--- title: "Mine Maintenance Supervisor" company: "Mariana Minerals" company_url: "https://www.remjobs.works/companies/mariana-minerals" url: "https://www.remjobs.works/job/mariana-minerals-mine-maintenance-supervisor-4a7462a4-0b66-4b7a-aec6-b0e6d6e42e66" apply_url: "https://jobs.ashbyhq.com/marianaminerals/63c7a0b0-9a70-4019-8ffb-6612f728e4b6" workplace: onsite location: "Moab, UT" employment_type: full-time seniority: mid role: other region: united-states date_posted: 2026-08-17T14:23:58.657Z first_seen_by_remjobs: 2026-09-05T08:28:22.654Z --- # Mine Maintenance Supervisor **Mariana Minerals** · Moab, UT Apply: https://jobs.ashbyhq.com/marianaminerals/63c7a0b0-9a70-4019-8ffb-6612f728e4b6 ## About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. ## About the role ### 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 Mine Maintenance Supervisor is a safety-focused leader responsible for overseeing a team of technicians and ensuring the efficient operation of mine equipment. This role requires strong technical and problem-solving skills to diagnose and repair equipment, as well as excellent communication and organizational abilities to manage work orders, parts, and projects. The Mine Maintenance Supervisor will foster a positive work environment, prioritize safety, and collaborate effectively with other departments to maximize productivity and minimize downtime. Housing can be provided onsite. **Essential Duties and Responsibilities:** **Safety and Compliance:** - Conduct daily safety meetings and workplace inspections to ensure a safe work environment. - Manage and maintain technician daily logs, incident/accident reports, and investigation documentation. - Ensure compliance with all relevant safety regulations and company policies.**Crew Management:** - Complete timecards for crew in an accurate and timely manner. - Supervise and lead a team of maintenance technicians. - Assign tasks and prioritize workload to ensure efficient completion of maintenance activities. - Foster a positive and collaborative team environment. - Provide guidance, mentorship, and training to develop technician skills and knowledge. - Promote and maintain a clean, organized, and safe work area.**Workload Management:** - Effectively manage time and resources to meet deadlines and production targets. - Prioritize maintenance tasks based on urgency and impact on operations. - Plan and organize projects, including coordinating tooling, parts, and personnel.**Work Order Management:** - Create, review, and complete work orders accurately and efficiently. - Communicate effectively with planners to ensure proper scheduling and resource allocation.**Parts Management:** - Create, review, and manage parts lists for maintenance activities. - Communicate with vendors to source and procure necessary parts. - Research and identify suitable replacement parts and gather technical information.**Equipment Repair:** - Perform hands-on, in-the-field repairs and troubleshooting alongside the maintenance team as needed to support operational needs. - Research technical information and parts requirements for repairs. - Advise planners on necessary repairs and estimated downtime. - Manage equipment availability and reporting to optimize operational efficiency. - Collaborate with other departments to ensure timely and effective equipment repair.**Required Qualifications:** - Experience managing a team in mobile or vehicle maintenance, preferably in a mine setting. - Exceptional communication, interpersonal, and coordination skills are essential for success in this role. - Proficient in Microsoft Office Suite, especially Excel and Outlook. - The ideal candidate will possess proficiency in various welding techniques and demonstrate safe handling of related equipment. - A comprehensive understanding of vehicle systems, including hydraulics, electrical, filtration, fuel, A/C and refrigeration, is crucial, along with the ability to troubleshoot, repair, and perform preventative maintenance on them. - Ability to perform advanced troubleshooting and failure analysis, utilizing electronic diagnostic tools and interpreting maintenance manuals and schematics. - Knowledge and skill in maintaining various pumps, compressors, boilers, and other plant equipment. - The ability to work rotating shifts is necessary, with the understanding that the shift schedule may change as needed. - Be willing and able to perform manual labor tasks as required. - Be proficient in the use of maintenance tracking software. - Be able to read and understand Material Safety Data Sheets (MSDS). - Possess a valid driver's license. - Must be able to work extended hours, overtime, and be available for on-call status. #### 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!** --- Source: Mariana Minerals's own career page, read by RemJobs. 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