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Water/Wastewater Engineer

Hazen and Sawyer
Silver, MD Full Time
POSTED ON 10/23/2026
AVAILABLE BEFORE 11/20/2026

Hazen is seeking a qualified and experienced Principal Engineer/Sr. Principal Engineer for our Silver Spring, MD office.

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

Key Responsibilities

  • Leading and delivering municipal water, wastewater, and stormwater facilities planning and design projects.
  • Task responsibilities will include preparation of assessment and design reports, performing design calculations, equipment sizing/selection, preparation of construction documents, and support of construction management/commissioning needs.
  • Field work and site visits from planning through construction and commissioning will be required.

Required Qualifications

  • 5-10 years of water and wastewater conveyance and/or treatment design experience is required.
  • Bachelor's degree in civil, mechanical, or environmental engineering is required.

Preferred Qualifications

  • Experience in project management for smaller projects is preferred.
  • Self-starter with attention to detail.
  • PE License is required or ability to obtain licensure within one year.

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 : $95,000 - $140,000

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