Mobile Maintenance Technician - HOLT Truck Centers
Company: Holt Truck Centers of Texas LLC
Location: San Antonio
Posted on: February 19, 2026
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Job Description:
Job Description Job Description Job Summary: The Mobile
Maintenance Technician is responsible for maintaining the fleet for
clients and to handle service calls and preventative maintenance at
customer designated locations. Provide service to customers,
maintaining exceptional customer service. Duties can include
cleaning, maintenance, visual inspection, and removal of parts and
attachments, installation with the help of proper manuals, report
writing, disassembly, assembly, parts re-use evaluation and
re-conditioning. Conduct diesel equipment repairs and preventive
maintenance requirements, correct vehicle deficiencies, adjust and
alignments. Must be capable of performing most of the required
service and repairs on a variety of trucks and equipment while
operating out of a mobile vehicle. Works with the assistance of
diagnostic software when performing highly technical or intricate
diagnostic type repairs. HLAs – HIGH LEVERAGE ACTIVITIES (focus
actions that will return the highest impact) Manage mobile service
vehicle maintaining working parts inventory on field truck and
re-stocking the truck as needed. Truck must be stocked to handle
normal work requests. Perform vehicle maintenance from a mobile
vehicle at customer designated locations, determining vehicle
condition by conducting inspections and diagnostic tests,
identifying worn and damaged parts, focusing on safety, quality,
and customer up time. Complete complex and detailed mechanical
inspections, preventative maintenance, and repairs with minimal
supervision correcting vehicle deficiencies and adjusting and
alignments as needed. The incumbent in this position is expected to
model the following practices daily: 1) Demonstrate alignment with
the company's mission and core business values; 2) Collaborate with
key internal/external resources; 3) Participate in ongoing
self-development. Essential Functions: Models, promotes,
reinforces, and rewards the consistent use of HOLT's Values Based
Leadership (VBL) tools, models, and processes to ensure alignment
with our Vision, Values, and Mission. Provide technical service to
vehicles and equipment at customer designated locations. May
include preventative maintenance, trouble shooting, electrical and
diagnostic services. Handle basic maintenance of the customer
vehicle including filling tank with fuel, checking oil, keeping it
clean, and making sure required inspections are performed and
documented as assigned. Manage inventory control on the service
truck and for keeping the vehicle properly stocked. Maintain
availability for after-hours service calls and be available for an
open work schedule. Maintain and inventory the supplied tools for
the work required in maintaining heavy duty trucks and associated
equipment. Review job order and observe and listen to vehicle in
operation to determine malfunction and to plan work procedures.
Utilize various diagnostic equipment to determine malfunction and
utilize available technical information to determine and perform
correct repair procedure. Perform all necessary diagnostic and
documentation functions on the company computer system. Examine
protective guards, loose bolts, and specified safety devices on
trucks, and adjusts. Lubricate moving parts and drives repaired
vehicle to verify conformance to specifications. Document and
submit necessary paperwork or enter mobile service program as work
performed in an accurate and timely manner. Respond to customer
inquiries regarding the work. Foster positive customer relations.
Advise customer and/or service writer of any repairs or services
which should be performed within the next three months. Attend
training classes as required. Study shop/service materials and
manuals as they relate to your job. Responsible for time management
of his/her own schedule and the scheduling relative to field
service customers. Properly monitor and report time with customers
while out of the shop environment. Submit completed manual R/O
daily for each job started/completed. Performs other duties
assigned. Knowledge, Skills, and Abilities: Necessary tools to
perform job responsibilities. Mechanical aptitude and technical
ability are a must. Ability to work and learn independently.
Business owner mentality and ability to work independently with
minimal supervision. Strong written/ verbal communication skills
required. Ability to use various windows-based computer software.
Experience with engine software a plus. Education and Experience:
High school diploma or GED is required. Combination of education,
training, or experience that provides the required knowledge,
skills, and abilities will be considered. Related technical school
training preferred. Three to five years of commercial truck
technical service experience. Engine certifications preferred:
Cummins, Detroit, International, etc. Supervisory Responsibilities:
None Travel: Within the companies Area of Responsibilities Valid
Driver’s License Physical Requirements: Employee is required to
stand, walk, kneel, squat, crawl, bend, and twist. Employee may
have to climb and/or lift to and over 80 lbs frequently. Visual
requirements are constant. Specific vision abilities required by
this job include close vision and the ability to adjust focus. Work
Environment: Duties are performed throughout the inside and outside
of the building(s) and customer locations. Employee is exposed to
dirt, dust, heat, cold, noise and vibration, fumes and odors,
wetness, and humidity, and sometimes darkness. Due to the nature of
the environment, employee is exposed to potential mechanical,
chemical, electrical and fire hazards on a regular basis.
Disclaimer: Please note that the above statements are intended to
describe the general nature and level of work being performed by
employees assigned to this classification. They are not to be
interpreted as an exhaustive list of all responsibilities, duties,
and skills required of the incumbents so classified. All incumbents
may be required to perform duties outside of their normal
responsibilities, as needed.
Keywords: Holt Truck Centers of Texas LLC, San Antonio , Mobile Maintenance Technician - HOLT Truck Centers, Construction - Building Trades , San Antonio, Texas
