Traffic Signal Maintainer

Job Summary

Employee performs work of a difficult and complex operational nature including plowing snow, performing electronic systems analysis and repair, intersection lighting repair, traffic signal construction and inspection, traffic signal operations, and repair of traffic related ITS equipment including dynamic message boards, nonintrusive detection devices, and pan/tilt/zoom traffic cameras. The employee is responsible for the installation, operation, and maintenance of traffic signals in Scott County and has input into signal system design, upgrades, revisions, and removals. Receives daily direction from the Traffic Systems Administrator for work assignments. Works as lead when other staff or contractors are assisting with signal work. Requires work in field locations that may be hazardous and dirty. Employee will be required to plow snow during winter storm events as a full-time plow driver for all events.

Job Description

Operates maintenance equipment including, but not limited to single axle and tandem trucks, overhead personnel lift vehicles, hand and power tools, and electrical and electronic testing equipment.



Plows snow at the direction of Highway Maintenance Supervisor.



Reviews construction plans and specifications to assist with design of new and revised signal and lighting systems; makes recommendations based on findings.

 

Performs construction inspection functions of traffic signal projects including monitoring and inspecting the progress and construction methods to ensure traffic signal projects meet specifications and are in compliance with construction procedures.

 

Determines controller cabinet wiring and prepares wiring schematics and diagrams to ensure signal controller operations meet traffic signal requirements.

 

Prepares traffic signal cabinets for construction, including wiring and make-up of all components for a fully operational signal cabinet.

 

Works with Traffic Systems Administrator to determine optimized signal timing plans; programs signal controllers and video detection to operate traffic signals as planned.

 

Works with Traffic Systems Administrator to determine and program event messages for large area entertainment venues on the county event traffic management system and future intelligent transportation systems (ITS) that may be deployed.

 

Maintains and keeps traffic control signals and flasher systems operable, performing preventative maintenance and replacing and cleaning signal components.



Assesses and diagnoses signal operational problems; performs or directs the repairs as needed through the Traffic Engineer.



Maintains and keeps functional dynamic message boards, pan/tilt/zoom cameras, nonintrusive detection devices, and other event traffic management components.



Communicates and resolves field problems with required/affected parties.



Performs preventive maintenance of traffic controls, tests electrical circuits to prevent unsafe signal operations or failures, and installs control components in the controller cabinet. Inspects and tests electrical control circuits and cabinets for installation at traffic signals.



Maintains a detailed service record of repairs and/or maintenance performed on individual signals or signal systems.



Uses software applications (Sign Cad) and plotter to design, print, and manufacture county roadway signs. Assists the Highway Maintenance Worker responsible for signing to install new signs on the highway system.



Actively coordinates cooperative maintenance responsibilities with other units of governments; makes recommendations for shared responsibilities; prepares and coordinates traffic signal and lighting maintenance agreements.



Creates and maintains documentation of entire as-built signal systems for county asset management and inventory system.



Maintains all signal, lighting and ITS inventory; orders county furnished material through procurement process.



Serves on-call for traffic signal related emergency needs during non-working hours.



Creates billing summaries and part repair orders needed for the cities per cooperative maintenance agreements.



Performs underground utility locating of county owned utilities. Updates Gopher State One Call information to account for newly installed county underground utilities.



Addresses customer concerns in a prompt and courteous manner.



Attends training to maintain job specific skills.



Works the hours and/or shifts assigned and begins and ends work on time.



Performs other related duties as required or assigned.

Minimum Qualifications
Requires equivalency of an Associate's Degree in a related field and four years of experience in highway traffic or electrical operations to include maintaining electronic systems, electrical wiring, apparatus, and/or equipment. A valid Class B driver's license and a reliable form of transportation for the performance of work responsibilities are required. Work with traffic signal systems is highly preferred.

Supervisory Controls
The employee is under general guidance and direction from the Program Manager. Assignments received orally and in writing, consist of general statements of objectives and approximate time schedules. Guidance is available when required; however, the employee is expected to work independently as a technical lead and according to prescribed procedures.

Core Competencies and Abilities
Customer Service - Delivers government services in a respectful, responsive, and solution-oriented manner.

Communication - Is always clear about what we're doing and why we're doing it.

Collaboration - Works with partners – communities, schools, faith groups, private business, and non-profit agencies – to see that services are not duplicated but rather are complimentary, aligned, and provided by the partners who can deliver the service most effectively.

Stewardship - Works proactively to make investments, guided by resident input, which will transform lives, communities, and government.

Empowerment - Works with individuals and families to affirm strengths, develop skills, restore hope, and promote self-reliance.

Resiliency - Fosters public preparedness and responds when families and communities face health and safety emergencies.

Innovation - Takes informed risks to deliver services more effectively and learns from successes and failures.

Knowledge – Knowledge of traffic signal systems, lighting systems, traffic control systems, and ITS systems.


Knowledge of the principles, practices, theories, and equipment used in electronic and electrical construction, operation and maintenance.



Knowledge of and ability to read construction plans, electrical wiring diagrams, and electronic schematics.



Knowledge of work zone safety procedures including appropriate worker attire and behavior and work zone traffic control requirements in the

Minnesota Manual on Uniform Traffic Control Devices (MN MUTCD).



Knowledge of contract management methods and procedures.



Knowledge of local, state, and federal standards, manuals, and specifications for traffic control and traffic signal construction inspection.



Knowledge of electronic and electrical test equipment including power supplies, control systems, oscilloscopes, volt/ohm meters, and cable locators.

 

Abilities –  Ability to perform calculations, measure electrical and electronic circuits, determine component needs, and identify sources of problems.

 

Ability to read and follow schematics and wiring diagrams.

 

Ability to operate personnel lift vehicle and other maintenance equipment related to signal tasks.

 

Ability to work in adverse weather conditions, in high speed and heavy traffic, in close proximity to live power and at all times of the day or night.

 

Ability to conduct field construction inspections.

 

Ability to assist with sign installation and maintenance operations.

 

Ability to interpret Traffic Signal Contracts and Agreements and Special Provisions declarations.

 

Ability to work at heights, in awkward spaces, and in active highway traffic areas.

 

Ability to communicate effectively both orally and in writing.

 

Ability to establish and maintain effective working relationships with other employees, contractors, governmental agencies, and the general public.

 

Ability to speak, present, and interact in public arenas with composure, professionalism, and discretion.

 

Ability to use MS Office, Cartegraph, and other software for the performance of essential duties.

Work Environment and Physical Demands
Typical characteristics of the regular, ongoing work environment of this position requires field work, typically in a construction oriented setting; and inside work, typically in an office setting. One may be exposed to construction site hazards such as falling debris, moving equipment, chemical/dust exposure, treacherous surfaces, etc. when traversing inspection sites. Some essential duties will require incumbents to be near moving traffic, to work around 120 volt wiring in traffic signal cabinets, to be in inclement weather, traverse uneven and slippery surfaces, and may involve use of a boom truck.

Physical activities include light to medium work: Sitting, talking, hearing, seeing, driving, standing, walking, climbing, balancing, stooping, kneeling, crawling, pushing, pulling, feeling, reaching, lifting, grasping, twisting above the waist, bending at waist, repetitive hand and arm motion, and fine finger manipulation in the use of a computer. Incumbent will climb ladders, enter crawl spaces, exert force to maneuver items, traverse uneven and slippery surfaces, and lift and/or navigate up to 35 pounds on a routine basis in handling files and equipment necessary for performing the essential duties of the job.