Leach Pad Technician

About Mariana Minerals

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals for modern energy, AI, and defense technologies. We aim to reimagine the minerals supply chain through a blend of deep industry expertise, advanced software, automation, and data-driven decision-making.

The Role

The Leach Pad Technician is a hands-on, field-based role responsible for performing manual and equipment-assisted labor on the leach pad to support safe and efficient copper production. Key responsibilities include:

• Weld HDPE pipe safely and effectively.
• Perform daily pre-operation inspections on assigned equipment.
• Operate heavy equipment such as extendable boom forklifts and mini excavators.
• Lay out, install, and maintain irrigation piping on the leach pad.
• Execute leach pad tasks as directed to support heap leaching operations.
• Maintain a clean and safe work environment across assigned work zones.
• Support other operational duties as assigned by the Leach Pad Supervisor.
• Work collaboratively as part of a field operations team.
• Follow instructions clearly and consistently.
• Communicate hazards, maintenance issues, and operational needs promptly.

What You’ll Do

Specific duties include:

• Weld HDPE pipe safely and effectively.
• Perform daily pre-operation inspections on assigned equipment.
• Operate heavy equipment including extendable boom forklifts and mini excavators.
• Lay out, install, and maintain irrigation piping on the leach pad.
• Execute leach pad tasks as directed to support heap leaching operations.
• Maintain a clean and safe work environment across assigned work zones.
• Support other operational duties as assigned by the Leach Pad Supervisor.

Desired Qualifications

• Basic welding skills.
• Experience with HDPE pipe fusion (4”–36").
• Previous equipment operation experience preferred.
• Strong safety mindset with a positive attitude.
• Ability to work efficiently in a fast-paced, outdoor industrial environment.