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Water Treatment Project Engineer

Hazen and Sawyer
Tempe, AZ Full Time
POSTED ON 4/28/2026
AVAILABLE BEFORE 5/27/2026
 


Hazen and Sawyer is seeking a Water Treatment Project Engineer for our Arizona offices located in Tempe, Tucson, and Goodyear. This role will support project engineering and management, and the development of water and potable reuse projects throughout Arizona, the Southwest and across the country.  You will be a part of the Hazen Water and Reuse practice groups engaging, collaborating, and supporting water and reuse projects, and opportunities across the country as needed

Why Hazen and Sawyer:

  • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water."
  • Our work includes planning, design, and oversight of construction of environmental infrastructure – for water, wastewater, and stormwater management.
  • We foster a work environment low on bureaucracy and high in creativity.
  • We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed.
  • We currently have over 2,000 employees in 70 offices throughout the United States, Latin America, Canada, and the UK.
  • A flexible hybrid work schedule supports today's busy professionals. 

Key Responsibilities:

  • Your role will include, project engineering/management, design, planning, operational support with a focus on water treatment / reuse and drinking water projects
  • Supporting proposal development.
  • Mentor junior drinking water staff.
  • Coordination and collaboration with clients.
  • Coordination with internal technical specialists in all practice areas and discipline design professionals for project delivery.
  • Supporting projects to meet client expectations, budgets, and quality requirements.
  • Following internal Hazen processes to ensure quality delivery of engineering projects for clients. 
  • Technical responsibility for interpreting, organizing, executing, and coordinating assignments on small to medium projects.
  • Performing planning, studies, design, and support of projects through design, construction, and operation.

Required Qualifications:

  • Bachelor's degree in civil/environmental engineering
  • PE license 
  • 5-12 years of experience in municipal water treatment, water quality, water treatment technology, or manufacturing
  • Experience in successfully delivering projects spanning multiple years in collaborative, multi-disciplinary teams 
  • Proficient in all MS Office based computer software 
  • Excellent communication and interpersonal skills, and capable of interacting effectively with staff, clients, and regulatory agencies 
  • Self-starter with attention to detail 
  • Strong organizational skills 
  • Must be capable of presenting complex issues to nontechnical people 

Preferred Qualifications:

  • Advanced degree (Master’s or Doctorate) in Civil/Environmental Engineering

What We Offer:

  • Comprehensive health benefits (medical, dental, vision, and prescription plans)
  • Pre-tax flexible spending plans for medical, dependent care, and transportation
  • Short and long-term disability, and employer paid life insurance
  • Paid holidays, floating holidays, and paid time off (PTO)
  • Employer-contributed 401(k) plan and additional financial planning support
  • Professional growth opportunities, including tuition reimbursement, in-house training, and incentives for professional registration and professional organization memberships
  • Starting pay range for this position depends on skills, experience, education and geographical location

Salary.com Estimation for Water Treatment Project Engineer in Tempe, AZ
$112,706 to $140,126
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