Mariana Minerals jobs

Mine Maintenance Technician Moab, UT, Moab, Utah, United States About Mariana Minerals & Copper One Mariana Minerals is a growing natural resources company focused on developing and operating long-life copper assets in stable jurisdictions. Through its Copper One platform, Mariana Minerals owns and operates the Lisbon Valley Mining Company , a producing open-pit copper mine located in southeastern Utah. Lisbon Valley Mining Company utilizes modern surface mining methods-including drilling, blasting, loading, and hauling-to deliver ore to its crushing and heap leach processing facilities. Our success depends on safe, reliable equipment performance, supported by a skilled and safety-focused maintenance team. Position Summary The Mine Maintenance Technician plays a critical hands-on role in ensuring the reliability, safety, and performance of mobile mining equipment and supporting infrastructure. This position performs inspections, troubleshooting, repairs, and preventive maintenance on heavy equipment, support vehicles, and associated systems in both shop and field environments. The ideal candidate has strong mechanical aptitude, experience working in mining or heavy industrial environments, and a commitment to safe work practices. This role directly supports production by minimizing downtime, improving equipment health, and maintaining a safe and efficient operation. Key Responsibilities Equipment Maintenance & Repair - Perform mechanical, hydraulic, electrical, and pneumatic diagnostics and repairs on mobile mining equipment, including haul trucks, loaders, dozers, graders, and ancillary equipment. - Conduct preventive maintenance activities in accordance with OEM guidelines and established maintenance schedules. - Troubleshoot equipment failures, identify root causes, and implement effective corrective actions. - Service and repair auxiliary equipment such as

Engineering Technician-Recycle Moab, UT, Moab, Utah, United States 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. The Role The Engineering Technician plays a critical technical role in bridging field operations with process engineering. In addition to equipment operation, this position serves as a key resource for interpreting engineering drawings, supporting equipment selection, and maintaining digital plant records. The ideal candidate combines handson mechanical aptitude with the ability to navigate technical documentation and CAD software to support both frontend material preparation processes and downstream chemical processing operations within the recycling facility. What You'll Do - Operate plant equipment including shredders, separators, conveyors, screens, and bagging systems. - Monitor material flow and equipment performance; adjust settings to meet quality and recovery targets. - Perform routine sampling, testing, and quality checks to support process and metallurgical control. - Troubleshoot mechanical, electrical, and processcontrol issues and support planned maintenance. - Record key operational data such as tonnage, downtime, system changes, and recovery metrics. - Maintain clean, safe work areas and follow all MSHA/OSHA, lockout/tagout, and hazardcommunication procedures. - Participate in safety meetings and support hazard reporting and continuousimprovement initiatives. - Collaborate with supervisors, engineers, and maintenance teams; communicate equipment or process issues clearly. - Support engineering projects with data collection, testing, and implementation of recommendations. - Provide

People Systems & Programs Lead San Francisco HQ, San Francisco, California, US, Houston, TX 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. The Role We are hiring a People Systems & Programs Lead to build and scale the operational foundation of our People function across recruiting, HR systems, onboarding, and employee operations. This is a highly cross-functional role focused on designing efficient people processes, implementing scalable systems, and enabling exceptional employee and candidate experiences. You'll partner closely with leadership, recruiting, finance, and operations teams to streamline workflows, improve data visibility, and help build a modern, automation-first People organization. The ideal candidate brings a strong blend of recruiting operations, HR systems expertise, and process design experience, with the ability to operate strategically while remaining hands-on in execution. This role is ideal for someone excited about building infrastructure in a fast-moving, high-growth environment. What You'll Do - Own and improve People Operations processes across recruiting, onboarding, employee lifecycle management, and offboarding - Manage and optimize HRIS, ATS, and related People systems - Partner with recruiting teams to streamline hiring operations and candidate workflows - Build scalable reporting and dashboards for recruiting and people metrics - Drive process automation and operational efficiency across People functions - Ensure data integrity, compliance, and accurate employee records management -

Mine Manager, Surface Operations Moab, UT, Moab, Utah, United States 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. We are committed to operational excellence, safety, and innovation across all aspects of our business. Position Overview We are seeking a dynamic and results-oriented Mine Manager to lead all aspects of our surface mining operations. This pivotal role is responsible for ensuring safe, efficient, and cost-effective production while driving continuous improvement across drilling, blasting, loading, hauling, maintenance, and support functions. The ideal candidate will have a proven track record of delivering measurable cost savings, operational efficiencies, and safety enhancements, while fostering a high-performance, collaborative work culture. This is a hands-on leadership position requiring demonstrated experience in mine expansion, crushing/conveying systems, leach pad stacking, and brownfield & greenfield mine development. The successful candidate will be able to provide specific examples of initiatives that have led to tangible improvements in production, maintenance, operator performance, and personnel development. Key Responsibilities Operational Leadership & Cost Efficiency - Develop and execute mine plans to achieve production targets while optimizing costs. - Lead and document continuous improvement projects (e.g., mine sequencing, haul road design, maintenance strategy changes) with clear ROI and payback periods. - Oversee drilling and blasting operations to maximize fragmentation and minimize costs. - Manage haulage and loading operations to improve cycle times and reduce operating expenses. - Provide specific examples of initiatives that resulted in hard-dollar savings (e.g.,

Metallurgy Lead Moab, UT, Moab, Utah, United States Mariana Minerals is looking for a highly motivated Metallurgist to work on building back the domestic critical minerals supply chain. As a Metallurgist at Mariana, you'll play a critical role in supporting and optimizing our mineral processing operations across a range of unit processes, including heap leaching, solvent extraction and electrowinning (SX/EW), flotation, crushing, and milling. You'll work closely with operations, technical services, and project development teams to ensure high metal recoveries, efficient reagent use, and safe, compliant plant operations. This is a site-based role with regular exposure to both fieldwork and metallurgical analysis. Expect a fast-paced, hands-on environment where your contributions directly influence production and growth. What You'll Do Optimize Metallurgical Processes - Monitor and improve metallurgical performance across heap leach pads, SX/EW plants, flotation circuits, and comminution areas (crushing/milling). Identify bottlenecks, troubleshoot issues, and implement improvements to enhance throughput and recovery. Design and Execute Test Program - Plan and supervise metallurgical testwork (e.g., column leach tests, flotation tests, grinding studies). Interpret results to support operational changes or project decisions. Track and Report Metallurgical Performance - Conduct routine sampling, analysis, and metallurgical accounting. Maintain accurate records of metallurgical balances, recoveries, and plant efficiency metrics. Prepare internal reports and contribute to monthly technical summaries. Collaborate Across Teams - Work with operations, maintenance, and geology teams to integrate metallurgical insights into daily decision-making. Provide input to capital projects, equipment selection, and commissioning activities. Champion Safety and Compliance - Promote a strong safety culture

Project Scheduler Houston, TX, Houston, Texas, US 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. Our culture is built on three principles: - 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. Position Summary The Project Scheduler is responsible for developing, maintaining, and analyzing integrated project schedules for engineering, procurement, construction, and commissioning activities. The Scheduler supports project planning, progress measurement, forecasting, and schedule risk analysis to ensure projects are delivered safely, on time, and within budget. Key Responsibilities - Develop and maintain detailed project schedules using Primavera P6 or equivalent scheduling software. - Prepare baseline schedules aligned with project scope, execution strategy, and milestones. - Monitor project progress and update schedules based on field data and contractor inputs. - Perform critical path analysis and identify schedule risks, delays, and recovery opportunities. - Support planning workshops, look-ahead schedules, and turnaround/shutdown planning activities. - Coordinate with engineering, procurement, construction, commissioning, and operations teams. - Prepare schedule performance reports, KPIs, and executive-level presentations. - Analyze schedule variances

Local Hire (Emergency Management Specialist 4) Saipan, Mariana Island, Northern Mariana Islands Summary The Federal Emergency Management Agency (FEMA) has an immediate need to employ temporary local hires to assist with disaster response and recovery efforts in Saipan, Mariana Island MP. Local hire employees are typically local residents who aid in the recovery of their community and help their fellow citizens in the recovery process. A local hire's term of employment is 120 days. Local Hire appointments may be extended, in 120-day increments, based on the needs of the disaster. Duties What will I do in this position if hired? In this Local Hire (Emergency Management Specialist 4) position, you will you will prepare emergency management plans and policies, procedures, and risk assessments to ensure essential functions are executed in the recovery of all types of hazards, and are consistent with statutory and agency requirements and coordinate with senior level specialists on concepts of recovery operations for individuals, individuals with disabilities and/or public assistance programs. Typical assignments include: Providing technical assistance and planning support to customers and stakeholders. Determining resource requirements and capabilities to enable program delivery and performance. Managing and analyzing disability-related information to identify gaps, trends, and actionable recommendations to improve services and outcomes. Preparing plans and policies, procedures, and assessments to ensure essential functions are executed, and are consistent with statutory and agency requirements. What else do I need to know? This announcement is for a position as a FEMA Local Hire. Local Hire employees help FEMA

Local Hire (Emergency Management Specialist 2) Saipan, Mariana Island, Northern Mariana Islands Summary The Federal Emergency Management Agency (FEMA) has an immediate need to employ temporary local hires to assist with disaster response and recovery efforts in Saipan, Mariana Island, MP. Local hire employees are typically local residents who aid in the recovery of their community and help their fellow citizens in the recovery process. A local hire's term of employment is 120 days. Local Hire appointments may be extended, in 120-day increments, based on the needs of the disaster. Duties What will I do in this position if hired? In this Local Hire (Emergency Management Specialist 2) position, you will assist with the implementation of disaster response, recovery services and programs in aiding individuals and communities impacted by disasters. Typical assignments include: Assisting in preparing plans and policies, procedures, and assessments to ensure essential functions are executed, and are consistent with statutory and agency requirements. Analyzing resource requirements and capabilities to enable program delivery and performance. Providing advice, guidance, and interpretation to customers and stakeholders on a variety of recovery issues. Assisting with performing on-site damage assessments and recommendations for follow-up actions. What else do I need to know? This announcement is for a position as a FEMA Local Hire. Local Hire employees help FEMA respond to, recover from and mitigate hazards by performing a variety of emergency management functions which are not limited to disaster survivor assistance, conducting and verifying damage assessments, and providing administrative, financial and logistical

Sample Prep Technician - Minerals Kershaw, SC, United States Intertek, a leading provider of ATIC (Assurance, Testing, Inspection, and Certification) Services, is looking for a Minerals Sample Prep Technician to join our Minerals team. Intertek Minerals provides geochemical assay and testing services, minerals inspection and trade services to support the minerals and mining supply chain globally from grassroots exploration to final product shipment. With industry-recognized technical expertise and an established global network, Intertek offers end to end Total Quality Assurance across our clients' entire resource development chain.

Experienced Miner Greens Creek, Juneau, AK, US Experienced Miner

Mineral Management Intern TX Dallas; TX Fort Worth; TX Houston; TX Midland; TX Odessa As a Mineral Management Intern, you will gain hands-on experience supporting mineral management and land-related activities within the oil and gas industry. This role provides exposure to lease analysis, title research, ownership tracking, and client-facing communications. Interns will work alongside experienced professionals and landmen to develop a foundational understanding of mineral ownership and asset management.

On Call Critical Minerals Expert - Remote Washington, District of Columbia, United States of America Join our team as a Senior Critical Minerals Expert and drive innovation in the critical minerals and materials supply chain. Support federal and state clients, accelerate mining and recycling projects, and contribute to energy innovation. Enjoy flexible, remote work arrangements while making a real impact on national security and sustainability.

On Call Critical Minerals Expert - Remote Washington, DC Senior Critical Minerals Expert (On-Call, Part-Time/Hourly/Remote) Are you a critical minerals and materials expert with a deep understanding of the end-to-end supply chain-from mining and mineral processing to manufacturing, recycling, and commercialization? We need you. ICF is seeking an on-call Critical Minerals Expert to support work with the ICF's federal, state, local, and private sector clients. This is a remote, on-call role that provides flexibility to work from zero to 30+ hours per week, depending on project needs. In this role, you will help advance priorities aligned with U.S. Department of Energy (DOE) Office of Critical Minerals and Energy Innovation (CMEI) direction-including efforts to accelerate mining activities, diversify critical mineral and metals supply chains, stimulate innovation in processing and metallurgy, expand battery and magnet research, and facilitate recycling (including black mass and other battery materials). You may also support collaboration and engagement activities aligned with DOE's broader innovation ecosystem for critical materials-focused on coordination, commercialization, workforce development, and industry adoption of new technologies. What you will be doing: Providing subject matter expertise across the critical minerals and materials value chain (upstream mining to downstream manufacturing and circularity), with emphasis on U.S. supply chain resilience and energy innovation priorities. Supporting DOE CMEI technical and programmatic efforts related to: Mining and mineral production acceleration and modernization Processing, separation, refining, and metallurgy innovation Battery, magnet, and advanced materials supply chains Recycling and circular economy approaches, including battery materials Producing or reviewing high-quality client deliverables

Miner Saskatoon, SK, Canada posted: Posted 22 Days Ago

Quality Supervisor Mineral Wells, TX posted: Posted 30+ Days Ago

Proposal Manager Mineral Wells, TX posted: Posted 7 Days Ago

Industrial Engineer Mineral Wells, TX posted: Posted 30+ Days Ago

Construction Miner Saskatoon, SK, Canada posted: Posted 30+ Days Ago

Engineering Technician Mineral Wells, TX posted: Posted 23 Days Ago

Shaft Miner Ontario-Dobie-Upper Beaver

Mineral Management Associate TX Dallas; TX Fort Worth; TX Houston; TX Odessa; TX Midland The Mineral Management Associate is responsible for supporting client engagements related to mineral ownership, lease analysis, and title review. This role is highly client-facing and requires strong communication skills, attention to detail, and a working knowledge of oil and gas operations. Ideal candidates may come from land, division order, or related industry backgrounds.

Operador(a) Processo Mineral I - MG Location not specified posted: Posted 30+ Days Ago

Engineering Test Pilot Mineral Wells, TX posted: Posted 30+ Days Ago

Senior Project Coordinator Mineral Wells, TX posted: Posted 8 Days Ago