Mobile Maintenance-Master (East Tennessee Mines)
Quick Summary
Mobile Maintenance-Master (East Tennessee Mines)
The purpose of this job is to troubleshoot and diagnose mechanical and electrical issues, perform preventative maintenance and provide breakdown support and service equipment at an advanced level.
Crucible ETN is a growth-oriented metals manufacturing company focused on producing high-quality zinc products through safe, efficient, and environmentally responsible processes. We are committed to operational excellence, continuous improvement, and responsible stewardship of our people and resources. Our team-driven culture emphasizes safety, integrity, and collaboration while investing in innovation and employee development. At Crucible ETN, employees play a vital role in supporting reliable operations and delivering value to our customers and communities.
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Adhere to all MSHA regulatory and company standards
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Must have a Safety-First mindset; leading the way to a safe work environment
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Promote and assist in maintaining a positive work culture
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Demonstrate strong leadership qualities
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Perform advanced troubleshooting, diagnostics, and repairs on underground mobile mining equipment such as loaders (LHDs), haul trucks, bolters, scalers, drills, and utility vehicles.
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Inspect, service, and maintain diesel engines, hydraulic systems, braking systems, drivetrain components, and electrical systems including CAN-bus controls.
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Conduct preventative and predictive maintenance to minimize equipment downtime and extend component life.
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Identify root causes of recurring equipment failures and implement corrective actions.
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Interpret schematics, service manuals, diagnostic software, and onboarding monitoring systems.
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Lead major component repowers including engines, transmissions, axles, pumps, and cylinders.
Requirements
~1 min read-
5 years Heavy Equipment Mechanical Experience
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Benefits start on day 1
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Comprehensive benefits package including health, vision, dental, and retirement plan
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Access to Employee Assistance program
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Employee discounts for local attractions
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Monthly company performance bonus (As earned based on company hourly bonus program. This is not a guaranteed bonus.)
Department: Internal & External
This is a non-management position
This is a full time position
Location & Eligibility
Listing Details
- First seen
- May 6, 2026
- Last seen
- July 11, 2026
Posting Health
- Days active
- 65
- Repost count
- 0
- Trust Level
- 11%
- Scored at
- July 11, 2026
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