Martin Marietta

  • Maintenance Supervisor

    Job Locations US-TX-Midlothian
    Requisition ID
    Cement and SW RM Division
  • Overview

    Recently ranked at #72 on Fortune magazine’s list of the 100 Fastest-Growing Companies in the world, Martin Marietta, a member of the S&P 500 Index, employs more than 8,500 employees at operations spanning 27 states, Canada and the Bahamas. A leading supplier of aggregates and heavy building materials, dedicated teams at Martin Marietta supply the resources for the roads, sidewalks and foundations on which we live.


    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.



    The Maintenance Supervisor reports to Maintenance Manager. This person supervises maintenance personnel in their daily jobs and oversees small construction and engineering projects. The supervisor is expected to coordinate with Production Supervisors, Maintenance Planners and other plant personnel as required to maximize equipment availability.  The Maintenance Supervisor is expected to be capable of supervising all areas of plant as required to cover for other maintenance supervisors.



    • Instruct all maintenance department personnel in safe work practices on the job
    • Instruct personnel in correct ways to inspect, repair & install equipment
    • Conduct MSHA and plant safety training for all personnel
    • Inspection of plant equipment & recommendations for repair replacement or upgrade
    • Work with Plant Engineer on all aspects of changes, upgrades or additions
    • Support Plant Engineer with people and/or equipment to perform work needed
    • Must be able to take or help take measurements in field on equipment above or below ground
    • Coordinate with electrical supervisor and electrical personnel
    • Coordinate with instrument supervisor and instrument personnel
    • Work with Assistant Plant Manager & Supervisors in plant to solve problems with equipment or process
    • Assist in improvement of vibration analysis program for major equipment components
    • Cost effective use of contractors, spares, and materials.
    • Supervise call outs when needed
    • Work with storeroom supervisor and maintenance planners to ensure necessary parts are ordered and onsite as required for outages and projects
    • Analyze equipment breakdown to determine root cause of failure
    • Other projects or assignments as directed by Maintenance Manager


    • Related college degree preferred or equivalent years’ experience in the mining industry
    • Six (6) years’ experience in cement or related industry preferred


    • Must be able to exercise independent judgment
    • Knowledgeable of MSHA standards and requirements preferred
    • Possess excellent verbal communication skills
    • Knowledge of pneumatic, hydraulic, electrical and mechanical systems
    • Ability to work with little or no supervision
    • Must be a team player
    • Task and project oriented
    • Ability to work with all levels of management
    • Ability to read, write, and verbally communicate in the English language
    • Ability to read and understand equipment manuals, policy manuals and required government regulations
    • Knowledge of hazards associated with areas of responsibility
    • Must have good communications skills using a two way radio
    • Must keep safety above all else


    • Lift up to 30 pounds
    • Visual acuity, speech & hearing, hand & eye coordination
    • Walking, climbing stairs, bending, stooping, crouching, kneeling, pushing, pulling, reaching, twisting, balancing, repetitive motion, driving, and squatting to perform the essential functions of this production labor position
    • Must use proper Personal Protective Equipment as required
    • Must be able to climb stairs and ladders
    • Must have good hand/eye coordination and vision to safely operate equipment
    • Must be able to work in all types of weather conditions
    • Pass required physical examination and drug screens



    Works in all weather conditions including heat, cold, ice, rain and in high humidity and is required to work in all plant environments. Incumbent will be exposed to vibrating equipment and mechanical and electrical hazards and heights. . May have exposure to dust, cement, clay, gypsum, sand, diesel exhaust, lubricants, solvents, various fuels, etc. (See MSDS’s)



    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.


    • 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
    • Salary Continuation – Short-Term Disability
    • Long-Term Disability Options
    • 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.