Martin Marietta

  • Instrument Technician

    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.


    Position Summary


     Under the supervision of the Electrical Supervisor, the primary function of the Instrument Technician is to maintain, calibrate, perform trouble analysis, consult, research, and develop process control instrumentation for the purpose of obtaining optimum production efficiency.



    • Installs, maintains and calibrates process control and instrumentation equipment including, but not limited to, flow meters, thermocouples, RTDs, transmitters, weigh feeders, DC drives, AC drives, VFDs, and emissions analyzers
    • Calibrates and maintains all emissions analyzers in accordance with service manuals and regulatory permit requirements
    • Maintains instrument logbook on all maintenance activity
    • Ensures process control data is being recorded, backed-up and archived
    • Performs maintenance on both new and existing instrument equipment
    • Provide leadership and assists in technical training
    • Other duties as assigned


    • High School Diploma or equivalent
    • Must have two years of college, technical school, or service training pertaining to instrumentation and electronic technology or four years of related field experience as an instrumentation technician


    • Must be knowledgeable in areas of electronics, computers, basic operating systems software (Microsoft Server, Windows XP & Windows 7, 10 and MS office), process analyzers, electrical controls, and process control
    • Good knowledge of industrial and electrical safety including lock-out procedure, arc flash protection etc.
    • Knowledge of plant and equipment layout, basic cement manufacture, cement process parameters, and electrical standards and codes
    • Ability to read and understand electrical diagrams and schematics
    • Ability to program and trouble shoot PLCs
    • Ability to troubleshoot and maintain hydraulic systems
    • Ability to provide clear and precise feedback on work done including repairs, PM and inspections
    • Basic understanding of vibration analysis
    • Ability to trouble shoot complex electrical, instrument and process problems
    • A working knowledge of process networking, serial, and wireless communication protocols a plus
    • Working knowledge of Wonder Ware HMI a plus
    • Must be knowledgeable in areas of electronics, pneumatics, hydraulics, chemistry, physics, and fluid dynamics
    • Work requires the ability to read and understand operating manuals, blueprints and schematics
    • Must possess good English communication skills - written and interpersonal
    • Ability and initiative to make sound decisions
    • Excellent work and safety record
    • Ability to be on call 24/7 as needed




    • High degree of manual dexterity and accuracy required
    • Must be able to use hand tools and electronic test equipment such as multi-meters and scopes
    • Lifting/carrying up to 70 pounds from ground to waist as required
    • Visual acuity, speech & hearing, hand & eye coordination
    • Walking, standing, climbing stairs, bending, stooping, crouching, kneeling, pushing, pulling, reaching, twisting, balancing, repetitive motion, driving, and squatting for extended periods of time (up to 12 hours)
    • Must use proper Personal Protective Equipment as required




    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
    • 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.