Fleet Mechanic III

Fleet Mechanic

The Fleet Mechanic performs skilled mechanical work in the inspection, maintenance, and repair of county vehicles and equipment, including light-duty, heavy-duty, emergency, and specialized units. This role ensures that all fleet assets operate safely, efficiently, and in compliance with county policies and regulatory standards. Responsibilities include diagnosing mechanical and electrical issues, conducting preventive maintenance, completing repairs, maintaining accurate service records, and supporting day-to-day operational readiness.

The Fleet Mechanic works closely with fleet management, equipment operators, and vendors to minimize downtime, improve asset performance, and extend the life cycle of county-owned vehicles.

Essential Duties and Responsibilities:

• Perform preventive maintenance and routine inspections on county-owned vehicles and equipment, including light-, medium-, and heavy-duty units
• Ensure all repairs and maintenance comply with county policies, manufacturer specifications, and applicable safety and environmental regulations
• Respond to field service calls and perform roadside repairs as needed to minimize downtime
• Maintain a clean, safe, and organized work area; properly handle tools, equipment, and hazardous materials
• Maintain accurate records of all repairs, parts used, labor hours, and completed services in the fleet management system
• Participates in a rotating on-call schedule and responds to field service requests as required.
• Other Duties Assigned

Harris County is an Equal Opportunity Employer. If you need special services or accommodations, please call  or email  This position is subject to a criminal history check. Only relevant convictions will be considered and, even when considered, may not automatically disqualify the candidate.

Education and Experience:

• High School diploma or equivalent
• Seven (7) years of relevant experience

Certificates/Licensures:

• Automotive trade school certificate or equivalent in experience
• Valid Texas State Commercial Driver's License

Knowledge, Skills, and Abilities:

• Methods, techniques, and best practices for diagnosing, maintaining, and repairing gasoline, diesel, hybrid, and alternative-fuel vehicles.
• Performing complex repairs efficiently and with a high degree of workmanship.
• Reading and interpreting technical manuals, schematics, diagrams, service bulletins, and diagnostic codes.
• Operating specialized equipment such as lifts, scanners, welders, and power tools.
• Prioritizing tasks, managing time effectively, and completing work with minimal supervision.
• Communicating clearly with supervisors, operators, and vendors regarding repair needs and equipment status.
• Maintaining detailed and accurate service records within a fleet management database.
• Working safely in a shop environment and adhering to established safety protocols

NOTE:

Qualifying education, experience, knowledge and skills must be documented in your job application. You may attach a resume to the application as supporting documentation but ONLY information stated on the application will be used for consideration. "See Resume" will not be accepted for qualifications.

• Completion of a formal automotive or diesel technology training program from an accredited trade school, technical college, or community college is preferred.
• Knowledge of regulatory standards relevant to fleet operations (DOT, OSHA, state inspection requirements), preferred.
• Additional coursework or certifications in automotive technology, diesel technology, heavy equipment repair, or related fields is highly desirable.

Locations:

• 7901 El Rio St., Houston, TX 77054
• 5530 Miller Rd. 1, Houston, TX 77049

Work Environment and Physical Requirements:

• The work is performed in both indoor and outdoor environments, including maintenance shops, vehicle yards, and field locations.
• The position involves regular exposure to loud noises, fumes, chemicals, lubricants, moving mechanical parts, and varying weather conditions.
• Work may be performed on uneven surfaces, around heavy equipment, and in areas requiring adherence to strict safety protocols.
• Personal protective equipment (PPE) is required and provided.
• The role requires frequent standing, walking, bending, kneeling, crawling, and working in awkward or confined positions.
• The employee must be able to lift, carry, push, and pull tools, parts, and equipment weighing up to 50 pounds, with occasional lifting of heavier items using assistance or mechanical aids.
• The position requires climbing ladders, entering and exiting vehicles, and working underneath vehicles on lifts or creepers.
• Work may require responding to emergency repairs or field service calls, sometimes outside normal business hours.
• Visual acuity is necessary to inspect parts, read gauges, and perform detailed mechanical tasks.

Employment may be contingent on passing a drug screen and meeting other standards. Due to a high volume of applications positions may close prior to the advertised closing date or at…