María José Rey Ocampo

Geologist | Hydrogeologist | Hydrogeology & Environmental Consultant | Groundwater | Mining Environmental Management | Hydrogeochemistry (PHREEQC, Piper) | Geothermal | Exploration | Science + Community

San Juan, San Juan, Argentina

About

Experience

  • Hydrogeologist – Geologist | Hydrogeology & Environmental Consultant at Self-employed
    2021 - Present · 5 yrs 7 mos

    Hydrogeochemical analysis and modeling: PHREEQC, Piper diagrams, and groundwater quality assessment. Hydrogeological monitoring: measurement of groundwater levels, pressure, and temperature with Data Logger and WINSITU; pumping and packer tests; sampling with Hydrasleeve and bailer under QA/QC protocols. Environmental and meteorological monitoring: installation and supervision of meteorological stations; data download and processing with WeatherLink and LogTag Analyzer; integration of meteorological variables into water balance studies. Mining environmental management: drafting, review, and updating of Environmental Impact Assessments (EIA); follow-up of files; institutional technical representation. Cartography and spatial analysis: development of thematic and environmental maps using GIS (QGIS). Field campaigns: availability for groundwater and natural spring (outcrop) sampling campaigns; technical supervision of drilling; geological logging of drill cores. Training and community projects: technical talks, workshops, and productive initiatives aimed at the sustainable management of water resources and strengthening of local capacities.

  • Geóloga de Campo – Proyecto El Pachón (Geotecnia) at MPC CONSULTORA S.A.
    Jan 2026 - May 2026 · 5 mos

    Supervisión de perforaciones orientadas (diamond drilling) en campaña geotécnica. Ejecución y control de ensayos de permeabilidad in situ (Lefranc y Lugeon). Registro geológico y geotécnico de testigos orientados, medición de orientaciones de discontinuidades mediante parámetros Alfa-Beta y caracterización estructural del macizo rocoso. Control QA/QC y coordinación con equipos de perforación en alta montaña.

  • Hydrogeologist – Geologist at Minera ARLI SA
    Jan 2024 - Jan 2025 · 1 yr 1 mo

    Supervised and measured groundwater levels at the Arizaro Project. Collected brine samples using Packer tests, pumping tests, Hydrasleeve, and Bailer methods. Conducted aquifer characterization tests, core and cutting logging. Supervised rotary and diamond drilling platforms. Contributed to lithium exploration in the area. Interpreted hydrogeological data to understand aquifer dynamics. Coordinated site opening/closure and supervised contractor personnel. Used Data Logger and WINSITU software to monitor pressure, temperature, and water level changes. Prepared daily reports, created maps with QGIS, managed equipment inventory using Bejerman software. Skills: Fieldwork · Supervision skills · Data processing · Technical reporting

  • Ruhr University Bochum (1 yr 3 mos)
    • MSc Student – Thesis
      Apr 2023 - Nov 2023 · 8 mos

      Thesis (currently under final revision): Hydrogeochemical Characterization of Thermal Waters in the Northern Argentinean Andes (San Juan, Catamarca, Salta, Jujuy). Supervisors: Prof. Dr. Stefan Wohnlich, Dr. Andrea Hachenberg, Dr. Sofía Pérez Luján Skills: Data analysis · Fieldwork · Hydrogeochemistry

    • Research assistant in Geosciences / Master's student in Geosciences.
      Mar 2023 - Aug 2023 · 6 mos

      Supervisor: Prof. Dr. Stefan Wohnlich

    • Master's Student – Applied Geothermics (Binational Program)
      Sep 2022 - Feb 2023 · 6 mos

      Third-semester student in the binational Master's program in Applied Geothermics between Argentina and Germany, funded by a DAAD scholarship. Skills: Fieldwork · Academic research · Geothermal systems

  • Environmental Advisor – Geologist at Ministry of Mining – Government of San Juan
    Jul 2017 - Sep 2022 · 5 yrs 3 mos

    Area: Secretariat for Environmental Management and Mining Control Sector: Department of Environmental Mining Assessment Role: Environmental Advisor Main responsibilities: Evaluated Environmental Impact Reports (EIRs) for mining, hydrocarbons, and geothermal activities (Annex II - Law 24.585). Contributed to the drafting of technical reports for Environmental Impact Statements. Monitored deadlines and compliance, reporting irregularities to the Directorate. Skills: Environmental advising · Field supervision · Performance assessment · Project monitoring · Data analysis