Heavy Equipment Operator II – Quarry & Plant

Martin Marietta; Corona (CA); On-site; USD 48,000 - 55,000; Full time

Benefits offered by this job

Medical, dental and vision coverage

Health savings accounts

401(k) with company match

Pension plan

Paid time off

Education/tuition assistance

Employee discount program

Job summary

Martin Marietta in Corona, CA seeks an Equipment Operator II to safely operate heavy mobile equipment, transport raw materials, and support plant loading operations. You will perform preventative maintenance, assist with training, and help maintain site infrastructure.

The role requires MSHA compliance, strong mechanical aptitude, and teamwork across the operations and maintenance teams. You will work outdoors in all weather and contribute to keeping production flowing.

Qualifications

• High school diploma or equivalent; relevant experience accepted.
• Technical training or vocational certification preferred.
• 1+ years of heavy equipment operation experience in mining, construction, or aggregate environments.
• Strong mechanical aptitude and troubleshooting ability.

Responsibilities

• Safely operate heavy equipment to transport raw materials from pit to plant at max loading capacity.
• Adjust equipment settings using SOPs to maximize throughput and minimize cycle times.
• Coordinate equipment positioning to support production flow and supervisors.
• Ensure cargo is loaded safely, preventing spills and maintaining vehicle stability.
• Adhere to MSHA safety rules and Guardian Angel programs.

Skills

Mechanical aptitude

Troubleshooting

Critical thinking

Safety focused

MSHA compliance

Regulatory compliance

Effective communication

Time management

Education

High school diploma / GED

Technical training / vocational certification preferred

Job description

Martin Marietta in Corona, CA seeks an Equipment Operator II to safely operate heavy mobile equipment, transport raw materials, and support plant loading operations. You will perform preventative maintenance, assist with training, and help maintain site infrastructure.

The role requires MSHA compliance, strong mechanical aptitude, and teamwork across the operations and maintenance teams. You will work outdoors in all weather and contribute to keeping production flowing.