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The RC Driller operates drilling rigs for mineral exploration, ensuring safe operations, high-quality sample recovery, and adherence to safety standards in remote environments.

Lead end-to-end execution of Mariana's capital project programs from development through construction, owning schedules, budgets, risk management, and cross-functional coordination. Manage and grow a team of Technical Program Managers, drive deployment of capital-project software tools, standardize project development and execution, and partner with finance and business development on capital allocation and project economics.

The Staff Product Manager will own a product domain at Mariana Minerals, focusing on software development for physical systems in mining and minerals processing, requires significant on-site experience and cross-functional leadership.

The Senior Full Stack Software Engineer will lead software architecture and implementation, mentor team members, and integrate complex systems for minerals supply chain management.

Hands-on senior accounting role supporting month-end close, journal entries, reconciliations, and financial reporting across multiple entities. Partner with FP&A and operations, assist audits and tax filings, improve controls, and implement accounting systems and automation.

Lead and manage accounts payable operations across multiple entities, ensuring accurate invoice processing, vendor management, AP controls, team leadership, process improvements, AP automation implementation, and reporting of key AP metrics to Finance leadership.

Own product design for MarianaOS by simplifying complex, data-dense workflows. Build and maintain a design system (including coded components), prototype in code when useful, partner closely with PMs and engineers from problem framing to shipped UI, run lightweight user research, and set short-horizon design direction while giving and receiving fast design feedback.

Lead technical sourcing for engineering and automation teams by developing targeted searches, engaging passive candidates, conducting talent mapping and market research, partnering with recruiters and hiring managers, improving sourcing methodologies and tooling, and tracking metrics to build long-term candidate relationships and pipelines.

Lead technical direction for autonomous mineral refining by designing, validating, and deploying RL-based control models. Own autonomy roadmap, set simulator and modeling standards, solve sim-to-real and non-stationarity problems, partner with domain experts and leadership on techno-economic decisions, and mentor engineers while delivering production ML that runs on live plant equipment.

Develop and train reinforcement-learning control models in realistic simulators, refine training environments and reward logic, analyze and improve model performance, close the sim-to-real gap with plant data, write well-tested production code, and collaborate with process and chemistry experts to deploy autonomous controllers optimizing recovery, reagent use, energy, and uptime.