Martin Marietta Maintenance Mechanic I in San Antonio, Texas

Martin Marietta, an American company and a member of the S&P 500 index, is a leading supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada and the Caribbean, and dedicated teams transforming more than 100 years of irreplaceable natural resources into the roads, sidewalks and foundations on which we live. Martin Marietta’s Magnesia Specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products.

At Martin Marietta, we are always looking for the best and the brightest, for people who have the potential to be the Company's future leaders. We are building on our foundation of success by selecting the finest people and helping them realize their potential. When you decide to build your career at Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.

Position Summary

Works with the plant maintenance team to provide maintenance, repair, or installation services for plants.


  • Work in a team environment with safety focus as the top priority

  • Installs, maintains and repairs machinery, equipment, physical structures, plumbing and electrical systems following specifications, blue prints and manuals for all San Antonio area Ready Mix Plants

  • Performs daily inspection of machinery and equipment at the plant

  • Ensuring plant reliability and availability through prevention maintenance activities

  • Visually inspects and listens to machines and equipment to diagnose cause of malfunctions

  • Hands-on-repair of Ready Mix Facilites - conveyors, pumps, bins/structures

  • Communicates timely and effectively with Plant Foreman and Area Production Manager to keep them informed about major problems

  • Performs data entry on all services performed

  • May operate mobile equipment

  • Performs daily preventative maintenance, record and inspection on service vehicle to include fueling, cleaning, tire/light inspection, checking and adding fluids as needed

  • Services pumps/motors as neededo include shoveling of spilled materials

  • Repairs/replaces wear items as required

  • Perform welding, repair and fabrication (Cutting/Fitting)

  • Maintains parts inventory

  • Demonstrate good knowledge of lock out/tag out procedure required during certain procedures

  • Communicates/directs co-workers through hand signals and two-way radio

  • Assists in training of co-workers as needed

  • Performs general clean-up of work area

  • Required to follow all safety policies and procedures

  • Must pass all medical screening and safety training to include respiratory mask fitting

  • Must be available long hours, early and late shifts and weekends, as scheduled or unscheduled

  • Perform other duties as required

Knowledge, Skills and Abilities

  • Must have demonstrated Safey focus

  • Have knowledge of pumps, material handling equipment and all related major systems in order to trouble shoot or anticipate system problems

  • Must be able to read blue prints and mechanical diagrams

  • Dedication to quality workmanship and attention to accuracy and details

  • Ability to troubleshoot mechanical issues in a production environment

  • Excellent communication skills and work with others from diverse backgrounds

  • Read, write and communicate in English

  • People leadership skills and ability to follow direction and lead by example

  • Ability to teach

  • Ability to perform well in a “TEAM” environment

  • Self-motivator

Physical Requirements

  • 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

  • Ability to be certified to operate construction equipment such as loaders, backhoes, and manlifts

  • Lift objects of various dimensions and weights

  • Ability to operate hand controls with both hands

  • Ability to operate foot pedals with both feet

  • Ability to perform sustained overhead reaching

  • Ability to use vibration tools

  • 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

  • Ability to tolerate working at heights up to 150 feet

  • Vision: Normal depth perception, vision and ability to distinguish color

  • Medical

  • Prescription Drug

  • Dental

  • Vision

  • Health Care Reimbursement Account

  • Dependent Care Reimbursement Account

  • Wellness Programs

  • Employee Assistance Plan

  • Paid Holidays and Vacation

  • 401(k) with Company matching

  • Pension

  • Sickness and Accident – Short-Term Disability

  • Optional Long-Term Disability

  • Employee Life Insurance

  • Spouse & Dependent Life Insurance

  • Business Travel Accident Insurance

  • Direct Deposit Payroll

  • Educational/Tuition Assistance Plan

  • College Scholarship Program – for dependent children

  • Matching Gift Program

  • New Auto Purchase Discount Plans

We are an equal opportunity employer.

Qualified minorities, women, veterans and individuals with disabilities are encouraged to apply.

Requisition ID: 2016-2199

Division: Southwest Division