Traffic Signal Technician (Grade 11)

Under general supervision, performs technical work of moderate difficulty in the maintenance and repair of traffic signal systems and highway lighting units. This position has department-specific responsibility; employees in safety-sensitive positions are subject to DOT alcohol/drug testing on a random basis or for reasonable suspicion.

Responsibilities

• Responds to malfunctioning traffic signals, troubleshoots and repairs malfunctions by replacing electronic components such as controllers, conflict monitors, and load switches.
• Repairs faulty or damaged wiring and ensures signals operate at optimal efficiency and safety.
• Patrols designated areas of the county and checks signals for proper operation and timing.
• Performs scheduled maintenance on signal installations, verifying proper operation of all components in the intersection and re-lamping signal heads.
• Works with the traffic control team in the erection and repair of signals.
• Electronically locates underground wiring for contractors and coordinates signal issues with contractors and project inspectors.
• Assists in monitoring signal system operation.
• Sets traffic counters to obtain traffic volumes, speeds, and vehicle classifications; uses computer software to obtain data.
• Assists traffic control staff with the fabrication and installation of traffic control signs.
• Completes and analyzes daily maintenance and trouble reports for possible malfunction trends.
• Performs emergency repairs and maintenance on a 24-hour call-out rotation.
• Installs and maintains pedestrian push buttons, countdown pedestrian heads, RRFBs, school flashers, and HAWK systems.
• Performs other duties as assigned; regular and reliable attendance is required.

Requirements

• Knowledge of County policies and procedures; laws and regulations contained in the Manual of Uniform Traffic Control Devices.
• Knowledge of methods, procedures, materials, equipment, and tools used for fabrication, installation, maintenance, and repair of traffic control signs and related regulatory and warning devices.
• Knowledge of project management methods and procedures.
• Knowledge of occupational hazards, safety rules, OSHA regulations, First Aid, and CPR.
• Knowledge of signal timing, coordination, phasing, clearance intervals, and detector operation.
• Knowledge of video detection systems, radar detection systems, battery backup systems, communication equipment, and modern ATC signal cabinets.
• Knowledge of ethernet, wireless, and communication systems used in traffic signal operations.
• Knowledge of Arizona 811 requirements and underground utility locating procedures.
• Skill in reading and understanding road construction blueprints.
• Skill in establishing and maintaining a safe work zone and flagging operation.
• Skill in operating personal computer systems and applications, including data entry, file management, and graphic design.
• Skill in creating and maintaining accurate and up-to-date chronological records.
• Skill in establishing effective working relationships with other employees, agencies, and contractors.
• Skill in following written and verbal instructions and communicating effectively verbally and in writing.
• Skill in reading and interpreting wiring diagrams, cabinet schematics, signal timing sheets, and communication plans.
• Skill in using laptop computers and manufacturer software to program, diagnose, and download data from signal controllers, cabinets, and detection systems.
• Skill in asset management systems to document inspections, repairs, work orders, inventory, and signal equipment history.
• Skill in troubleshooting and repairing communication wiring, fiber optic cable, ethernet networks, wireless communication systems, and junction boxes.
• Ability to use testing equipment to identify defects in equipment and apparatus.
• Ability to use standard tools, equipment, and testing devices used in electrical, electronic, and digital repair work.
• Ability to interpret and work from technical sketches and blueprints.
• Ability to act as a crew leader when called upon.
• Ability to establish and maintain effective working relationships with other employees and the general public.
• Ability to train and monitor other personnel in the operation and troubleshooting of traffic signals.
• Ability to work after hours and on weekends for emergency repairs.
• Ability to perform the essential functions of the job specifications with or without reasonable accommodation.
• Ability to diagnose and repair complex communication, detection, and software-related traffic signal malfunctions.
• Ability to perform field timing adjustments and verify signal phasing, coordination, clearance intervals, and detector operation.
• Ability to coordinate with utility companies, Arizona 811, and other agencies regarding underground utility locates, signal construction, and repair work.
• Ability to respond to emergency callouts for power outages, flash conditions, storm damage, damaged communication systems, and signal knockdowns.

Work Environment

The usual and customary methods of performing the job functions require the following physical demands: lifting, carrying, pushing, and/or pulling; stooping, kneeling, crouching, and/or crawling; reaching, handling, fingering, feeling, talking, hearing, and seeing (including depth perception and ability to adjust focus).

Pay

This position is advertised from the minimum to the mid-point hourly rate. Salary will be determined based on education and experience at the time of offer.