Traffic Signal Technician III

JOB CODE: 1242

PAY GRADE: 1170

SALARY RANGE: $33,825 - $57,585

LOCATION OF WORK
Department of Transportation & Drainage

GENERAL DESCRIPTION
Under the direction of a higher classification, performs skilled work in the installation, maintenance, and repair of solid state, electronic, electrical, electromechanical, and digital traffic signal control and communication equipment and systems at the circuit component level. Work involves responsibility for ensuring that the traffic signal and communications equipment is maintained in continuous operational order. Incumbents in this class provide supervision, guidance, instruction, and training to employees in lower classifications attempting to gain knowledge and experience. Employees of this class receive their assignments either orally or in writing and may be accompanied by sketches or blueprints. Incumbents in this position may be required to be on emergency call-out on a weekly rotating basis to maintain traffic signal and communications systems. The Traffic Signal Technician III is an advanced level position which includes the scope of a Traffic Signal Technician II, along with additional duties and responsibilities. Performs other work as requested.

ESSENTIAL WORK TASKS
Installs, programs, modifies, maintains, diagnoses, tests, and repairs a variety of solid state, electronic, and electrical traffic signal controllers, detector systems, opticom systems, and communications systems (fiber optic, twisted pair and hardwire interconnect); installs, programs, and maintains school zone flashers and school flasher controllers. Conducts tests either in-house or in the field on all traffic signal systems, opticom systems, and all related traffic signal systems using appropriate test equipment to ensure proper operation and conformance to manufacturer's specifications and required standards. Tests, locates, and repairs problems at the circuit component and system level for a variety of traffic signal control and communication equipment and systems. Interprets and executes instructions from Traffic Engineers to modify the operation of traffic systems: checks time clocks, coordination plans, and split plans; evaluates operation and makes changes in the timing coordination. Inspects contractor's work to ensure it meets specification standards; verifies and marks locations of underground traffic signal conduits and components in compliance of State and City Statutes. Performs bench-level repairs of electronic circuit boards, microcomputers, and solid state, electronic, electrical, electromechanical, and digital components. Reviews, evaluates, and recommends specific traffic signal systems/equipment purchases as required; ships and receives stock and equipment; maintains inventory stock. Maintains vehicle detector systems. Supervises in absence of supervisors.

KNOWLEDGE, SKILLS, AND ABILITIES
Knowledge of the standard practices, methods, tools, and materials of the solid state, electronic, and electrical trades. Knowledge of the principles and theories of electricity and electronics and traffic signal control and communications systems (including video surveillance equipment). Knowledge of the circuit component parts of solid state, electronic, electrical, electromechanical, and digital traffic signal control and communications systems. Knowledge of the occupational hazards and safety precautions involved. Knowledge of computer communications, as well as standard telephone communication systems. Skill in the repair of solid state, electronic, electrical, electromechanical, and digital traffic signal equipment. Ability to use and operate a variety of diagnostic equipment in the repair and maintenance of a variety of solid state, electronic, electrical, electromechanical, and digital traffic signal equipment. Ability to install, alter, repair, maintain, and locate defects in a variety of solid state, electronic, electrical, electromechanical, and digital traffic signal control and communications systems. Ability to distinguish color-coded wires and components in making repairs to solid state, electronic, electrical, electromechanical, and digital traffic signal equipment. Ability to use computer operating systems for monitoring and downloading of data to traffic signal controllers and systems. Ability to understand and follow complex oral and written instructions and to work from wiring diagrams, blueprints, and sketches. Ability to establish and maintain effective working relationships with employees and the public contacted in the course of the work. Ability to lead and/or supervise the work of a group of skilled technicians and helpers. Ability to apply good work habits such as punctuality, reliability, preciseness, and dependability in order to effectively complete assigned tasks and contribute to the smooth operation of the department and division.

MINIMUM REQUIREMENTS