"process engineering" Jobs
63 open tech roles matching “process engineering”, 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 Plant Technician to support daily operations in a critical minerals supply chain.
Join Mariana Minerals as a Pilot Plant Technician on the night shift, supporting innovative refining processes for critical minerals.
Join Mariana Minerals as an R&D Metallurgist to advance hydrometallurgical testing programs in a hands-on laboratory role.
Oversee a team of technicians in a hands-on role to support innovative refining processes for critical minerals.
Join Mariana Minerals as a Senior/Staff Electrical Engineer to lead the design of medium and low-voltage power systems for refining and minerals processing facilities.
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 Data Engineer to design and build data pipelines for autonomous mineral refining operations.
Oversee shift-level plant operations at Mariana Minerals, directing a small crew to meet production and safety targets.
Lead the planning and execution of capital project programs at Mariana Minerals, driving schedules, budgets, and team alignment.
Provide electrical and controls support to refinery operations while ensuring safety and compliance.
Drive capital project delivery by overseeing end-to-end procurement of capital equipment in a growing minerals company.
Support the upkeep and repair of process and utility equipment at Mariana Minerals' East Texas Lithium One facility.
Operate heavy material-processing equipment for the efficient recycling of copper in a hands-on role at Mariana Minerals.
Lead the planning and design of greenfield project sites for innovative mining and metallurgical processing facilities.
Join Mariana Minerals as a Machine Learning Engineer to build and improve autonomous systems for mineral refining operations.
Join Mariana Minerals as a Full Stack Software Engineer to build software tools for the critical minerals supply chain.
Join Mariana Minerals as an Extractive Metallurgist to optimize mineral processing systems in a fast-paced startup environment.
Lead structural steel drafting and modeling for capital projects at Mariana Minerals, focusing on best practices and tooling.
Lead critical technical initiatives in building the next-generation critical minerals supply chain at Mariana Minerals.
Join Mariana Minerals as an Industrial Electrician to support the safe operation of mining and processing sites.