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Martin Marietta Materials · Humble, Texas

# Loader Operator - Rail Unloading Floater

Humble, Texas Operations 

Listed on Martin Marietta Materials’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
[Apply on Martin Marietta Materials’s careers site →](https://jobs.jobvite.com/martinmarietta/job/oilUAfwR)

[OpenNash Jobs](https://jobs.opennash.com/) / [Martin Marietta Materials](https://jobs.opennash.com/companies/martin-marietta-materials/) / Loader Operator - Rail Unloading Floater

## Job description

Are you ready to start a new career with a LEADER in the industry and WORLD CLASS team!

### What we offer

Competitive hourly pay with OT opportunities Annual Pay Increases PTO Available as of DAY ONE Opportunities to grow with company 401(k) plan with company match Employee stock purchase program Employee Pension plan (at no cost to employees) Full Medical, Health & Wellness Benefits start on DAY ONE

### Position Summary

Job Summary: The Loader Operator plays an essential role in plant operations by safely and efficiently operating a front-end loader/dozer to move aggregate materials throughout the site. In this position, you’ll be responsible for stockpiling materials unloaded from railcars and loading customer trucks accurately and on time. This role provides the opportunity to contribute directly to daily production in a fast-paced, team-oriented environment.

Success in this position requires a strong commitment to safety, attention to detail, and a focus on delivering quality service to both internal and external customers. New Hire Orientation & Safety Training Requirement All newly hired employees are required to attend New Hire Orientation and Safety Training in person at our Corporate Office located in Dallas, Texas. Attendance is mandatory and is a condition of employment.

To support employees traveling to attend training, mileage and approved travel expenses will be reimbursed for individuals whose commute to the Dallas Corporate Office exceeds 50 miles, in accordance with company travel and reimbursement policies. Additional details regarding travel arrangements and reimbursement procedures will be provided prior to the training date.

### Essential Responsibilities
- Operate equipment safely and efficiently in accordance with training and manufacturer’s instruction
- Perform pre-shift safety inspection on the vehicle systems, equipment and accessories
- Perform preventative maintenance and service mobile equipment
- Report needed repairs to supervision
- Ensure cargo is properly loaded according to safety requirements Responsible for good housekeeping of equipment
- Assist in plant maintenance and repairs
- Assist with operation of other equipment as needed
- Adhere to MSHA/OSHA and plant safety rules, policies, procedures, and regulations
- Perform duties with minimum supervision

### EDUCATION AND EXPERIENCE

High school diploma, GED or equivalent experience Working knowledge of heavy construction equipment 1 year of Heavy Equipment experience; previous loader operator experience preferred Experience with a variety of hand tools KNOWLEDGE, SKILLS AND

### ABILITIES

Must be able to work 12 hour shifts, possible weekends, overtime, and holidays as needed.
- Must be able to read equipment operating manual
- Must be able to complete pre-shift inspection report
- Must be able to communicate over CB radio or with hand signals and warning sounds, with coworkers regarding movement of vehicles and mobile equipment Possess basic mathematical aptitude to complete daily reports
- Must be able to wear all required safety equipment
- Must be able to perform duties in a safe manner
- Must be able to read and interpret gauges
- Must be service oriented with proven ability to work in a TEAM environment PHYSICAL

### REQUIREMENTS
- Must have good hand/eye coordination and be able to operate hand/foot controls Possess good vision to perceive depth at close range and distances up to 150 feet
- Must be able to climb on and off equipment to operate and service
- Must be able to bend, stoop, squat, crouch, kneel in limited space in cab of vehicle
- Must be able to sit and operate equipment for long periods up to 10+ hours per day Capable of lifting and carrying up to 50 lbs
- Must work outside in all weather conditions consistent with extreme ambient temperatures: heat, cold, wetness, dryness, dust, and noisy conditions
- Must be able to work at various heights WORKING CONDITIONS Larger equipment is typically air conditioned.

There will be times when outside assignments may 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. DISCLAIMER 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.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 7 days
- Location: Humble, Texas[Apply on Martin Marietta Materials’s careers site →](https://jobs.jobvite.com/martinmarietta/job/oilUAfwR)

## More jobs at Martin Marietta Materials

### [Rail Utility | Bender Rail Yard](https://jobs.opennash.com/companies/martin-marietta-materials/jobs/b9ea13dfa208c3ced4aa/)

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### [Rail Utility, Floating](https://jobs.opennash.com/companies/martin-marietta-materials/jobs/483323a39aaa7d387756/)

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### [Crane/Backhoe Operator](https://jobs.opennash.com/companies/martin-marietta-materials/jobs/f9e30fe4ee5d52e771cf/)

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### [District Engineer - Aggregate Mining Operations](https://jobs.opennash.com/companies/martin-marietta-materials/jobs/245da30e5c22ce67081f/)

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### [Dozer Equipment Operator | Snyder Quarry](https://jobs.opennash.com/companies/martin-marietta-materials/jobs/024bcc2d024f4ac0ea10/)

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