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Water & Wastewater Project Engineer

Job in Princeton, Mercer County, New Jersey, 08543, USA
Listing for: Kleinfelder
Full Time position
Listed on 2026-02-16
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Overview

Take Your Design Career to the Next Level

Kleinfelder, a Forbes' Top Employer for Engineers in North America, is committed to a people-first culture, technical excellence, and creating opportunities where employees can thrive! Are you ready to be challenged, make a difference, and experience professional growth in your career? Kleinfelder’s Design team is looking for you! From bridge and structural engineering to civil, electrical, mechanical, and process engineering, Kleinfelder’s collaborative Design Services create synergy across multiple disciplines.

Step into Your New Role

As a Water/Wastewater Project Engineer
, you will work closely with principal technical professionals and project managers to engage in and deliver the total lifecycle of our clients’ needs. That may include asset management and planning, assistance with project funding applications, preliminary and final designs, procurement and bid phase assistance and construction phase services. Candidates must have a strong work ethic and a passion for water/ wastewater treatment and facilities.

Experience with municipal water and wastewater unit process treatment, pipeline and treatment plant hydraulics, process mechanical layouts is essential.

Most of our team enjoys a hybrid schedule, which allows us to offer this role in:
Princeton or Hamilton, NJ; or our Philadelphia (Exton), PA offices.

The selected candidate will have the opportunity to:

  • Provide and apply their technical knowledge in Planning (treatment studies, process/hydrologic/hydraulic modeling, permitting and site planning).
  • Provide and apply their technical knowledge in Design (process design, process / mechanical design, process and equipment selection, sizing, layout of equipment, chemical feed systems).
  • Provide and apply their technical knowledge in Construction (bidding assistance to the client, construction administration around submittal reviews, responses to technical RFI’s and engineering site inspections).
  • Provide and apply their technical knowledge in Funding & Permits (assist in preparing applications, respond to review comments, perform closeout assignments).
  • Perform condition assessments, basis of design studies.

Qualifications:

  • B.S. in chemical, civil, environmental or mechanical engineering.
  • Engineer-In-Training/FE.
  • 6-10 years of civil engineering design experience required with a focus on water wastewater treatment facilities design or related experience.
  • Previous experience in writing basis of design reports, preparing process mechanical drawings for water and wastewater facilities, preparing engineering estimates of construction costs and technical specifications.
  • Strong AutoCAD and BIM (Revit) skills.
  • Ability and motivation to obtain Professional Engineering license within one (1) year of required.
  • Candidates must possess excellent organizational, communication, computer and technical writing skills.
  • Sewer

    GEMS /Water

    GEMS/ Process treatment modeling (Biowin) preferred.
  • Membership in AWWA, ASCE and or Water Environment Federation or desire to participate preferred.
Move Forward with Kleinfelder

Kleinfelder has been connecting great people to the best work since 1961. We are engineers, scientists, and construction professionals providing solutions that improve our clients' transportation, water, energy, and other private infrastructure. As a responsive, cross-disciplinary team of bright, curious, and innovative problem-solvers, we are dedicated to doing the right thing, every day, on every project from over 85 offices in the US, Canada, and Australia.

Connecting great people to the best work is our purpose - together, we deliver.

Progress with an Employer that Values You

Kleinfelder is an inclusive organization free from discrimination. We are a stronger organization when we are a diverse workforce and believe that through diversity, equity, and inclusion comes creativity, innovation, and unity. We are proud to offer the following:

  • Benefits: Kleinfelder offers an excellent compensation and benefits package, including: medical, dental, vision, life insurance, 401(k) plan, and paid holidays.
  • Career Development: We are committed to investing in the professional…
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