Plant & Quarry Laborer – Equipment & Maintenance

Martin Marietta; Irwindale (CA); On-site; USD 37,000 - 41,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, vision coverage

Paid time off and holidays

Job summary

Martin Marietta is seeking a Laborer to support plant and quarry production with hands-on tasks, equipment cleaning, and material handling. You will learn to operate equipment and assist maintenance teams to keep production flowing safely and efficiently.

The role requires physical capability, adherence to safety standards, and flexibility to support various site needs. Prior experience in industrial or construction environments is preferred, with a willingness to learn and adapt to evolving

Qualifications

• High school diploma or GED.
• 1+ years of relevant industrial, construction, or mining environment experience preferred.
• Knowledge of production equipment operations, mechanical troubleshooting, MSHA compliance, and time management.

Responsibilities

• Perform routine cleaning of plant areas, conveyors, crushers, screens and other equipment to maintain efficiency.
• Assist in material handling such as shoveling, sweeping, and washing areas for safety and cleanliness.
• Operate skid steers and other tools to clear excess materials and ensure smooth operations.
• Support operators and maintenance crews with daily tasks and projects.
• Assist with lubrication, minor adjustments, and basic mechanical tasks under supervision.
• Conduct pre- and post-shift inspections and log maintenance checks; report issues promptly.
• Adhere to MSHA safety standards and wear proper PPE; participate in safety meetings.

Skills

Production equipment operations

Mechanical aptitude

Troubleshooting

MSHA compliance

Time management

Education

High school diploma or GED

Tools

Skid steer

Job description

Martin Marietta is seeking a Laborer to support plant and quarry production with hands-on tasks, equipment cleaning, and material handling. You will learn to operate equipment and assist maintenance teams to keep production flowing safely and efficiently.

The role requires physical capability, adherence to safety standards, and flexibility to support various site needs. Prior experience in industrial or construction environments is preferred, with a willingness to learn and adapt to evolving