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Senior Principal Engineer - Water/Wastewater

Hazen and Sawyer
Jacksonville, FL Full Time
POSTED ON 6/15/2026
AVAILABLE BEFORE 8/14/2026

Hazen and Sawyer is seeking a Water/Wastewater Senior Engineer for our Jacksonville 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 2,000 employees in 70 offices throughout the United States, Latin America, Canada, and the UK
  • A flexible hybrid work schedule supports today's busy professionals. (Optional Language to be discussed with Operations/Regional Manager)

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 water/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:

  • Bachelor's degree in Civil or Environmental Engineering
  • PE license (or ability to obtain within one year of employment)
  • 10-15 years of experience in the field of wastewater-related infrastructure, including project engineering/management (planning, design, and construction)
  • Experience in successfully delivering 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 
  • 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 - Water/Wastewater in Jacksonville, FL
$123,278 to $150,487
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