Mineral Processing

Mineral Processing Engineer Jobs

2 jobs found

1mo ago

Senior Engineer - Metallurgy

Rio Tinto Salt Lake City, UT

Salt Lake City, UT

1mo ago Closed

Full time Senior Data Processing Engineering

This position is no longer accepting applications (closed Jul 18, 2026).

Job Description

Rio Tinto seeks a Senior Engineer - Metallurgy for an onsite role in Salt Lake City, focusing on the Kennecott Copper concentrator. The position centers on safe, efficient concentrator performance with emphasis on throughput, recovery, concentrate quality, and cost efficiency, combining site-based responsibilities with hands-on technical leadership.

Responsibilities

Engage in site safety initiatives, perform risk assessments, contribute to daily production briefings, and support field leadership activities.
Track and evaluate concentrator performance metrics such as recovery, ore grade, concentrate quality, and reagent usage.
Identify performance gaps and implement practical operating strategies to achieve metallurgical targets.
Deliver timely technical guidance to operators, maintenance personnel, and cross-functional teams.
Collaborate with Operations, Maintenance, and Control Room to optimize setpoints, reagent strategies, and circuit configuration.
Assist in troubleshooting process upsets and lead or support sampling and laboratory testing activities.
Conduct metallurgical and statistical analyses using PI, Minitab, and JMP, and document findings and recommendations.
Lead or contribute to continuous improvement initiatives aimed at enhancing recovery, stability, and cost efficiency.

Requirements

A commitment to the safety of oneself and the team.
Bachelor’s degree in Metallurgical or Chemical Engineering, or a related discipline.
Two or more years of experience in a concentrator or mineral processing environment, with flotation experience preferred.
Strong understanding of flotation fundamentals, plant data analysis, and process troubleshooting.
Experience working closely with operations in a high-throughput, continuous processing environment.
Proficiency with plant data and statistical analysis tools such as PI, Minitab, and JMP.
Strong communication and collaboration skills, with the ability to build trust across teams.
Self-motivated with solid time management, capable of balancing day-to-day support with longer-term improvement work.

Technologies

PI
Minitab
JMP

Benefits

A work environment where safety is the top priority.
Competitive base salary with an annual incentive bonus reflective of skills and experience.
Access to comprehensive health programs including medical, prescription drug, dental, vision, life insurance coverage, and voluntary benefits.
Excellent retirement plan with up to 6% company contribution and a generous 401k match.
Attractive share ownership plan.
Comprehensive leave policies, including paid time off, paid holidays, and paid bereavement leave.
Generous parental leave policy to support growing families.
Discount programs for leisure and access to Virgin Pulse incentives for wellbeing.
Access to an Employee Assistance Program providing confidential counseling and guidance for employees and their families.

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1mo ago

Engineer IV

General Atomics Grants, NM 🇺🇸 Remote

Grants, NM

1mo ago Closed

$89k - $156k/yr Full time Senior AutoCAD BIM

This position is no longer accepting applications (closed Jun 22, 2026).

Job Description

General Atomics seeks an Engineer IV for its Grants, NM location with remote work options. Within the Uranium Resources Group, the role leads process and plant design and oversees project execution from FEED through commissioning, with a focus on mineral processing and safety/compliance.

Responsibilities

Develop and review Process Flow Diagrams (PFDs) and Piping and Instrumentation Diagrams (P&IDs) for mineral processing circuits, including comminution, leaching, solvent extraction, precipitation, and drying.
Size and select equipment such as pumps, tanks, thickeners, crushers, and material handling systems.
Perform hydraulic calculations, mass and energy balances, and pressure relief sizing.
Collaborate with civil/structural and electrical teams to optimize plant layout and constructability.
Prepare technical scopes of work for equipment procurement and construction contracts.
Provide field engineering support during the construction phase, resolving RFIs and technical queries from contractors.
Lead or assist in Plant Commissioning and Start-up activities, troubleshooting operational issues during ramp-up.
Manage small to medium capital projects, tracking schedules and budgets.
Participate in Process Hazard Analyses (PHA) and HAZOP studies.
Ensure all designs comply with MSHA regulations and uranium radiation safety standards aligned with ALARA principles.
Adhere to all company policies and procedures.
Perform other duties as reasonably required within the scope of the employee’s skills and experience.

Requirements

Typically requires a bachelor’s, master’s, or PhD in Chemical Engineering, Mechanical Engineering, Metallurgical Engineering or related technical discipline from an accredited institution, with progressive experience: six or more years with a bachelor’s degree, four or more years with a master’s, or two or more years with a PhD. Equivalent engineering experience may substitute for education.
Minimum of 6+ years of progressive engineering experience in the mining, mineral processing, or heavy chemical industry.
Demonstrated experience in Process Design (mass balances, P&IDs) and Plant Design (equipment layout, piping design).
Experience supporting the construction phase of industrial projects.
Proficiency in reading and marking up engineering drawings.
Strong technical writing skills and the ability to communicate complex engineering concepts to operations staff and contractors.
Willingness to travel to mine sites up to 25% of the time.

Technologies

AutoCAD
Plant 3D
Navisworks

Job Category

Engineering

Experience Level

Mid-Level (3-7 years)

Work Style

Remote

Employment Type

Full-Time salary

Salary Range

USD 89,110 - 155,680 per year

Travel Requirements

0% - 25% travel

Relocation Assistance

US Citizenship

Security Clearance

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Mineral Processing Engineer Jobs

Senior Engineer - Metallurgy

Engineer IV

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