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Posted July 27, 2026

Senior Wastewater Engineer

Hazen and Sawyer
Wethersfield, CT, US Full Time

Job Description

Job Description

Hazen and Sawyer is seeking a Senior Wastewater Engineer for our Wethersfield, CT office. As part of our Wastewater team qualified candidates will be involved with a wide range of wastewater infrastructure projects, focusing on treatment process design and construction. 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.

Hazen and Sawyer is a stable, growing, employee-owned company where engineers and scientists are valued. We are committed to making the world a better place by providing technically superior solutions to our clients for all things water.

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:

  • Position will include high level of client development and management, supported by our local offices and New York City Corporate Headquarters.
  • 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.
  • Experience working with interdisciplinary teams to effectively meet the client’s needs
  • Candidate shall also be able to support preparation of proposals and presentations
  • Fieldwork and site visits from planning through construction may be required with occasional travel

Required Qualifications:

  • minimum of 10 years of experience (a minimum of 20 preferred)
  • Minimum professional qualifications are a BS degree in environmental, civil, or mechanical engineering
  • PE license
  • Excellent communication and interpersonal skills are essential.
  • Experience with project management or the desire to grow into a project management role

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


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