Principal Resource Geologist Project Stibnite Gold Project - Stibnite Idaho USA Work Location Stibnite Boise Donnelly offices with remote work flexibility as appropriate Salary Competitive Employment Type Full -Time Regular Employee Application Deadline Position open until filled About Perpetua Resources Perpetua Resources is an Idaho -based company committed to responsible mining and environmental stewardship. Our mission is to restore the abandoned Stibnite Mining District while responsibly developing its rich resources of gold and antimony -an essential m ineral for national defense and sustainable technologies. Why Join Us • Environmental Restoration Be part of a team dedicated to restoring ecosystems and improving water quality in historically impacted mining areas. • Innovative Projects Contribute to the Stibnite Gold Project designed to responsibly develop critical mineral resources while rehabilitating the environment. • Community Engagement Work with a company that values transparent partnerships and actively invests in local communities. • Professional Growth Join a diverse team of scientists engineers and environmentalists committed to excellence and innovation. At Perpetua Resources we believe in balancing resource development with environmental care to create a sustainable future. Join us in making a lasting positive impact on Idaho and beyond. Learn more at www.perpetuaresources.com About The Position Reporting to the Technical Services Superintendent the Principal Resource Geologist is the senior -most technical authority responsible for geological modeling and resource estimation for the Stibnite Gold Project. This role leads the development maintena nce validation and governance of 3D geological geometallurgical and mineral resource models that support mine design production forecasting and SEC S -K 1300 compliant reporting. The Principal Resource Geologist integrates exploration production metallurgical geotechnical and reconciliation datasets into coherent geological interpretations and estimation frameworks. The role sets technical standards for the geology function provides expert internal review and sign -off supports cross -disciplinary integration and may serve as a Qualied Person for mineral resource estimation and technical disclosure Essential Duties and Responsibilities 1. EH&S • Demonstrate and uphold Perpetuas commitment to safety and environmental stewardship. • Ensure geological and modeling activities comply with MSHA environmental regulations and internal company standards. • Promote data integrity transparency and responsible resource reporting practices. 2. Technical Leadership - Geologic Interpretation & Modeling • Lead the development and maintenance of 3D geological structural lithological geometallurgical and resource models for all deposits. • Dene modeling workows domaining logic and estimation strategies consistent with best practice geostatistics and geological understanding. • Conduct or oversee data validation compositing variography estimation OK IDW MIK conditional simulation and resource classication processes. • Document all assumptions methodologies and validation outputs to ensure audit -ready models. • Provide technical review and sign -off on geological interpretations domains and estimation inputs produced by junior and intermediate geologists. • Lead internal peer reviews and participate in external technical due diligence. 3. Resource Estimation & Governance • Maintain a formal resource model governance framework including version control documentation and model release protocols. • Establish and apply resource classication criteria Measured Indicated Inferred consistent with SEC S- K 1300 requirements. • Ensure resource model outputs appropriately support modifying factor assumptions for reserve estimation workows. • Prepare mineral resource statements for internal and external disclosure. • Coordinate with external Qualied Persons or consultants during annual updates audits or project reviews. 4. Technical Report Summary S -K 1300 Responsibilities • Capable of serving as a Qualied Person for mineral resource estimation and related technical disclosure if designated by Perpetua. • Review approve and sign off on resource models estimation methodologies and supporting documentation. • Ensure all geological drilling sampling QAQC and estimation data used for reporting meet industry- recognized standards and demonstrate defensible data quality. • Contribute to the preparation of the Technical Report Summary TRS including authoring or co -authoring relevant sections. • Provide clear defensible explanations of geological and estimation assumptions for regulators investors auditors and other stakeholders. 5. Data Management & Integration • Oversee geological databases including drilling assays density geotechnical and metallurgical datasets. • Implement and maintain robust QAQC procedures for drilling sampling and analytical workows. • Ensure complete traceable data lineage from raw data through compositing domaining estimation and nal model products. • Integrate operational data grade control production drilling blast holes surveys into long -range resource models. • Collaborate with the Production Geology team to maintain alignment between resource models and operational grade control models. 6. Collaboration with Engineering Metallurgy Exploration & Operations • Support mine engineering with reserve -ready resource models dilution and recovery assumptions ore control boundaries and grade distribution forecasts. • Partner with metallurgy to rene geometallurgical domains recovery functions and mineralogical controls on processing outcomes. • Provide geological inputs to mine planning scheduling equipment selection and stockpiling strategy. • Lead root -cause analysis for reconciliation variances and recommend operational or modeling adjustments. • Participate in multi- disciplinary planning and continuous improvement initiatives. • Work closely with exploration team to develop evaluate targets within SPG area to support ongoing operations and future expansions 7. Technology & Systems Development • Utilize industry -standard modeling and estimation platforms Leapfrog Vulcan Surpac Datamine or equivalent. • Develop automated workows Python R SQL LeapfrogVulcan APIs to streamline model updates QAQC and reporting. • Ensure geoscience datasets are integrated with mine planning GIS digital geology systems and corporate data platforms. • Identify and evaluate emerging technologies in structural modeling machine learning geometallurgy and digital geology. 8. Team Leadership Mentorship & Field Oversight • Provide technical leadership mentoring and coaching to geologists and geological technicians. • Lead internal training on geological interpretation database management geostatistics and modeling tools. • Dene and maintain technical standards workows and modeling protocols for the geology team. • Promote a high standard of technical rigor collaboration and professional development. 9. Budget Management & Reporting • Support development of budgets for drilling sampling modeling and external consultant programs. • Prepare technical reports presentations and supporting materials for management regulators and external stakeholders. • Provide geological and resource inputs for mine planning business planning and long- range forecasting. 10. Compliance & Reporting • Ensure compliance with internal and external standards for geological data resource estimation and technical reporting. • Maintain complete traceable auditable documentation for all geological and modeling work. • Support regulatory engagement permitting processes and technical submissions as required. Schedule & Logistics The Principal Resources Geologist may be based at one of Perpetuas offices in Boise or Donnelly Idaho. However this position has exibility to locate where the work needs to be performed i.e. Donnelly Boise or remote work may be applicable for the correct individual. The employee is required to provide hisher own transportation to the assigned office. Travel will be required to Stibnite Donnelly Boise and contractor offices as related to job needs. Minimum Qualifications • B.S. in Geology Geological Engineering or Earth Science M.S. preferred. • Professional registration PG P.Geo CPG or equivalent required or attainable. • Must meet or be able to meet within 12 months the qualifications of a Qualified Person for mineral resource estimation under SEC S- K 1300. • Minimum 10 years of geological experience including extensive experience in geological interpretation geostatistics and resource estimation. • Demonstrated expertise in QAQC model governance and validation. • Experience with intrusive -related gold systems structurally complex deposits or multi -commodity systems considered an asset. • Experience supporting mine planning feasibility studies reconciliation and technical reporting. • Advanced proficiency in geological modeling software Leapfrog Vulcan Datamine Surpac or equivalent. • Strong practical understanding of geostatistics estimation techniques and resource classification standards. • Proficiency with scriptingautomation tools Python SQL R LeapfrogVulcan APIs. • Excellent communication and cross -disciplinary collaboration skills. • Strong analytical organizational documentation and technical writing skills. • Personal Leadership - Learning Agility • Personal Leadership - Modeling Leadership • Relationship Focus - Collaboration and Communication • Strategic Integration - Problem Solving Planning Prioritization • Drive Organizational Results - Performance Coaching Results Focus Physical & Environmental Requirements • Ability to perform desk -based computer work for extended periods. • Capability to conduct eld visits including rugged terrain and variable weather conditions. • Flexibility to work on- site at the Stibnite Gold Project in a camp setting as required. What We Offer At Perpetua Resources we are committed to supporting our employees with a comprehensive benets package that promotes well -being nancial security and career growth. We believe in fostering a workplace where our team members thrive personally and professionally. What We Offer Health & Wellness • Comprehensive medical dental and vision insurance • Health savings account HSA available with eligible health plan choice • Employee assistance program EAP for mental health and well -being • Company -paid Life Flight membership for employeesimmediate family • Pre-tax Flexible Spending Accounts FSAs for medical and dependent care expenses Financial Security • Competitive salary • Short -Term Incentive Plan STIP - Annual performance -based bonus program • Long -Term Incentive Plan LTIP - Equity -based compensation for long -term success • 401k retirement plan with company matching contributions • Employee Assistance Program Work -Life Balance • Paid time off PTO and company -recognized holidays • Parental leave • Flexible work arrangements role -dependent Professional Growth • Career advancement opportunities within a growing company • Industry conference attendance and networking opportunities • Internal training programs and cross -functional learning Additional Perks • Company -paid professional memberships e.g. industry associations networking groups • Travel assistance and reimbursement for work -related conferences or site visits • Commitment to sustainability and community engagement At Perpetua Resources we take pride in creating a workplace where employees feel valued and empowered. If youre looking for a career that combines purpose growth and a strong team environment wed love to have you join us What we Require • Candidates may be required to pass a medical exam. • Candidates must pass all required training andor testing. • Perpetua Resources Idaho Inc. promotes a drugalcohol -free work environment using mandatory pre -employment drug testing and on- going drug and alcohol testing as allowed by applicable laws. Ready to Join the Perpetua Resources Team If youre passionate about making a difference in one of the most environmentally driven mining projects in the country wed love to hear from you To apply Send resume and cover letter directly to employmentperpetua.us Perpetua Resources is committed to equal employment opportunity. All qualied applicants will be considered without regard to race color sex age religion national origin disability or any other characteristic protected by federal state or local law.