Mechanical Maintenance Worker III - Public Works - J03360 - 15000

  • Nueces County
  • Corpus Christi, Texas
  • Full Time

SUMMARY: Responsible for developing and implementing solutions to fix and properly maintain mechanical, electrical, plumbing (MEP) systems and county equipment, facilities and buildings. May serve as lead worker on tasks involving two or more employees. The employee is required to be on duty before, during, and after natural disasters and emergencies, as directed by the supervisor. This includes emergency and other on-call work, after routine work hours and on weekends, as required by the Director.

ESSENTIAL DUTIES AND RESPONSIBILITIES: Performs a wide variety of preventive maintenance and repair work on equipment, building components and facilities, and MEP systems.

  • Locates problems and makes repairs on chilled water and RDX HVAC heating, ventilation air conditioning systems.

  • Installs electrical conduit, wires, panels, fixtures, j-boxes, and switches.

  • Troubleshoots and repairs electrical problems.

  • Works on fire alarm systems, troubleshoots and repairs problems.

  • Performs plumbing repairs, including repairs to broken copper, galvanized and PVC pipe.

  • Performs jobs that are too complex for Building Maintenance Worker I and II. May act as lead worker on team projects, providing guidance and oversight of other employees work.

  • Maintains and monitors PC-based automated system that controls building access, fire alarm system, and HVAC Systems.

  • Performs other duties as assigned.

QUALIFICATIONS: To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

EDUCATION and/or EXPERIENCE: 1) Associate's degree (A. A.) in a relevant field from a two-year college or technical school, plus two years of building maintenance experience; or 2) high school/GED diploma plus four years of building maintenance experience and/or relevant training. Alternatively, any equivalent combination of education and experience which provides the required knowledge, skills and abilities.

LANGUAGE SKILLS: Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedures manuals. Ability to write routine reports and correspondence. Must communicate effectively, orally, in writing and via PC using Microsoft Office Software such as Outlook and Word.

MATHEMATICAL SKILLS: Ability to calculate figures and amounts and properly prepare technical specifications in a scope of work. Ability to apply concepts of basic algebra and geometry.

CERTIFICATES, LICENSES, REGISTRATIONS: Must have a valid Texas Motor Vehicle Operators License (Class C). Any employee who drives a vehicle on official business must have a driving record which meets standards set by the County and the Countys insurance carrier.

Must pass a criminal background check. May be required, within six months of employment, to take training and pass a test to receive EPA certification to purchase and handle refrigerants and equipment.

OTHER SKILLS AND ABILITIES: The employee must have working knowledge of:

  • 1-phase and 3-phase systems/controls, commercial plumbing systems, high-rise buildings and mechanical blueprint reading (HVAC, plumbing, electrical, etc.).

  • Chilled water and direct expansion (RDX) HVAC Systems.

  • Pumps, motors, mechanical seals, and high voltage (480v, 277v) systems.

  • Steam boiler operations, controls, and safety switches.

  • Water treatments, boilers, and cooling towers.

  • National electrical code.

  • Microsoft Office Software such as MS Word and Outlook (e-mails)

Microsoft Office Software such as MS Word and Outlook (e-mails). Must be able to operate and use personal computers.

Ability to establish and maintain effective working relationships with other county employees and officials.

PHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to stand; walk; and use hands to finger, handle, or feel objects, tools or controls. The employee frequently is required to reach with hands and arms and climb or balance. The employee is occasionally required to sit, stoop, kneel, crouch, or crawl and talk and hear. The employee must occasionally lift and/or move up to 100 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and the ability to adjust focus.

WORK ENVIRONMENT: The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee regularly works near moving mechanical parts and in outside weather conditions. The employee is frequently exposed to toxic or caustic chemicals and risk of electrical shock. The employee occasionally works in high places and is occasionally exposed to wet and/or humid conditions, extreme cold, and extreme heat. The noise level in the work environment is usually loud. Employee must adhere to county safety policies and procedures at all times.

Job ID: 486378518
Originally Posted on: 7/22/2025

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