Website Martin Marietta

Mobile Mechanic Job Highlights

Title Mobile Mechanic
Type Full Time (day shift)
Experience 2 Years
Function Management/Manufacturing
Location Hondo, TX, United States
Company Martin Marietta

Company Profile

Martin Marietta is a supplier of aggregates and heavy building materials. In particular, Martin Marietta supplies the resources for roads, sidewalks, and foundations.

Job Profile

The company is hiring a Mobile Mechanic who will be responsible for performing mechanical repairs on diesel-powered equipment including troubleshooting and repairs of heavy equipment, rebuilds, removal and installation of mechanical parts, and preventative maintenance on all types of diesel-powered equipment.

Lubricate and change oils and filters as needed.

The position will work under the immediate direction of the Plant Manager.

Education Level

  • High School Diploma, GED, or Equivalent
  • Trade School or related Mechanical/Technical Certification (preferred)

Work Experience

  • Minimum 2 years of mobile equipment maintenance experience
  • CAT and Komatsu experience (preferred)


  • Ability to weld and fabricate
  • Assists with training co-workers as needed
  • Communicates/directs co-workers through hand signals and two-way radio
  • Delivers technical advice to mobile equipment operators
  • Demonstrates good knowledge of lockout/tagout procedure required during certain repairs
  • Follows safety policies and procedures as written
  • Maintains parts inventory and orders supplies as needed
  • May make service calls at other plants as needed
  • Observe and listen to mining equipment in operation to determine malfunctions
  • Operates mobile equipment as needed
  • Performs data entry on all services performed with the use of a laptop computer
  • Performs general clean-up of work areas
  • Reads manuals and uses hand and power tools to perform repairs and maintenance to electrical systems, power train systems, brakes, hydraulics, and air conditioning systems
  • Replaces ground engaging tools and other worn items as required
  • Performs other duties as required


  • 40 hours per week and overtime on an as-needed basis
  • Ability to read and write in English
  • Basic welding skills
  • A commercial Driver’s License (CDL) is required (or must be able to obtain within 90 days)
  • Knowledge of repair and maintenance of diesel engines, hydraulics, electrical, power transmissions, brakes, drivelines, and other automotive systems to perform repair work
  • Must maintain a valid driver’s license and safe driving record

Physical Requirements

  • Work is performed 50% outdoors in all environmental temperatures and weather with 50% being indoors
  • Work requires the ability to climb stairs, climb ladders, reach, squat, tolerate prolonged standing/walking, balance, bend from trunk, operate mobile equipment, crawl, kneel, push and pull objects
  • Work requires the ability to lift a maximum of 50 lbs.
  • Work requires the ability to operate hand controls with both hands and foot pedals requiring both feet
  • Work requires the ability to perform sustained overhead-reaching
  • Work requires the ability to perform work while lying on your back for prolonged periods of time and in some cases cramped quarters
  • Work requires the ability to use vibration tools
  • Work requires the ability to work in areas with the potential for high noise levels

Working Conditions

  • All duties require outside assignments and periods of work in all weather conditions, cold, wet dry, and dusty.
  • Must be able to work in areas where noise levels are up to 85 dBs


  • Competitive hourly pay with OT opportunities
  • PTO Available as of Day One
  • Guaranteed to be home every day
  • 401(k) plan with company match PLUS
  • Employee Pension retirement plan (free to employees)
  • Full Medical, Health and Wellness Benefits start on First Day
  • Relocation assistance to the Hondo, TX area considered

Employer’s Statement

Martin Marietta is an Equal Opportunity Employer.

To apply for this job please visit

Scroll to Top