Mobile Mechanic - Day Shift - Rio Medina Quarry - Mico, Tx
Martin Marietta Materials

San Antonio, Texas

This job has expired.

Are you ready to start a new career with a LEADER in the industry and WORLD CLASS team!

What we offer:

  • PTO Available as of DAY ONE
  • Competitive hourly pay with OT opportunities
  • Guaranteed to be home every day
  • 401(k) plan with company match
  • Employee Pension plan (free to all employees)
  • Full Medical, Health & Wellness Benefits start on FIRST DAY

Position Summary

Under the immediate direction of the Plant Manager. The Mobile Mechanic is responsible for performing mechanical repairs on diesel powered equipment to include trouble shooting 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.

This position is located in Mico, TX (west San Antonio)

  • Observes and listens to mining equipment in operation to determine malfunctions
  • 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 wear items as required
  • Ability to weld and fabricate
  • Performs data entry on all services performed with the use of a laptop computer
  • Operates mobile equipment as needed
  • Delivers technical advice to mobile equipment operators
  • Maintains parts inventory and orders supplies as needed
  • Demonstrates good knowledge of lock out/tag out procedure required during certain repairs
  • May make service calls at other plants as needed
  • Communicates/directs co-workers through hand signals and two-way radio
  • Assists with training co-workers as needed
  • Performs general clean-up of work areas
  • Follows safety policies and procedures as written
  • Performs other duties as required
Education and Experience
  • High School Diploma, GED, or equivalent experience
  • Minimum 2 years mobile equipment maintenance experience, CAT and Komatsu preferred
  • Trade School or related mechanical / technical certification preferred
  • Commercial Driver License (CDL) required (or attainable within the first 90 days of employment) and safe driving record
Knowledge, Skills and Abilities
  • Knowledge of repair and maintenance of diesel engines, hydraulics, electrical, power transmissions, brakes, drivelines and other automotive systems to perform repair work
  • Basic welding skills
  • Ability to read and write in English
Physical Requirements
  • Work requires the ability to lift a maximum 100 lbs. (team lift)
  • 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 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 use vibration tools
  • Work requires the ability to perform work while lying on back for prolonged periods of time and in some cases cramped quarters
  • Work requires the ability to work in areas with the potential for high noise levels
  • Work is performed 50% outdoors in all environmental temperatures and weather with 50% being indoors

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


The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.

This job has expired.

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