Work schedule is as follows: Night shift hours: 3:00 p.m. to 11:30 p.m. from November 1st through March 31st. Day shift hours from April 1st through October 31st. Performs intermediate skilled trades work performing maintenance of the County's traffic control signs and devices and the County's highway road and bridge system. Work is performed under the moderate supervision of the Traffic Engineer or Highway Maintenance Supervisor. Installs, repairs, fabricates, and maintains all permanent, temporary, and seasonal traffic control devices and equipment used in signing. Performs traffic control, flagging, and work zone set-ups. Repairs and/or replaces signs damaged due to traffic accidents or natural causes; documents and photographs repaired signs. Assists supervisor in conducting various traffic studies and administering pavement striping. Re-lamps and performs minor maintenance such as replacing batteries on traffic signals and overhead lights; troubleshoots problems using computer hook-up to cabinet and notifies contractor of service needed. Trims trees and brush away from obstructed signs to improve visibility and safety. Operates locator device to check underground utilities prior to digging and assists maintenance personnel in locating underground utilities. Fabricates special signs which are not part of the regular inventory. Maintains department equipment, buildings, field sign and sign shop inventories; uses computerized inventory system; documents all signing activities. Receives and unloads supplies and signs, and places in proper storage location. Performs repairs and maintenance to roads and bridges; including bituminous patching, paving, sealing concrete repair & maintenance in medians/sidewalks, and crack sealing roads. Replacement of highway culverts by removal and installation of new culverts and/or installation of culvert liners in existing culverts. Places highway construction signs; removes debris and trash from roads, bridges, and ditches including dead animals and discarded appliances; repairs and/or installs bridges, culverts and guardrails; constructs new roadway turn lanes and shoulders using computerized equipment. Removes snow and ice from roadways using chemicals, and salt; identifies, controls and removes noxious weeds, tree and brush cuttings on roadways; loads, hauls, and operates equipment. Transports and stockpiles road materials, including gravel and sand. Ability to safely operate heavy equipment on roadways and construction sites. Ability to interpret and understand highway construction plans. Must be available for after work hours emergency callouts. Performs other duties and activities as assigned.