Mariana Minerals · 15 hours ago
Senior Machine Learning Engineer
San Francisco HQ
Full-time
Hybrid
Mid, Senior Level
$140K/yr - $240K/yr
4+ years expMariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. As a Senior Machine Learning Engineer, you will lead the development and deployment of machine learning systems that control the operation of mineral refining facilities and inform major investment decisions.
Mining & Metals
Responsibilities
Partner closely with Mariana’s process chemistry and engineering teams to develop novel, data-driven models of core chemical unit operations
Train and deploy reinforcement learning models to control real-world mineral processing operations
Use physically realistic simulators to pretrain RL control algorithms, and work with subject matter experts to diagnose gaps between simulated and real-world performance
Build and maintain techno-economic models that integrate process simulation with capital costs, operating costs, and commodity price scenarios to inform investment and operational strategy
Collaborate with internal teams on sensor and instrumentation strategy, incorporating inline measurement data to improve model performance
Help design and evolve Mariana’s data architecture, including pipelines for training, validation, deployment, and monitoring of production ML systems
Qualification
Required
4+ years of post-school experience in machine learning engineering or a closely related role
Strong grounding in machine learning fundamentals, with the ability to translate research ideas into novel production systems
Experience with techno-economic modeling, process simulation, and/or quantitative analysis in complex systems
Proven ability to develop, deploy, and operate ML models in production environments
A self-starter mindset and comfort operating in high-ambiguity environments
Ability to work across the ML stack, from data pipelines to model inference and monitoring, or deep expertise in one area with a desire to grow across the stack
Company
Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
11-50 employees
H1B Sponsorship
Mariana Minerals has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
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Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (7)
Funding
Current Stage
Early StageCompany data provided by crunchbase