Metallurgy Lead

Mariana Minerals
Utah
Workplace: OnsiteFull timeFunction: Administration & Executive AssistanceExperience: 3-7 yearsSkills: ["Communication","Problem-solving","Teamwork","Analytical","Safety-conscious"]

Lead metallurgical efforts to optimize mineral processing across heap leach, SX/EW, flotation, and milling circuits. Collaborate with operations, technical services, and project teams to improve recoveries, reduce reagent use, and ensure safe, compliant plant operations at a field-based site in Moab. This is a site-based, hands-on role with data-driven decision making.

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Mariana Minerals
Mariana Minerals
1 year ago

Metallurgy Lead

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Source: Company careers pageValidated by: Fursa AI
Last checked: 18 minutes agoStatus: Closed

Job Summary

Lead metallurgical efforts to optimize mineral processing across heap leach, SX/EW, flotation, and milling circuits. Collaborate with operations, technical services, and project teams to improve recoveries, reduce reagent use, and ensure safe, compliant plant operations at a field-based site in Moab. This is a site-based, hands-on role with data-driven decision making.
Location: Utah
Workplace: Onsite
Employment Type: Full time
Job Function: Administration & Executive Assistance

Key Responsibilities

  • •Optimize metallurgical processes across heap leach pads, SX/EW plants, flotation circuits, and crushing/milling; identify bottlenecks, troubleshoot, and implement improvements to enhance throughput and recovery.
  • •Plan and supervise metallurgical testwork (e.g., column leach tests, flotation tests, grinding studies); interpret results to support operational changes or project decisions.
  • •Conduct routine sampling, analysis, and metallurgical accounting; maintain records of metallurgical balances, recoveries, and plant efficiency metrics; prepare internal reports and monthly technical summaries.
  • •Collaborate with operations, maintenance, and geology teams to integrate metallurgical insights into daily decision-making; provide input to capital projects and commissioning activities.
  • •Promote a strong safety culture and ensure metallurgical work aligns with environmental, health, and regulatory standards.

Key Requirements

  • •3–7 years of experience in mineral processing, ideally with exposure to both hydrometallurgical and flotation circuits.
  • •Strong understanding of heap leach dynamics, SX/EW systems, flotation chemistry, and comminution fundamentals.
  • •Skilled in metallurgical test design, data analysis, and performance optimization.
  • •Experience with metallurgical modeling and software tools such as METSIM, HSC, or similar process modeling software package
  • •Strong analytical and problem-solving capabilities.
Experience:3-7 yearsMineral processingHydrometallurgicalFlotation
Skills:CommunicationProblem-solvingTeamworkAnalyticalSafety-conscious
Tech Stack:METSIMHSCProcess modeling

Company Brief

Mariana Minerals
Software-first, vertically integrated minerals company developing extraction, processing, and automation systems to supply critical minerals (lithium and others) for energy, AI, and defense technologies, and building commercial-scale lithium facilities from produced water.
Industry: Mining & Metals
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
Funding: Series A
Headquarters: San Francisco, United States
WebsiteLinkedInGlassdoor