewater Engineer jobs in Phoenix, AZ are:
What are popular job titles related to Senior Wastewater Engineer jobs in Phoenix, AZ? For Senior Wastewater Engineer jobs in Phoenix, AZ, the most frequently searched job titles are:
What job categories do people searching Senior Wastewater Engineer jobs in Phoenix, AZ look for? The top searched job categories for Senior Wastewater Engineer jobs in Phoenix, AZ are:
Senior Wastewater Engineer jobs near you
Senior Engineer - Water/Wastewater

Senior Engineer - Water/Wastewater

Stanley Consultants

Phoenix, AZ • Hybrid

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago

Job description

Stanley Consultants is an award-winning and industry-leading global consulting engineering firm, with an unmatched commitment to culture, values, and ethics. We are dedicated to client experience and solve the most complex challenges to create a sustainable, connected, and enriched world for all. As the world changes, Stanley strategically evolves with it, integrating the latest technology, innovation, and resiliency practices.
 
With over a century of experience serving the energy, federal government, transportation, and water sectors, we have helped improve lives and shape the infrastructure systems that connect us. As an employee-owned organization with a People First approach, we stand apart from other engineering consulting and services firms. At Stanley, your voice counts, your growth matters, and your success is our success.
 
Stanley Consultants offers flexible work options, competitive pay and great benefits, a strong sense of community, and the chance to build a meaningful, long-term career!

Job title - Senior Engineer, Water/Wastewater
Location - Phoenix, AZ
Job type - Hybrid
Requisition ID - 11218
 

Stanley Consultants is seeking a Senior Water/Wastewater Engineer / Senior Project Manager for our Phoenix, AZ office. Stanley Consultants is actively working in the Water/Wastewater Market in Arizona and needs additional leadership to maintain our current market presence while assisting our existing team to build Stanley's water market presence. In doing so, this position will lead and deliver water, wastewater, and groundwater projects in the State of Arizona. This individual will be responsible for the development and management of all aspects of municipal water and wastewater utility system project planning, design, and services during construction.

This position will have an Arizona network of water/wastewater related connections and regional expertise in one or more of the following:
  • Water distribution, transmission, and storage
  • Water treatment
  • Wastewater conveyance and peak weather flow infrastructure
  • Wastewater treatment
  • Water Reuse
  • Pump Stations
  • Hydraulic modeling
  • Asset management
  • Risk and resiliency consulting and design
  • Smart water system planning, design, and implementation
  • Data analytics, GIS, process automation, dynamic system modeling, and smart water system planning, design, and implementation
What You Will Be Doing:
  • Leading teams in the delivery of water/wastewater projects.
  • Participation in local professional organizations, preparing, and presenting market specific papers and presentations.
  • Work in collaboration with other disciplines (civil, mechanical, electrical, I&C, structural, and CAD) in producing plans and specifications.
  • Assisting in marketing business opportunities with key clients and development of responses to RFPs/RFQs.
  • Providing marketing and support during the procurement and execution of projects.
  • Developing and maintaining long-term relationships with clients.
  • Consistently managing and delivering projects on time and within budget.
  • Desire and ability to manage and mentor staff.
Required Qualifications:
  • Bachelor of Science (BS) degree in either Civil Engineering, or Environmental Engineering.
  • A minimum of 10 years of relevant experience.
  • Professional Engineer (PE) license in Arizona is required or ability to obtain within 6 months of hire date.
  • Arizona network of water/wastewater professionals/contacts.
  • Regional and technical expertise in water and wastewater engineering.
  • Active participation in professional organizations.
  • Strong verbal, computer, and organizational skills.
  • Excellent technical writing skills.
  • Strong client relationship skills.
  • Excellent design team leadership skills.
Work-Life Balance
We realize there's more to life than just work. We help you meet the demands of work, family and personal life through several flexible options.
 
What we offer:
Member-Owned. Member-ownership is at the heart of our culture, aligning client satisfaction, company performance, and personal reward.
Paid Time Away. Stanley Consultants offers numerous paid holidays, generous paid time off (PTO), parental leave, and professional development leave.
Health Insurance. We provide a comprehensive insurance package including medical, dental, vision, FSA, HSA, Doctor On Demand, wellness reimbursement, and mental health resources.
Financial Health. We offer life insurance, short- and long-term disability insurance, identity theft protection, and many other benefits.
Professional Growth. When your skills grow, so do we, which is why we offer tuition assistance, professional society membership, and more.
Financial Rewards. We share our prosperity with members through company stock ownership, a generous 401K match, incentive compensation, and profit-sharing contributions to retirement 401K plans.
Click Here: A Great Place To Work  
 
Learn more about Stanley Consultants in this short video:  Working at Stanley Consultants
 
Stanley Consultants does not welcome unsolicited resumes from staffing and recruiting agencies. Any unsolicited resumes submitted to Stanley Consultants, including but not limited to resumes submitted directly to Stanley Consultants members, or any of our representatives, will be deemed the property of Stanley Consultants.
 
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
 
The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)
 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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