Industrial Electrician

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.