Sergio Castañeda

Experience

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  Team Silverado Enterprise

  Jul 2014 - Aug 2014

  Contracting Labor

  Cleaning under conveyor belts, removing rock spill from crushers, adding crusher curtains,replacing crusher liners, cleaning around work area, assisting welders and other teammates.

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  Team Silverado Enterprise

  May 2015 - Jun 2015

  Contracting Labor

  Cleaning the blades in the thickener tank, shoveling all debris left under and around thetank, shoveling out mud left in pond, checking pond liner for holes or water damage, assisting withinstallation of a pump and pipe lines in a Merrill Crow.

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  Metal Recovery Solutions Inc

  Dec 2015 - Jan 2016

  Junior Engineer

  - Engineering duties associated with the Hydro-Jex project consisted of designing, logistics, managing theHydro-Jex equipment, downloading and managing logs, data entry and teaching the technology to others.- Moving pipe and equipment to maintain the Hydro-Jex equipment. Following safety procedures andcomplete/report daily site inspections.

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  Tierra Group International, Ltd.

  Jun 2016 - Aug 2016

  Engineering Technician Intern

  Responsible for providing construction observation services on active mine sites, providing visual observation and written documentation of observations and interacting with both the client and third-party contractors executing their assigned duties.A significant amount of time was spent in the field, followed by office time to assist with the preparation of daily reports.

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  Newmont Corporation

  May 2017 - Aug 2017

  Engineering Intern

  -Responsible for: leading the daily production meetings, updating production numbers/excel worksheets,conducting the CAT scale study, initializing an AFE/ IRP (acceptance for expenditure/ investment review paper) and researching/contacting vendors.-Analyzing data and creating various reports such as: payload, Loader performance, geologic alterations, DILO (day in life of), Blast hole vs. Vulcan cut reports and Vims vs. Scale weight.

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  Newmont Corporation

  May 2018 - Aug 2018

  Engineering Intern

  -Investigated and improved efficiencies in drilling delays, completed full potential tasks and responsible ofdaily duties including fragmentation pictures and sampling.-Completed many special projects including redesigning parking lots, animating various ideas, assistingforemen, researching dust suppression alternatives and analyzing data along with creating reports.

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  Nevada Gold Mines

  Jun 2019 - now

  TRUG Senior Reliability Engineer o Leading the Site Maintenance team with reliability and planning support to the site maintenance execution teams, providing data collection/analysis along with reliability functions to provide data driven decisions and solutions. Provided guidance for the review of maintenance plans and reliability reports to ensure the teams were focused on preventive maintenance. Developed a borehole management system to identify/control the failure modes of the borehole pipe along with creating maintenance plans to reduce the overall cost/ton of backfill. Show less TRUG Flexible Engineer July 2023– March 2024o Assisting UG superintendents with various projects to improve overall mine efficiency and bottle necks by supplying data analysis, organized record keeping, along with creating any form of communication to carry out projects. Contributing with research and assessments of new technologies. As well as assisting with community involvement, recruiting, team events, tours and donation programs. TRUG Safety Engineer February 2023– July 2023o Conducted stope audits statewide, audited various SOPs and made necessary adjustments, proposed and standardized pedestrian lights in our company’s policy. Contributed to various incident investigations by creating diagrams/visuals/animations to better understand the incident. Assisted with MSHA and monthly area inspections. TRUG Ventilation Engineer February 2022 – February 2023o Responsible for: Creating and updating ventilation and escapeway level designs, maps and communication. Ordering and inventory of ventilation materials. Taking ventilation readings.o Projects/Job duties: Contributed to the projects surrounding the 3rd Shaft commissioning including ventilation flow change, air door and bulkhead installation and 3rd fan flow measurements. Show less VUG Short Range Planning Engineer February 2021 – February 2022o Responsible for: Daily – 3 Month Level/stope design, scheduling and reporting, coordination and plan execution between NGM and contractors.o Projects/Job duties: Planning and meeting quarterly plans, reducing narrow vein downhole stope overbreak by 20%, implementing new drill and blast designs to reduce stope cycle times and involved with development design/scheduling of Vista expansion. Project manager of air-lock installation.TRUG Short Range Planning Engineer June 2019 – February 2021o Responsible for: Level/bench design and scheduling, weekly planning and utility work, drill and blast design and coordination of bench and drop raises between operations and contractors.o Projects/Job duties: Involved with communication between all departments, contributing to JSA/FRA, standardization of collecting bench performance, contributed to 40% reduction of bench drilling cost, muck bay design efficiencies and involved with adaptation of new equipment including adjusting drifts, level designs, muck bays and loading points. Show less

  • Senior Reliability Engineer

    Feb 2024 - now

  • Mine Engineer II

    Feb 2022 - Feb 2024

  • Mine Engineer I

    Jun 2019 - Feb 2022