Principal Engineer / Sr. Principal Engineer - Water/Wastewater
Hazen and Sawyer
Principal Engineer/Sr. Principal Engineer
Hazen is seeking a qualified and experienced Principal Engineer/Sr. Principal Engineer for our Silver Spring, MD 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
Vacancy posted 23 hours ago
Similar jobs that could be interesting for youBased on the Principal Engineer / Sr. Principal Engineer - Water/Wastewater in Silver Spring, MD vacancy
- ...Date: May 17, 2026 Location: Arlington, VA, US Company: Black & Veatch Family of Companies Opportunity As the Sr. Project Engineering Manager for Water & Wastewater, you will manage execution of the engineering component of multiple traditional, design-build, design-bid-...SeniorWork experience placementFlexible hours
- Senior Project Engineering Manager - Water/Wastewater Date: Nov 7, 2025 Location: Arlington, VA, US Company: Black & Veatch Family of Companies Together... ...talents and perspectives to use. The Opportunity As the Sr. Project Engineering Manager for Water & Wastewater , you...SeniorFull timePart timeWork experience placementWorldwideRelocationVisa sponsorshipFlexible hours
- PL ASSOCIATES INC. (PLA) is looking for a highly motivated Civil Engineer specializing in water, wastewater, drainage, and civil site design. The ideal candidate will be responsible for project planning, leading engineering tasks, and ensuring compliance with all relevant...Suggested
- Job Title Civil Engineer - Civil Design (Water, Wastewater, Drainage, Hydrology, and Civil Site) Job Summary We are seeking a highly motivated and detail-oriented Civil Engineer with experience in civil design, particularly in water, wastewater, drainage, hydrology, and...SuggestedFor contractorsWork at officeLocal areaFlexible hours
$103.62k - $148.01k
If you are a Project Management or Engineer professional looking for an opportunity to grow... ...system solutions for power plants & wastewater facilities. As an Engineering Project Manager... ...of King County. At Emerson Power & Water Solutions, we help customers in the...SuggestedFull timeContract workTemporary workFor subcontractorLocal areaFlexible hours- ...A. Morton Thomas and Associates, Inc. (AMT) is hiring a Civil Engineer - Water/Wastewater Engineering to collaborate in the planning, design, and implementation of infrastructure solutions for water, wastewater, and reclaimed water projects. Our water engineering practice...Permanent employmentTemporary workCasual workVisa sponsorship
- Overview Morton Thomas and Associates, Inc. (AMT) is hiring a Civil Engineer - Water/Wastewater Engineering to collaborate in the planning, design, and implementation of water, wastewater, and reclaimed water infrastructure projects. Responsibilities Prepare engineering...Permanent employmentTemporary workVisa sponsorship
- SZPM Consultants is seeking a Water/Wastewater Engineer to join our growing team in Fairfax, VA. The ideal candidate will support engineering design, technical studies, and project delivery for municipal water and wastewater infrastructure. You will collaborate with multidisciplinary...Work at officeLocal area
$85k - $120k
ERG is seeking a motivated individual for a position in water and wastewater engineering in Washington, D.C. This role involves providing technical assistance to utilities, evaluating environmental impacts, and conducting data analysis. The ideal candidate should hold...- ...multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational... ...environment. Job Description Independently assess community water and wastewater infrastructure needs and identify practical, cost-effective...Hourly payPart timeFlexible hours
- ...construction such as highways, bridges, underground utilities, water/wastewater facilities, and marine construction. For over 75 years,... ...to plan, develop, coordinate, and manage onsite construction engineering activities for Industrial projects - primarily Water/Wastewater...Contract workFor contractorsFor subcontractorWork at office
$85k - $120k
Eastern Research Group in Fairfax, Virginia seeks qualified individuals for water and wastewater engineering roles. Applicants should have a Bachelor's or Master's degree in engineering and experience ranging from 3 to 8 years. The position focuses on providing technical...- PCL in Washington, D.C. seeks a Project Engineer to manage construction projects related to water and wastewater. This role involves quantity takeoffs, coordinating with subcontractors, and ensuring project compliance. Candidates should have an engineering or construction...For subcontractor
- SZ PM Consultants, Inc. is looking for a talented Water/Wastewater Engineer to join their growing team in Fairfax, VA. The selected candidate will support engineering design and project delivery for municipal water and wastewater infrastructure while collaborating with...
$95k - $140k
If you are a Controls Engineering / Field Service Engineering professional... ...in Seattle, WA , as a Sr. Field Engineer you will be... ...systems, and related equipment at wastewater facilities. This is a... ...area.** At Emerson Power & Water Solutions, we help customers...SeniorFull timeTemporary workLocal areaFlexible hours$120k - $150k
...Bonus based on performance Company parties Competitive salary Opportunity for advancement Tuition assistance Senior Water/Wastewater Engineer Location: Lanham, MD Salary: $120,000 - $150,000 About Us RIVUS Consulting is a trusted small business providing innovative...SeniorLocal areaWork from homeFlexible hours- ...seeks a motivated individual to independently assess community water and wastewater infrastructure needs and develop effective solutions. The... ...will have a bachelor’s degree in Civil or Environmental Engineering with a PE license, along with 5+ years of relevant experience...Senior
- DC Water is looking for an Engineer II, Civil (Design) in Washington, D.C. This position involves preparing civil engineering designs and performing inspections on sewer and water facilities. The ideal candidate should have a bachelor's degree in Civil Engineering and...
- PL ASSOCIATES INC. (PLA) is seeking an experienced Civil Design Engineer to collaborate on civil improvement projects. Ideal candidates will have 3-5 years of engineering experience, a substantial design portfolio, and proficiency in AutoCAD and Civil 3D. This role involves...Flexible hours
$85k - $120k
...multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational... ...seeking talented, motivated individuals to join our expanding water and wastewater engineering team. You'll have the opportunity to collaborate...Hourly payPart timeFlexible hours$100k
...Water/Wastewater Project Engineer Job Locations US-MD-Sparks | US-MD-Fulton ID 2026-7811 Category Engineering Type Full-Time Regular - 40 hours Posted Date 1 month ago(5/18/2026 8:20 PM) Max USD $100...Full timeContract workWork experience placementWork at officeLocal area- A leading engineering firm is seeking a Resident Engineer in Washington DC to manage and ensure quality assurance on construction projects. The successful candidate will guarantee that the Project Quality Plans meet contract requirements and oversee field operations to...Contract work
- DC Water is seeking a Process Engineer II to provide engineering support for the Blue Plains Wastewater Treatment Plant. This role includes evaluating treatment processes and developing strategies to enhance efficiency. The candidate will also conduct feasibility studies...
- AMT Engineering is seeking a Civil Engineer focused on Water/Wastewater Engineering in Rockville, Maryland. Candidates should have a minimum of 3 years of experience and a relevant degree. Responsibilities include preparing design files, coordinating disciplines, and client...
$85k - $120k
Medium is seeking a qualified individual for a position in water and wastewater engineering in Arlington, Virginia. The role includes providing technical assistance and evaluating water infrastructure projects. Ideal candidates will possess a Bachelor's or Master's degree...- Overview KCI’s Sparks Water/Wastewater practice is seeking a Project Engineer with a focus on facility projects including pumping stations and treatment plants. Key Responsibilities Work with the Project Manager for successful project execution. Design water and wastewater...Contract workWork experience placementWork at officeLocal area
$85k - $120k
ERG in Arlington, Virginia is seeking a qualified individual for a water and wastewater engineering position. The role involves providing technical assistance to water utilities, assessing innovative technologies, and conducting data analysis. Candidates should hold a...- ...We are seeking a Process Mechanical Engineer Project Manager - Wastewater PM to join our team! You will be responsible... ...design related functions for water and/or wastewater facilities owned... .... Shall be capable of performing principal level mechanical engineering work in...Contract workWork at office
$70.8k - $123.6k
...located in Arlington, VA, is seeking a mid-level Industrial Water Process Engineer to contribute to industrial projects. The ideal candidate... ...Engineering and at least 5 years of experience in the water/wastewater sector. Responsibilities include process engineering tasks,...$115k - $140k
Ramboll Group A/S is looking for a Municipal Wastewater Process Design Engineer to join our Water Division in Arlington, VA. The role entails planning and designing complex wastewater treatment projects, ensuring compliance with regulatory and client requirements. We seek...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Engineer / Sr. Principal Engineer - Water/Wastewater. Be the first to apply!
Related searches
- senior cloud service delivery manager Silver Spring, MD
- senior business analyst contract Silver Spring, MD
- senior software engineer Silver Spring, MD
- senior application security Silver Spring, MD
- senior database analyst Silver Spring, MD
- senior vice president of operations Silver Spring, MD
- senior ux designer remote Silver Spring, MD
- senior performance tester Silver Spring, MD
- senior sas developer Silver Spring, MD
- senior director diversity & inclusion Silver Spring, MD


