Drainage Design Engineer, Roads + Highways

Job Locations US-WA-Bellevue
Posted Date 3 weeks ago(11/15/2022 12:43 PM)
Req No.


TYLin is a full-service, professional engineering firm focused on the planning, design, and construction of infrastructure solutions for public and private clients worldwide. The firm is an internationally recognized pioneer in solving the most difficult engineering challenges. Headquartered in San Francisco, California for over 65 years, TYLin has more than 3,200 professionals throughout the Americas, Asia, and Europe. TYLin is a member of Dar Group, a global, privately-owned professional services group, and its industry-leading family of Global Infrastructure companies. 


Our Roads & Highways Sector is seeking a Civil Engineer with Drainage Design experience to join our team in Bellevue, WA. 


This position will report to the Associate Vice President, Roads & Highways and requires 4+ years of relevant professional experience, including drainage design. The responsibilities of this role include, but may not be limited to, planning and design of drainage, stormwater management, and stormwater quality projects (including hydrologic and hydraulic studies and calculations), stormwater management permitting, and preparation of plans, specifications, and estimates.


  • Responsible for the preparation of planning studies and creation of design plans for a variety of project types
  • Typical projects include drainage studies and plans, roadway drainage systems, storm drain systems, bridge hydraulics, and stormwater quality projects
  • Calculate quantities and prepare engineering estimates
  • Prepare technical reports, letters, and memos for development of storm water project
  • Perform preliminary field investigations and existing data research to be used in preparation of a working project base file
  • Assure that all submittals are in accordance with company production and design standards
  • Other assignments as needed


  • Bachelor's Degree in Civil Engineering
  • Current WA Professional Engineer license OR the ability to obtain WA licensure within 6 months of hire is required
  • 4+ years of relevant professional experience required, including drainage design 
  • Experience with WA DOT projects is strongly preferred  
  • 2D modeling (e.g. ICPE, EPA SWMM) experience is strongly preferred
  • Proficiency using drafting software (Open Roads Designer, AutoCAD Civil 3D, and Microstation) desired and drainage design software (esp. ORD Subsurface Utilities and Drainage Analysis and/or Geopak Drainage) desired
  • High proficiency in Microsoft Word and Excel required
  • Familiarity with the following additional software is also desired: ESRI ArcGIS, HEC-HMS, HEC-RAS, HY-8
  • Candidates must be strong communicators, well organized, and proficient at technical writing
  • Client focused, always striving to give clients the best solutions
  • Strong commitment to innovation by creating new and better ways to solve clients’ toughest challenges
  • High levels of integrity, always doing the right thing in an ethical, fair, and sustainable way
  • Demonstrated experience of collaboration in a diverse and inclusive team, working together toward technical excellence 

TYLin is an equal opportunity employer, and we prohibit discrimination and harassment of any type as protected by federal, state, or local laws. We celebrate diversity and are committed to creating an inclusive environment for all employees. TYLin remains committed to complying with all local health authority, legal or lawful client requirements, as such this role may be situated in a jurisdiction with masking or vaccinate or test requirements to attend office or client locations (controlled location). You should ask your manager about this prior to starting. Should you be subject to the requirements, you are required to disclose your vaccination status within the first week of starting or before entering a controlled location, whichever comes first.  



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