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Alfredo Yordanis Johnson Santiago

@alfredoyordanisjohns

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Senior mining geology professional with 15+ years in open-pit mining, data control, and geological analysis.

Brazil

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What I'm looking for

I’m looking for a role in mining geology where I can apply open-pit experience, geological data planning/analysis, and resource/reserve control to support research and operational decisions.

I am a mining geology professional with over 15 years of experience in open-pit mining, having worked with Nickel Projects Center (CEPRONIQUEL), Nickel Research Center (CEDINIQ), and producers of iron (Fe), nickel (Ni), and cobalt (Co). I bring field-and-office experience as a project engineer in mining geology, alongside roles as a researcher and resource and reserve control specialist.

I focus on geological data planning and analysis, and I apply deep expertise in the milling of industrial rocks and minerals for macroscopic and microscopic technological analysis. Through industrial production of gravel and sand, I have delivered services to the Nickel Research Center and the civil construction industry, combining technical rigor with practical execution.

Experience

Work history, roles, and key accomplishments

Project Engineer (Mining)

Nickel Projects Center (CEPRONIQUEL)

Served as a field project engineer in open-pit mining geology, supporting geological data planning and analysis and contributing to resource and reserve control. Provided milling and sample preparation of industrial rocks and minerals for macroscopic and microscopic technological analysis.

Open Pit Mining Geological Data Planning Sample Milling For Macroscopic Microscopic Prep Technological Mineral Analysis Materials Processing For Gravel And Sand

Mining Geology Research Specialist

Nickel Research Center (CEDINIQ)

Worked as a researcher and resource and reserve control specialist, using field and office expertise to plan and analyze geological data for open-pit mining. Performed industrial milling of rocks and minerals to support macroscopic and microscopic technological analysis and service delivery to research and civil construction clients.

Geological Data Planning Sample Milling For Macroscopic Microscopic Prep Technological Mineral Analysis Open Pit Mining