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Principal Project Engineer

Job in Seattle, King County, Washington, 98104, USA
Listing for: Parsons Corporation
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Environmental Engineer, Civil Engineering, Water Engineer
Job Description & How to Apply Below

Principal Project Engineer – Hydrology & Drainage – Transportation Infrastructure

Our Parsons Seattle office is seeking to hire a highly experienced Principal Project Engineer to provide leadership in our hydrology and drainage practice supporting transportation projects in the Pacific Northwest.

In this role you will act as the primary interface with internal design teams and take the lead for all drainage aspects of the project with the client and our JV partners on both conventional and alternative delivery projects. You will be a key member of our Drainage Practice reporting into Senior Management. Our projects include new highway design, expansion, and rehabilitation, and rail and transit expansion projects.

We expect you to be able to manage and oversee design of drainage elements relating to transportation projects, including hydrologic analysis, inlet design, storm sewer design, ditch and channel design, cross drain design, retention/detention basin design, water quality analysis, adequate outfall design and design of on and off-site drainage facilities. As a leader, you must be able to demonstrate prior experience in the preparation of plan documents and reports, such as stormwater plans and permit applications, drainage criteria documentation, and hydraulic reports

Responsibilities:

  • Functions as Engineering Drainage Design Manager on small, medium and large projects, and oversee the work of the team.
  • Leads other Engineers and design personnel in technical excellence and growth in the Quality Improvement Process.
  • Provides technical consultations for interdisciplinary analytical studies and analyses.
  • Ensures compliance of design with all applicable codes and regulations, providing the seal and signature of the professional engineer when required by statute or contract.
  • Helps determine budget estimates and staffing requirements for the defined scope and schedule. May assist with other administrative and technical duties.
  • Developing and coaching younger drainage engineers

Requirements:

  • 4-year degree in Civil Engineering (or a related field)
  • 12 years or more of related work experience in water resources engineering design (drainage design, hydrologic studies/evaluations, especially for transportation projects
  • Professional Engineer (PE) registration is required.
  • Ability to perform in a lead capacity and provide oversight to design engineering process

Salary Range: $ - $

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

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