Martin Marietta

Process Assistant - Roller Mills

US-TX-New Braunfels
Requisition ID
Cement Division


Recently debuting at #57 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 26 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.



Under the direction of the Process Supervisor, the Process Assistant assigned to the Roller Mill assists his/her team in cement manufacturing and housekeeping; primarily responsible for checking oil levels and general maintenance of machinery in the plant.




  • Monitor oil and grease usage by each piece of equipment in the Roller Mill area
  • Assist with kiln repairs
  • Keep Gas Conditioning Towers clear of build up
  • Learn plant operations and assist in training of team members
  • Load alkali dust
  • Monitor operation of plant to detect problems and react to minimize any issues
  • Maintain a safe, clean work environment in keeping with MSHA and Company rules and policies
  • Must clear ATF Certification for handling explosives
  • Must work a rotating shift
  • Perform housekeeping duties
  • Other duties as assigned by Supervisor


  • High school diploma or equivalent
  • Must have plant experience or knowledge of Roller Mill(s) and their operation including Reclaimer(s)



  • Ability to operate air lance, jackhammer, shovel, hoe, pry bar, wheelbarrow, broom and hand tools
  • Ability to operate skid steer loader, forklift and tractor-trailer rigs
  • Must have a willingness and ability to learn new tasks and operate with considerable focus on safety
  • Ability to read, write and communicate verbally in English (meetings, telephone, & radio) preferred
  • Work a rotating shift
  • Must be a self-starter able to work with little or no supervision
  • Maintain a positive work attitude
  • Ability to perform minor maintenance

  • Must have good attendance

  • Ability to reason through operational issues as they arise and resolve them or communicate with others

  • Knowledge of hazards associated with areas of responsibilities

  • Excellent work and safety record
  • Understanding of Lockout/Tagout procedures 



  • Lift up to 100 pounds and push a wheelbarrow containing 60 – 100 pounds
  • Ability to climb up to 100’ on ladders and catwalks and perform work
  • Ability to work at heights up to 350’ above ground level
  • Visual acuity, speech & hearing, hand & eye coordination
  • Manual dexterity to operate equipment and use basic hand tools
  • Must be able to use jackhammer, shovel, broom and wheel barrow for up to 8 hours per day for various plant cleanup tasks
  • 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
  • Physical requirements also include visual acuity, speech and hearing, standing, sitting, walking, climbing stairs, climbing on equipment, bending, stooping, crouching, kneeling, pushing, pulling, reaching, twisting, balancing and squatting


Must use proper Personal Protective Equipment as required Must be able to work in all weather conditions (heat, cold, and/or rain). Must be able to work in noisy environment with noise levels up to 120 dba. Must be able to work in environments including vibration and mechanical and electrical hazards. Must be able to work any assigned shift. 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.