Metallurgical Testwork Lead for Flowsheet Design

McCarl's Technical Services; Wheat Ridge (CO); On-site; USD 85,000 - 130,000; Full time

Job summary

McCarl's Technical Services is seeking a Process Metallurgist to design, execute, and report metallurgical testwork programs for clients across commodities, delivering data for flowsheets and mass/water balances.

You will collaborate with engineering teams to translate lab results into process and plant design, support FEED studies, and present findings to clients, while ensuring QA/QC, safety, and timely project delivery.

Qualifications

• B.S. in Metallurgical/Mineral Processing or Chemical Engineering.
• Hands-on metallurgical testwork experience in a commercial lab, operating plant, or consultancy.
• Experience with flotation and hydrometallurgy; strong data analysis and reporting skills.
• Ability to lead testwork programs end to end and manage client relationships.
• Experience translating lab results into flowsheet design and study-level engineering (PEA/FEED).

Responsibilities

• Develop and manage testwork scopes, budgets, and schedules for various projects.
• Execute and supervise comminution, gravity, flotation, leach, and solid-liquid separation testwork.
• Design test matrices, interpret results, and translate data into flowsheet recommendations.
• Collaborate with engineering clients and staff on process and plant design and equipment sizing.
• Provide metallurgical basis for estimates and support FEED-level studies.
• Author clear, defensible client reports and present findings to teams and clients.
• Coordinate sample prep, assaying, and mineralogy with labs; ensure QA/QC integrity.
• Maintain laboratory safety, data management, and chain-of-custody standards.
• Support proposal development and client business development as a technical resource.

Skills

Metallurgical testwork

Data analysis

Client communication

Mentoring

Education

B.S. in Metallurgical/Mineral Processing or Chemical Engineering

Tools

METSIM

JKSimMet

Factsage

HSC

Aspen

Limn

Job description

McCarl's Technical Services is seeking a Process Metallurgist to design, execute, and report metallurgical testwork programs for clients across commodities, delivering data for flowsheets and mass/water balances.

You will collaborate with engineering teams to translate lab results into process and plant design, support FEED studies, and present findings to clients, while ensuring QA/QC, safety, and timely project delivery.