Underground E&I Supervisor: Lead Power & Controls

First Majestic Silver Corp-Jerritt Canyon Gold; Elko (NV); On-site; USD 90,000 - 120,000; Full time

Job summary

First Majestic Silver Corp-Jerritt Canyon Gold seeks an Underground E&I Supervisor to lead electrical and instrumentation work in an active underground mining setting.

You will supervise E&I crews, coordinate with engineering and maintenance, and ensure safety, regulatory compliance, and high-quality workmanship across installation, testing, and repair of electrical systems, controllers, and instrumentation.

Qualifications

• The candidate has a high school diploma or GED.
• Post-secondary education in Electrical Technology, Instrumentation & Controls, or related field is preferred.
• Journeyman Electrician license or equivalent is preferred.
• At least 5 years of electrical/instrumentation experience, preferably underground mining or heavy industrial.
• 2+ years of supervisory or lead experience.

Responsibilities

• Supervise daily underground electrical and instrumentation maintenance, installation, and repair.
• Lead E&I crews, electricians, instrumentation technicians, contractors, and other field personnel.
• Plan and coordinate work assignments based on production requirements, maintenance priorities, and available resources.
• Ensure all work is performed safely and in compliance with applicable mine safety regulations, electrical codes, company policies, and site procedures.
• Conduct and participate in pre-shift meetings, toolbox talks, job hazard analyses, and safety inspections.
• Ensure proper lockout/tagout, isolation, grounding, and electrical safe-work practices are followed.
• Troubleshoot, diagnose, and oversee repairs to underground electrical distribution systems, motors, controls, PLCs, instrumentation, communication systems, and related equipment.
• Supervise installation, commissioning, testing, and maintenance of electrical and instrumentation systems.
• Support installation and maintenance of underground power distribution, substations, transformers, switchgear, MCCs, motor starters, VFDs, lighting, pumps, ventilation systems, and other mine infrastructure.
• Oversee instrumentation and control systems, including sensors, transmitters, process controls, monitoring systems, and PLC-based equipment.
• Review electrical drawings, schematics, one-lines, control diagrams, and equipment documentation to support field activities.
• Coordinate with engineering and maintenance personnel on equipment modifications, system upgrades, and capital projects.
• Monitor work quality and verify installations and repairs meet design specifications and applicable standards.
• Manage contractors and subcontractors performing E&I work underground.
• Maintain accurate maintenance records, inspection reports, work orders, and documentation.
• Assist with planning manpower, materials, tools, equipment, and spare parts required for scheduled and unscheduled work.
• Identify recurring equipment failures and recommend improvements to increase reliability and reduce downtime.
• Participate in root‑cause analysis and continuous‑improvement initiatives.
• Ensure personnel are properly trained, qualified, and authorized to perform assigned electrical and instrumentation work.
• Coach, mentor, and develop E&I personnel while promoting a strong safety and accountability culture.
• Respond to underground electrical and instrumentation emergencies and production‑critical equipment failures as required.
• Perform other duties as assigned by the Maintenance Manager, Maintenance Superintendent, or Mine Operations leadership.

Skills

Supervisory experience

Electrical & instrumentation

Underground mining experience

Safety compliance

Troubleshooting electrical systems

Education

High school diploma or GED

Technical diploma / assoc. degree in Electrical Technology or related

Journeyman Electrician license

Tools

CMMS experience

Electrical diagrams & schematics

PLC & VFD troubleshooting

Job description

First Majestic Silver Corp-Jerritt Canyon Gold seeks an Underground E&I Supervisor to lead electrical and instrumentation work in an active underground mining setting.

You will supervise E&I crews, coordinate with engineering and maintenance, and ensure safety, regulatory compliance, and high-quality workmanship across installation, testing, and repair of electrical systems, controllers, and instrumentation.