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Senior Principal Engineer

Hazen and Sawyer
Portland, ME Full Time
POSTED ON 5/30/2026
AVAILABLE BEFORE 7/28/2026

Hazen and Sawyer is seeking a Drinking Water Project Engineer for our Portland, ME office. As part of our design and process teams, you will be working on all phases of drinking water / reuse projects.


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 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 in Maine is preferred

  • 7-12 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 Senior Principal Engineer in Portland, ME
$128,606 to $152,354
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