Mariana Minerals is hiring a Global Sourcing Manager to own procurement for new projects and pre-operational sites. The role involves end-to-end procurement, vendor management, and cross-site consolidation sourcing.
Operate heavy material-processing equipment to process copper scrap, ensure quality standards, and execute production workflows in a hands-on role at Mariana Minerals.
Process Plant Technician at Mariana Minerals, responsible for daily operation of SX/EW plant and tank house, including safety inspections, sampling, and process monitoring. Requires high school diploma and valid driver's license.
Director of Mining and Technical Services at Mariana Minerals, based in Moab, UT. Lead mining operations, technical services, and strategic planning for copper ore delivery, with focus on safety, efficiency, and budget. Requires 12-15 years of open-pit mining experience and leadership.
Mariana Minerals seeks a Mechanical Maintenance Technician to support design, installation, and maintenance of refining processes for critical minerals. The role involves preventive/corrective maintenance, troubleshooting, and fabrication, bridging R&D and Operations.
Mariana Minerals is seeking a Sr. Estimator to lead cost estimation for mining and mineral processing projects. The role involves developing accurate cost estimates, analyzing drawings, collaborating with teams, and mentoring junior estimators.
Developing and maintaining integrated project schedules for engineering, procurement, construction, and commissioning activities, supporting planning, progress measurement, forecasting, and schedule risk analysis for Mariana Minerals.
Mariana Minerals is seeking a Construction Project Manager to lead new facility buildouts, capacity upgrades, and infrastructure delivery. The role involves managing contractors, budgets, and schedules, and supporting software-driven project systems. Requires 8+ years of experience in industrial construction and capital projects.
Mariana Minerals is a software-first minerals company building autonomous refining operations. We're hiring a Staff Machine Learning Engineer to set technical direction for control models and tackle the hardest modeling problems in the mining industry.
Mariana Minerals is hiring a Sr. HR Generalist/Business Partner to serve as a trusted advisor to business leaders, balancing strategic HR partnership with hands-on HR operations across the employee lifecycle. The role involves employee relations, performance management, organizational effectiveness, workforce planning, and core HR operations like onboarding and HRIS administration.
Mariana Minerals is seeking a Materials Engineer to design and optimize processes for novel material synthesis, from lab-scale to commercial scale. The role involves conducting experiments, developing process flow diagrams, and collaborating with cross-functional teams to scale up production.
Mariana Minerals is hiring a Global Workplace Director to lead workplace strategy, facilities operations, and office expansion across global locations. The role involves developing workplace standards, managing budgets, and building a high-performing team to support company growth.
Mariana Minerals is seeking a Machine Learning Engineer to build and improve ML systems that control mineral refining facilities, using reinforcement learning in simulators and real plants to optimize recovery, energy, and uptime.
Mariana Minerals is seeking a Staff Mechanical Engineer to lead design, integration, and deployment of pilot-scale mechanical systems for a critical minerals processing pilot plant in Houston. The role involves hands-on work with process engineers, equipment design, installation, and reliability improvement.
Mariana Minerals is hiring a Senior Technical Sourcer to build world-class engineering and technical teams. The role involves developing sourcing strategies, engaging passive candidates, and partnering with recruiters and hiring managers to attract exceptional talent for a software-first minerals company.
Mariana Minerals is hiring a Project Controls Manager to lead cost, schedule, and risk management for large-scale mining capital projects. This role involves developing project controls systems, managing budgets, and ensuring compliance. Requires 10+ years of experience and proficiency in Primavera P6.
Mariana Minerals is hiring a Staff Product Manager to own a critical domain within MarianaOS, the digital nervous system for mineral projects. This on-site role involves leading product development across mining and refining operations, with significant travel, and requires 7+ years of PM experience in physical systems.
Mariana Minerals is seeking a Mechanical Engineer to lead development and deployment of first-of-its-kind chemical refining processes, design and commission mineral processing equipment, and support software for plant optimization. This hands-on role involves leading equipment scopes from concept to handover, with a focus on building the critical minerals supply chain for the energy transition.
Mariana Minerals is hiring a Recruiting Coordinator & Rec Ops Specialist to support and scale hiring operations, manage scheduling, candidate communications, and improve recruiting processes in Ashby. This role requires 2-5+ years of experience in recruiting coordination or talent ops.
Mariana Minerals is hiring a Mechatronics Engineer (Hardware) to design and build actuation, automation, and robotic hardware for autonomous mining vehicles. The role involves owning electromechanical systems, from concept to validation, and collaborating with controls and autonomy teams.
