Mariana Minerals

1 month ago

Process & Lab Technician

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 23 hours agoStatus: Live

Job Summary

Join Mariana Minerals as a Process & Lab Technician supporting safe, efficient process development and analytical testing. Work with R&D and engineering to build, operate, and maintain ore leaching columns; perform chemical analyses of ore, process streams, and final products; bridge leaching research with plant operations to enable scale-up and robust processes.

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: Laboratory & Clinical Operations

Key Responsibilities

•Procure and construct columns and ancillary equipment used to measure copper leaching fundamentals
•Drive leaching column operations including taking routine samples, troubleshooting equipment issues, and maintaining high level of cleanliness
•Drive ore handling including crushing, sorting by particle size, and taking representative samples
•Prepare samples for analysis using techniques such as digestion, dilution, and/or filtration
•Perform elemental and compositional analysis of solid and liquid samples using ICP, NMR, XRF, Titrator, or similar analytical techniques

Pay and Benefits

Salary: USD 27 - 32 hourly

Key Requirements

•Experience in minerals processing, metallurgy, chemicals, or similar industrial environments
•Familiarity with chemical processing equipment (pumps, columns, instrumentation) or crushing equipment (crushers, grinders, conveyors, sorters)
•Ability to read and follow SOPs, equipment manuals, and safety guidelines
•Mechanical aptitude and ability to perform basic mechanical fabrication and troubleshooting
•Hands-on experience operating analytical equipment

Experience:Minerals processingMetallurgyChemicalsIndustrial environments

Skills:CommunicationTeam collaborationSafety-mindedProblem-solving

Tech Stack:ICPNMRXRFTitratorLaboratory information systemsSOPs

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

Website LinkedIn Glassdoor

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Mariana Minerals

1 month ago

Process & Lab Technician

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 23 hours agoStatus: Live

Job Summary

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: Laboratory & Clinical Operations

Key Responsibilities

•Procure and construct columns and ancillary equipment used to measure copper leaching fundamentals
•Drive leaching column operations including taking routine samples, troubleshooting equipment issues, and maintaining high level of cleanliness
•Drive ore handling including crushing, sorting by particle size, and taking representative samples
•Prepare samples for analysis using techniques such as digestion, dilution, and/or filtration
•Perform elemental and compositional analysis of solid and liquid samples using ICP, NMR, XRF, Titrator, or similar analytical techniques

Pay and Benefits

Salary: USD 27 - 32 hourly

Key Requirements

•Experience in minerals processing, metallurgy, chemicals, or similar industrial environments
•Familiarity with chemical processing equipment (pumps, columns, instrumentation) or crushing equipment (crushers, grinders, conveyors, sorters)
•Ability to read and follow SOPs, equipment manuals, and safety guidelines
•Mechanical aptitude and ability to perform basic mechanical fabrication and troubleshooting
•Hands-on experience operating analytical equipment

Experience:Minerals processingMetallurgyChemicalsIndustrial environments

Skills:CommunicationTeam collaborationSafety-mindedProblem-solving

Tech Stack:ICPNMRXRFTitratorLaboratory information systemsSOPs

Company Brief

Mariana Minerals

Industry: Mining & Metals

Company Size: Small (11 to 50 employees)

Growth: Early Stage Startup

Funding: Series A

Headquarters: San Francisco, United States

Website LinkedIn Glassdoor