Plant maintenance/mechanic position is 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. As a plant maintenance/welder you 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. May order parts through maintenance department or outside suppliers. This is a night shift position, ; however, position may first train on days, and schedules are subject to change, depending on business need.


Will take an active role in the plant safety initiatives

Ensures a safe work environment for self and others at all times

Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis

Responsible for ensuring backlog process is completed and prioritized with Supervisor and/or Plant Manager

Completes required paperwork to maintain equipment and to run the plant according to Martin Marietta standards

Inspects and ensures maintenance truck is being maintained properly along with good housekeeping

Prioritizes SAFETY, then QUALITY, followed by Production

Conducts MSHA pre-shift safety inspections of equipment and work areas

Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis

Duties include checking, repairing or replacing pumps

Ensures Preventative Maintenance services, lubrications services are completed according to Maintenance Module.

Trains and coaches other employees on maintenance practices


1 to 3 years+ experience related to heavy duty maintenance job or equivalent combination of training and experience, preferably in aggregates industry

High School Diploma, GED, or equivalent experience preferred


Must be able to perform duties in a safe manner

Ability to read and write and communicate effectively

Must be able to communicate over two-way radio or with hand signals and warning sounds, with coworkers regarding movement of vehicles and mobile equipment

Self-starter with ability to work with little or no supervision

Strong mechanical knowledge

Ability to handle multiple projects simultaneously

Ability to work with little to no supervision

Demonstrated proficiency with oxy/acetylene torch and stick welding, MIG a plus

Must be able to identify and order basic parts (bearings, idlers, screens, pulleys)

Must be able to field lay out and fabricate in steel

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

Must be able to work 8-12 hour(+) shifts, weekends, overtime, and holidays as needed

Ability to troubleshoot, repair and maintain all plant equipment

Proficiency with a wide variety of hand tools and power tools

Ability to work in outdoor environment and in elevated areas


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 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.

Ability to tolerate working at heights up to 100 feet

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


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 dbs.


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.

Equal Opportunity Employer/Veterans/Disabled