"mineral processing" Jobs
63 open tech roles matching “mineral processing”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Chemical Engineering, Machine Learning, Python. Every listing is re-checked daily and closed roles are removed.
Showing 20 of 63 results
Join Mariana Minerals as a Process Maintenance Technician to ensure the reliability and safety of mining operations.
Join Mariana Minerals as a Staff Process Engineer to design and operate innovative refining processes for critical minerals in Houston.
Operate heavy material-processing equipment for the efficient recycling of copper in a hands-on role at Mariana Minerals.
Join Mariana Minerals as a Process Maintenance Technician to ensure the reliable operation of processing facilities in a safety-sensitive environment.
Join Mariana Minerals as a Senior Process Engineer to lead chemical process development and scale-up in a fast-paced environment.
Join Mariana Minerals as an Engineering Technician to support recycling operations with hands-on mechanical skills and technical documentation expertise.
Join Mariana Minerals as an Extractive Metallurgist to optimize mineral processing systems in a fast-paced startup environment.
Join Mariana Minerals as a Process Plant Technician to support daily operations in a critical minerals supply chain.
Join Mariana Minerals as a Staff Process Modeling Engineer to develop next-generation refining processes for critical minerals.
Join Mariana Minerals as an R&D Metallurgist to advance hydrometallurgical testing programs in a hands-on laboratory role.
Lead the design and deployment of pilot-scale mechanical systems for a next-generation minerals processing plant in Houston.
Join Mariana Minerals as a Sr. Process Engineer to lead innovative refining processes for critical minerals in a hands-on role.
Lead the development of innovative chemical refining processes at a software-first minerals company.
Lead the development of innovative chemical refining processes at a software-first minerals company.
Join Mariana Minerals as a Pilot Plant Technician to support innovative refining processes for critical minerals in a hands-on role.
Join Mariana Minerals as a Senior/Staff Process Engineer to lead detailed engineering deliverables for critical mineral supply projects.
Join Mariana Minerals as a Mechanical Engineer to support innovative refining processes for critical minerals in a dynamic pilot plant environment.
Lead the development and deployment of innovative chemical refining processes at a software-first minerals company.
Oversee shift-level plant operations at Mariana Minerals, directing a small crew to meet production and safety targets.
Join Mariana Minerals as a Sr./Staff Pyrometallurgical Process Engineer to lead innovative high-temperature refining systems for critical minerals.