Operator

The role

The Heavy Equipment Operator supports mine production by operating mobile heavy equipment. This role includes conducting equipment inspections, maintaining safe working conditions, and contributing to production targets.

What you will do

• Safely operate heavy equipment including loaders, bulldozers, excavators, graders, water trucks, and blasthole drill rigs.
• Work across all mine areas including active pits, dumps, haul roads, and process areas.
• Operate equipment to maximize productivity while minimizing downtime, fuel use, and equipment wear.
• Perform and document accurate pre-shift and post-shift inspections on all assigned equipment.
• Conduct ground support tasks such as shoveling, spotting, barricading, and general labor.
• Assist maintenance personnel by communicating equipment issues, supporting troubleshooting, and performing basic servicing.
• Maintain clean, safe, and organized operating areas.
• Follow MSHA, OSHA, and company safety procedures.
• Demonstrate strong hazard recognition skills and participate in daily safety meetings.
• Provide clear shift handover notes to ensure continuity between crews.

Required qualifications

• Ability to learn and apply federal, state, local, and company safety and environmental regulations.
• Strong written and verbal communication skills.
• Willingness to perform manual labor as needed.
• Flexibility to train on additional equipment and roles.
• Compliance with all company policies and procedures.
• Commitment to maintaining a safe work environment.
• Must possess or be able to obtain a valid driver’s license.
• Ability to walk long distances over rough, uneven terrain and climb ladders and structures.
• Ability to lift a minimum of 50 pounds.
• Ability to work in all weather conditions, including extreme temperatures.
• Must wear and utilize all required PPE.
• Must be able to work in environments that may include exposure to fumes, dust, diesel, solvents, sulphuric acid, and other hazardous materials.

Nice to have

• MSHA Surface Miner Training preferred

Benefits

• Housing can be provided onsite.

About the company

Mariana Minerals is a software-first, vertically integrated minerals company. They aim to supply critical minerals for energy, AI, and defense technologies by combining industry expertise with automation and data-driven decision-making.