Water/Wastewater Engineering Internship

Hazen and Sawyer
Buffalo, New York, United StatesPosted Sep 15, 2026
Year-round

About the role

Work Setting: In-person (All in office/field)

Hazen is seeking summer, fall, or year-round interns for a variety of water-related assignments in our Buffalo office. The successful candidate will be involved in a wide range of drinking water, wastewater, stormwater, and/or conveyance projects. This opportunity includes working within one (or more) of Hazen's discipline groups, which include: CAD/BIM, civil, electrical, HVAC/plumbing/fire protection, instrumentation and controls,

process mechanical, structural, or architectural. Responsibilities include integrating with design teams from initial studies and conceptual design through construction of pipelines, pump stations, and/or treatment facilities and attending field investigations and site visits.

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 100+ offices throughout the United States, Latin America, Canada, and the UK.
  • A flexible hybrid work schedule supports today's busy professionals.
  • This position may include working in our Rochester office.

Key Responsibilities

  • Participate in fieldwork, site visits (mostly in-state) and potential client meetings; capable of walking around outdoors in cold/inclement environments.
  • Assist in preparing engineering deliverables, including sampling studies, condition assessments, process modeling, hydraulics, and design reports.
  • Work directly with experienced engineering team providing me

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