Senior Production Geologist

Join to apply for the Senior Production Geologist role at NexGen Energy Ltd. Application Deadline: 19 January 2026 Department: Mine Technical Services Location: Saskatoon, SK – Downtown Saskatoon Office. Occasional travel to the Rook I site may be required. Description NexGen Energy is seeking a Senior Production Geologist to join the Mine Technical Services (MTS) Team to support the advancement of the Rook I Project. As a key technical leader, the successful applicant will develop a deep understanding of the Arrow deposit and translate that knowledge into mine-focused geological systems, drilling programs, and production support. This role will be foundational in establishing the mine geology function ahead of production and will provide direction to future core loggers, geotechnicians, and junior geologists. Key Responsibilities Develop an expert-level understanding of the Arrow deposit, becoming the primary geological authority for mine-related drill planning, geologic interpretation, and production-focused logging. Compile, integrate, and interpret historical geological information, including technical reports, drillhole data, geophysical datasets, mapping, and QA/QC records. Lead and execute ongoing resource model updates, validating existing grades and geological domains in support of mine design and production scheduling. Manage external consulting geologists and subject matter experts. Design and implement an underground geological mapping system that integrates 3D models, 2D mapping data, and new underground observations. Develop production geological reporting systems, including templates, workflows, and regulatory-compliant documentation required for submission to the Province of Saskatchewan. Lead sampling program management, including ongoing metallurgical sampling and geotechnical and geomechanical sample programs. Drive Arrow-specific data management, working with the corporate Database Manager to organize, maintain, and update geological datasets. Coordinate and liaise with key consultants, including resource estimation consultants, geotechnical, geometallurgy, and other subject matter experts as needed. Support the Exploration Team as required, including greenfield deposit modelling, metallurgical sampling programs, and geotechnical initiatives that relate to Arrow or future brownfields targets. Working closely with Mine Planning and Development teams to align drill target locations with lateral development advance schedules. Prioritizing diamond drill holes to support short-term stope definition, medium-term resource conversion, and longer-term orebody growth. Work closely with contracts team to advance any drilling contracts. Closer to Construction and Operations, lead the resource management and production geology functions, including grade control programs and supervision of mine geology team (geologists, core loggers, and geotechnicians). Skills, Knowledge and Expertise Bachelor’s degree in Geology, Earth Sciences, or Geological Sciences; a Master’s degree is an asset. Registration as a P.Geo. in Saskatchewan. Strong geological background, including structural geology, lithological interpretation, complex 3D modelling, grade control systems, and resource conversion. Demonstrated experience with drill program design and management (preferably both surface and underground). Proven ability to create and manage complex procedures, operational workflows, and technical documentation. Strong understanding of HSER principles, with a minimum requirement of robust Health, Safety, and Environmental experience; radiation protection experience or uranium-sector experience is a major asset. Familiarity with Saskatchewan drilling, mining, and regulatory frameworks, including reporting expectations for operating mines. Proficiency with geological modelling and database tools (e.g., Leapfrog, Deswik/CAESAR, Datamine, acQuire, MX Deposit). Excellent communication skills with the ability to confidently direct junior technical staff and collaborate across engineering, geology, metallurgy, radiation protection, and project management teams. Strong organizational and analytical skills with a commitment to maintaining data accuracy and geological integrity. Core Competencies Communication Communicates in an open candid and consistent manner with impact to inform, enroll, coach, and inspire. Effectively builds rapport and appropriately delivers information (oral and written) in a timely, well-organized, thoughtful, and engaging manner. Team Effectiveness Works collaboratively across functional teams, embracing unique talents and diverse perspectives, to achieve common goals. Takes a proactive approach to building relationships by actively participating as a prepared team member, demonstrating flexibility and respect for different work styles. Work Management Plans, manages and follows through to ensure the flow and timely completion of activities to deliver successful work results. Maintains quality and safety standards to ensure NexGen's Elite Standards are met across all work streams. Demonstrates flexibility and adaptability. Personal Accountability Takes responsibility for own actions and outcomes. Maintains effective and professional approach, demonstrating resilience and accountability in a fluid fast paced work environment. Analytical/Critical Thinking Able to identify, articulate and problem solve for complex situations with consideration for outcomes. Provides clear and informative explanations to support effective decisions in line with company objectives. Uses creative, conceptual, and/or inductive reasoning. Functional & Technical Skills Applies specialized knowledge in own area of expertise and openly shares information and knowledge with others. Seniority level Mid-Senior level Employment type Full-time Job function Research, Analyst, and Information Technology Industries Mining #J-18808-Ljbffr