Provides advanced traffic engineering expertise, reviews plans and calculations, designs traffic signals, signing, striping, and work-zone controls, and ensures quality and compliance. Prepares reports and feasibility studies, supports project pursuits, reviews estimates and specifications, and recommends solutions to complex design issues. Requires extensive California traffic engineering experience, professional licensure, strong technical writing, and proficiency with AutoCAD, Synchro, Bluebeam, and Microsoft Office.