The posting
Mine Systems Technician
Department: CO Department
Reports To: Senior Mine Systems Coordinator
Location: Underground Coal Mine Operations
Position Summary
The Mine Systems Technician is responsible for the installation, maintenance, troubleshooting, repair, and advancement of underground communication, tracking, carbon monoxide (CO) monitoring, and related mine systems. This position plays a critical role in supporting mine safety and regulatory compliance by ensuring that all communication and atmospheric monitoring systems remain fully functional and operational.
Safety is the highest priority of this position. The Mine Systems Technician is expected to perform all duties in accordance with company policies, MSHA regulations, approved mine plans, and established safe work procedures.
This position reports directly to the Senior Mine Systems Coordinator.
Minimum Qualifications
- Minimum of five (5) years of underground coal mining experience.
- Must be an experienced underground coal miner with a thorough understanding of underground mining operations.
- Must possess a current Underground Electrician Certification.
- All required MSHA and company retraining must be current and up to date.
- Demonstrated knowledge of underground communication, monitoring, and electrical systems.
- Ability to work safely and effectively in underground mining environments.
- Valid driver's license preferred.
Essential Duties and Responsibilities
- Perform emergency and preventative maintenance on underground tracking systems, communication systems, and CO monitoring systems.
- Advance, install, and commission tracking and carbon monoxide monitoring systems as mining operations progress.
- Troubleshoot, repair, splice, test, and maintain coaxial leaky feeder cable systems.
- Troubleshoot, repair, splice, test, and maintain fiber optic communication networks.
- Install, calibrate, test, and maintain CO sensors, readers, and associated monitoring equipment.
- Maintain and support mine monitoring computer systems, software, and network infrastructure.
- Install, troubleshoot, and maintain Programmable Logic Controllers (PLCs) and associated equipment.
- Perform PLC programming and modifications as directed.
- Diagnose system failures and take corrective actions to minimize operational downtime.
- Maintain accurate records of inspections, repairs, installations, and system testing.
- Assist with regulatory inspections and ensure systems remain compliant with applicable MSHA requirements.
- Coordinate with mine operations personnel to support safe and efficient production activities.
- Respond to after-hours emergencies and system failures when required.
- Perform other duties as assigned by the Senior Mine Systems Coordinator or mine management.
Knowledge, Skills, and Abilities
- Working knowledge of underground tracking and communication systems.
- Understanding of underground CO monitoring requirements and applicable regulations.
- Knowledge of fiber optic and coaxial communication systems.
- Ability to read and interpret electrical schematics, mine maps, and technical drawings.
- Experience with computer networking, industrial controls, and PLC systems.
- Strong troubleshooting and problem-solving abilities.
- Effective communication and organizational skills.
- Ability to work independently with minimal supervision.
Physical Requirements
- Ability to work in underground coal mining environments for extended periods.
- Ability to walk, climb, lift, bend, kneel, and work in confined spaces.
- Ability to lift and carry equipment and materials weighing up to 50 pounds.
- Ability to work in varying environmental conditions commonly associated with underground mining operations.
Safety Expectations
Safety is a condition of employment and an essential function of this position. The Mine Systems Technician shall:
- Place safety above all other considerations.
- Comply with all company safety policies and MSHA regulations.
- Conduct workplace examinations and hazard assessments as required.
- Immediately report unsafe conditions and equipment deficiencies.
- Utilize required personal protective equipment at all times.
- Promote a culture of safety, teamwork, and accountability throughout the operation.
Excel Mining is an Equal Opportunity Employer and is committed to maintaining a safe and productive workplace for all employees



