Principal Consultant – Geotechnical

Ezilma Cordeiro Dias is an accomplished Principal Consultant in Geotechnical Engineering with more than 18 years of experience in the global mining industry. Based in Perth, she specialises in open-pit geotechnical engineering and underground mine geotechnical support across a range of commodities including iron ore, copper, nickel, and gold. Her expertise covers large and mid-size soft-rock and hard-rock operations, as well as challenging seismic underground mines in Western Australia’s Goldfields region.

Ezilma has worked at every stage of the mining lifecycle – from greenfield mine design through to operational geotechnical risk management – delivering geotechnical reviews, pre-feasibility studies, and feasibility studies for projects and operations worldwide. With over 15 years of site-based experience in both open-pit and underground mining, she brings a practical, operational perspective to her consultancy work.

Her focus is on providing tailored geotechnical solutions that improve mine safety, optimise operational performance, and ensure accurate, reliable design and planning decisions. Whether advising on pit slope stability, underground ground support, or site-specific geotechnical challenges, Ezilma’s depth of technical knowledge and hands-on approach make her a trusted advisor to mining operations in Australia and internationally.

Snowden Optiro provides advice, mining consulting, training and innovative software solutions to mining and exploration companies, their advisors and investors.