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Wastewater Project Engineer (Mid-Level)

Hazen and Sawyer
Concord, CA Full Time
POSTED ON 5/19/2026
AVAILABLE BEFORE 11/14/2026
Hazen and Sawyer is seeking a Wastewater Project Engineer for our Sacramento, California office. As part of our design and process teams, you will be involved with a wide range of wastewater infrastructure projects. This will encompass all phases of design, including conceptual/feasibility evaluations, project management, preparation of design reports, permitting, development of construction drawings and specifications, and support of construction services.

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 2,400 employees in 90 offices throughout the United States, Latin America, Canada, and the UK.
  • A flexible hybrid work schedule supports today's busy professionals.
  • The Sacramento Hazen office is a welcoming, growing team made up of both young professionals and experienced staff who enjoy staying connected through year-round activities outside the office.
  • With a central location, the office offers easy access to nearby communities and flexible living options.
  • Employees also benefit from close proximity to the San Francisco Bay Area and destinations including Lake Tahoe and Napa Valley.

Key Responsibilities

  • Support the development of technical treatment strategies, selection of treatment processes, developing process design criteria, and delivering projects
  • Support coordination and collaboration with clients
  • Coordination with internal technical specialists in all practice areas and discipline design professionals for project delivery.
  • Support planning, design, permitting, and construction of wastewater-related projects.
  • Manage project tasks, scope, and schedules for smaller projects or specific components of larger projects to meet client requirements
  • Prepare comprehensive construction documents including drawings and specifications for wastewater treatment projects
  • Perform detailed design calculations for typical liquid and solids treatment processes
  • Lead technical writing for technical memorandum, master plans, basis of design reports and preliminary design reports
  • Experience working with interdisciplinary teams to effectively meet the client’s needs
  • Candidate shall also be able to support preparation of proposals and presentations
  • Provide engineering services during construction, including responding to RFIs (Request for Information), reviewing submittals, and conducting site visits to observe progress
  • Fieldwork and site visits from planning through construction may be required with occasional travel
  • Mentor junior staff and perform quality control reviews of their technical work

Required Qualifications

  • Bachelor's degree in civil/environmental engineering
  • PE license (California preferred)
  • 5-12 years of experience in the field of wastewater-related infrastructure, including project engineering/management (planning, design, and construction)
  • Experience in successfully delivering and supporting 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
  • Proven proficiency in technical writing and documentation
  • 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
  • Hands-on experience with design modeling software (e.g., Revit or AutoCAD)

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 : $135,000 - $160,000

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