Principal Engineer / Sr. Principal Engineer - Water/Wastewater

Hazen and Sawyer
Fairfax, VA

Job Description

Job Description

Hazen is seeking a qualified and experienced Principal Engineer/Sr. Principal Engineer for our Fairfax, VA 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:

  • 5-7 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
Posted 2026-06-19

Recommended Jobs

Assistant Superintendent

F.H. Paschen
McLean, VA

F.H. Paschen has over 115 years of experience in the construction industry. You’ve driven on highways we paved, you’ve travelled through airports we modernized, you’ve commuted through rail stations …

View Details
Posted 2026-05-19

Caring Transitions Estate Prep, Moves, and Clear Outs

TIDEWATER RELOCATIONS LLC
Chesapeake, VA

Job Description Job Description Caring Transitions of Chesapeake is expanding and looking to hire a second team. We are seeking candidates with experience in one or more of the following areas: …

View Details
Posted 2026-04-17

PBX Operator

Vacatia
Williamsburg, VA

Job Description Job Description Now Hiring: PBX Operator | Join Our Resort Team at Vacation Village at Williamsburg Resort! Are you friendly, detail-oriented, and passionate about delivering exce…

View Details
Posted 2026-05-15

Plant Manager - Block (Christiansburg, VA)

Chaney Enterprises
Christiansburg, VA

Job Description Job Description To be attac ESSENTIAL RESPONSIBILITIES AND DUTIES Summary/Objective: The Block Plant Manager manages the productivity and overall operations of the assign…

View Details
Posted 2026-06-05

Propane Delivery Driver

VALLEY ENERGY
Purcellville, VA

Well-established, locally owned and operated energy company looking to hire full-time, dedicated Propane bobtail driver. This person will be responsible for delivering propane to commercial or reside…

View Details
Posted 2026-05-15

Produce Department Head Assistant

Kroger
Blacksburg, VA

Position Summary : Embrace the Customer 1st strategy and encourage associates to deliver excellent customer service by providing an outstanding customer experience. Establish and maintain a safe,…

View Details
Posted 2026-06-09

Property Site Caretaker with light maintenance

Accessible Space, Inc.
Chesapeake, VA

Description We are seeking a Part-time experienced Property Caretaker for an apartment building in Chesapeake, VA for the general upkeep and light maintenance of our building. $19 - $20 hour…

View Details
Posted 2026-03-03

Service BDC Representative

BMW of Sterling
Sterling, VA

: Dealership: L0379 BMW of Sterling Looking for a Great Opportunity? BMW of Sterling is looking for a Customer Service Representative! Opportunity for Advancement and Full Benefits After …

View Details
Posted 2026-06-21

System Administrator

Mantis Security Corporation
Reston, VA

Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and…

View Details
Posted 2026-05-13

Experienced or Senior Accountant

Overhead Solutions Group, LLC
Norfolk, VA

Job Description Job Description Salary: $70,000 - $85,000 We are seeking a dedicated and experienced Accountant / Audit Associate to join our dynamic team. This position is in person with the …

View Details
Posted 2026-04-08