Website Martin Marietta

Plant Maintenance/Welder Job Highlights

Title Plant Maintenance/Welder – Day Shift
Type Full Time
Experience 1-3 Years
Function Management/Manufacturing
Location San Antonio, 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 looking for a Plant Maintenance/Welder who will be responsible for inspecting and diagnosing issues with machinery and performing preventative maintenance/repair of aggregate plant processing equipment including but not limited to stationary machinery and mechanical equipment such as conveyor systems, shakers, pumps, gearboxes, etc.

The position may perform various roles, including fabrication, welding, cutting and/or grinding, greasing, housekeeping, and other various shop or processing duties.

Operates cranes, man-lifts, hoists pneumatic, hand tools, power tools, cutting torches, welding equipment, and other specialty service equipment as needed.

Educational Qualification

  • The applicants should have a High School Diploma, GED, or Equivalent

Work Experience

  • The candidates should have 1 to 3 years or more experience related to heavy-duty maintenance job or equivalent combination of training and experience, preferably in the aggregates industry


  • Completes required paperwork to maintain equipment and to run the plant according to Martin Marietta standards
  • Conducts MSHA pre-shift safety inspections of equipment and work areas
  • Duties include checking, repairing, or replacing pumps
  • Ensures a safe work environment for self and others at all times
  • Ensures Preventative Maintenance services, lubrications services are completed according to Maintenance Module.
  • Inspects and ensures maintenance truck is being maintained properly along with good housekeeping
  • Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis
  • Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis
  • Prioritizes safety, then quality, followed by Production
  • Responsible for ensuring backlog process is completed and prioritized with Supervisor and/or Plant Manager
  • Will take an active role in the plant safety initiatives
  • Trains and coaches other employees on maintenance practices


  • Ability to handle multiple projects simultaneously
  • Ability to read and write and communicate effectively
  • Ability to troubleshoot, repair and maintain all plant equipment
  • Ability to work in an outdoor environment and in elevated areas
  • Ability to work with little to no supervision
  • Demonstrated proficiency with oxy/acetylene torch and stick welding, MIG a plus
  • Must be able to communicate over two-way radio or with hand signals and warning sounds, with coworkers regarding the movement of vehicles and mobile equipment
  • Must be able to field layout and fabricate in steel
  • Must be able to identify and order basic parts (bearings, idlers, screens, pulleys)
  • Must be able to perform duties in a safe manner
  • Must be able to work 8-12 hour(+) shifts, weekends, overtime, and holidays as needed
  • Proficiency with a wide variety of hand tools and power tools
  • Self-starter with the ability to work with little or no supervision
  • Strong mechanical knowledge
  • This job requires the ability to wear a hard hat, safety glasses or goggles, steel-toed boots, hearing protection, safety reflective vest, full-body harness, welding hood

Physical Requirements

  • Ability to climb stairs, climb ladders, reach, stoop, squat, tolerate prolonged standing/walking, balance, bend, twist, crawl, kneel, push and pull objects
  • Ability to operate hand controls with both hands
  • Ability to operate mobile equipment, foot pedals with both feet
  • Ability to perform sustained overhead reaching
  • Ability to tolerate working at heights up to 100 feet
  • Ability to tolerate working outdoors in all environmental temperatures and weather
  • Ability to work in areas with the potential for high noise levels
  • Ability to work in cramped quarters
  • Lift objects of various dimensions and weights
  • Lift up to 50 lbs, carry up to 150 ft.
  • Vision: Normal depth perception, vision, and ability to distinguish color

Working Conditions

  • 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 dB.


  • 401(k) with Company Match
  • Adoption Assistance Program
  • Competitive Pay
  • Educational/Tuition Assistance Plan
  • Employee Assistance Program
  • Employee Discount Program
  • Flexible Spending Accounts
  • Life, AD&D, and Disability Insurance
  • Medical, Dental, and Vision Coverage
  • Paid Holidays and Vacation
  • Pension Plan
  • Prescription Drug Coverage
  • Wellness Programs

Employer’s Statement

Martin Marietta is an Equal Opportunity Employer – Veterans, and Disabled.

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