Mariana Minerals

1 month ago

Sr. Metallurgical Process Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 1 hour agoStatus: Live

Job Summary

A hands-on Process Engineer role focused on scale-up of bioleaching and pilot-scale mineral processing at the CopperOne mine, bridging R&D and operations, optimizing leaching processes, and collaborating with cross-functional teams to enable future scale-up and commercial mining.

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: Industrial, Process & Manufacturing Engineering

Key Responsibilities

•Operate, troubleshoot, and improve leaching columns and other pilot-scale processing equipment in collaboration with technicians
•Design and execute pilot-scale experiments to bridge learnings between R&D and commercial mine scale
•Develop and maintain key process documentation including PFDs, P&IDs, operating procedures, mass balances, etc
•Analyze experimental and operational data to identify opportunities for process optimization and scale-up
•Support development of automated monitoring and optimization tools in collaboration with software and machine learning teams

Key Requirements

•3+ years of experience in mining, operations, process scale-up, or plant design in minerals processing, chemicals, specialty materials, oil & gas, or related industries
•B.S., M.S., or PhD in Chemical Engineering, Mining Engineering, Metallurgy or a related field
•Ability to design experiments, troubleshoot complex processes, and analyze operational datasets
•Proven ability to utilize software and automation to improve process performance while reducing errors and resource intensity
•Strong commitment to Health, Safety, and Environmental compliance

Experience:3+ yearsMiningMinerals processingChemical engineering

Education:Bachelor's

Skills:CommunicationTeamworkTechnical writingProblem-solving

Tech Stack:PFDP&IDAutomationMachine learningData analysis

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

Sr. Metallurgical Process Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 1 hour agoStatus: Live

Job Summary

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: Industrial, Process & Manufacturing Engineering

Key Responsibilities

•Operate, troubleshoot, and improve leaching columns and other pilot-scale processing equipment in collaboration with technicians
•Design and execute pilot-scale experiments to bridge learnings between R&D and commercial mine scale
•Develop and maintain key process documentation including PFDs, P&IDs, operating procedures, mass balances, etc
•Analyze experimental and operational data to identify opportunities for process optimization and scale-up
•Support development of automated monitoring and optimization tools in collaboration with software and machine learning teams

Key Requirements

•3+ years of experience in mining, operations, process scale-up, or plant design in minerals processing, chemicals, specialty materials, oil & gas, or related industries
•B.S., M.S., or PhD in Chemical Engineering, Mining Engineering, Metallurgy or a related field
•Ability to design experiments, troubleshoot complex processes, and analyze operational datasets
•Proven ability to utilize software and automation to improve process performance while reducing errors and resource intensity
•Strong commitment to Health, Safety, and Environmental compliance

Experience:3+ yearsMiningMinerals processingChemical engineering

Education:Bachelor's

Skills:CommunicationTeamworkTechnical writingProblem-solving

Tech Stack:PFDP&IDAutomationMachine learningData analysis

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