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 a hands-on role supporting the safe, reliable operation of Mariana’s mining and processing site. This position works across a broad range of electrical systems and projects, partnering closely with maintenance, operations, and engineering teams in a fast-paced industrial environment. The ideal candidate will bring strong industrial electrical experience, sound technical judgment, and a consistent commitment to safety. They should be comfortable working independently, collaborating across teams, and taking a proactive, solutions-oriented approach to troubleshooting and continuous improvement. Mining experience and a Journeyman Electrician license are preferred, but candidates with strong applicable industrial experience will also be considered.

Key Responsibilities

• Troubleshoot, maintain, repair, and install industrial electrical systems, equipment, wiring, controls, and associated components.

• Diagnose electrical and control system issues using schematics, prints, test equipment, PLC diagnostics, and systematic troubleshooting methods

• Support PLCs, control wiring, instrumentation, motors, and remote equipment operation.

• Work with 3-phase 480V systems, with additional exposure to 4,160V and 13.8kV electrical systems and power distribution.

• Install conduit, pull wire, terminate components, and support new construction, equipment installations, upgrades, and site projects.

• Perform preventive and corrective maintenance on plant equipment, lighting, building systems, HVAC-related electrical components, communications, and site infrastructure.

• Partner with maintenance, operations, and engineering teams to identify root causes, resolve equipment issues, and support reliable operations.

• Perform all work in accordance with NEC, MSHA, company safety standards, and applicable regulatory requirements while consistently following required PPE and safe work practices.

   

Desired Qualifications

• High school diploma or equivalent and a minimum of 4 years of electrical experience in industrial, mining, processing, heavy manufacturing, or a similar environment.

• Journeyman Electrician license preferred, or willingness and ability to obtain.

• Strong industrial electrical troubleshooting experience, including 3-phase systems and equipment operating at 120V, 208V, 480V, 4,160V, and 13.8kV.

• Experience troubleshooting controls, control wiring, PLC-related equipment, and other industrial electrical systems.

• Ability to independently diagnose electrical and control system issues, identify root causes, and determine safe, effective corrective actions.

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

• Proficiency with electrical test equipment, hand tools, power tools, and precision measuring instruments.

• Strong safety judgment, communication skills, and ability to work effectively both independently and as part of a cross-functional maintenance team.

• Experience troubleshooting and maintaining industrial rectifier systems is a plus.

• MSHA certification or willingness to obtain.

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 four principles:

Everyone Gets Home Safe. We never put speed or cost ahead of people.

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!