top of page

JoLyn Gillie

Geotechnical Engineer PE

JoLyn has nine years of geotechnical engineering experience in the Pacific Northwest, with an emphasis in earthquake engineering. She has served as Project Engineer for numerous projects including bridge replacements, roadway widenings, transfer stations, marine and waterfront structures, and sewer and wastewater treatment structures. Her experience includes developing field exploration programs, performing detailed geotechnical engineering analyses, and providing geotechnical design recommendations as they relate to the challenges of each project. She has also provided construction inspection services for several of the projects which she helped design. JoLyn’s project experience includes the award winning SR 16/Burnham Dr. NW Interchange and Roadway Improvements Project, which included design of five walls, the majority of which were structural earth walls. In addition, JoLyn has worked on several WSDOT-funded transportation improvement projects and is familiar with the WSDOT Standard Specifications, the Local Agency Guidelines (LAG) Manual and the Geotechnical Design and Bridge Design Manuals. 


Licenses and Certificates:

  • PE in Washington


Specialty Focus:

  • Seismic Evaluation and Analysis

  • Slope Stability Design



  • Paragliding

  • Hockey

bottom of page