About Mariana Minerals

Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.

Position Summary

The Industrial Electrician is responsible for installing, maintaining, troubleshooting, and repairing electrical systems and equipment in an active open-pit mining and processing environment. This role requires strong hands-on technical skills, experience with industrial power systems, and a consistent commitment to safety and regulatory compliance.

The ideal candidate will have experience working with 3-phase industrial power systems, exposure to medium- and high-voltage equipment, and the ability to troubleshoot complex electrical issues in a demanding, safety-sensitive environment.

Key Responsibilities

• Install, maintain, troubleshoot, and repair electrical wiring, equipment, and fixtures in compliance with NEC, MSHA, and applicable local, state, and federal codes.

• Diagnose electrical malfunctions using appropriate test equipment and perform corrective repairs efficiently and safely.

• Work primarily with 3-phase 480V systems, with occasional work on 4,160V and 13,800V electrical systems.

• Assemble, install, test, and maintain electrical and electronic wiring, conduit, controls, and components using hand tools, power tools, and precision measuring instruments.

• Identify malfunctioning systems and components, determine root causes, and implement effective solutions.

• Perform preventive maintenance to ensure electrical systems remain compliant and reliable.

• Coordinate with operations, maintenance, and engineering teams to support continuous mining and processing activities.

• Observe and follow all safety regulations and consistently use required personal protective equipment (PPE).

• Rectifier experience is a plus.

Required Qualifications & Experience

• High school diploma or equivalent.

• Minimum 4 years of electrician experience, preferably in industrial, mining, or heavy manufacturing environments.

• MSHA certification or willingness to obtain.

• Ability to read and interpret electrical schematics, drawings, and diagrams.

• Proficiency with hand tools, power tools, and precision electrical testing instruments.

• Strong troubleshooting and problem-solving skills with the ability to work independently.

• Effective communication skills and ability to work collaboratively across departments.

• Basic computer skills, including familiarity with Microsoft Office.

Desired Qualifications

• Experience working with rectifiers and medium- to high-voltage systems.

• Familiarity with industrial electrical codes and standards beyond NEC and MSHA.

• Ability to perform electrical repairs in remote, rugged, or outdoor environments.

Physical Requirements

• 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 properly use required PPE, including hard hat, steel-toed footwear, safety glasses, high-visibility vest, hearing protection, respirator (as required), and protective clothing.

• Ability to work in environments with potential exposure to dust, fumes, diesel exhaust, solvents, sulphuric acid, and other hazardous materials.

Our culture is built on three principles:

Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.

Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply.