"maintenance" Jobs
34 open tech roles matching “maintenance”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Microsoft Office, CAD, Mechanical Engineering. Every listing is re-checked daily and closed roles are removed.
Showing 14 of 34 results
Join Mariana Minerals as a Leach Pad Technician to support safe and efficient copper production in a hands-on, field-based role.
Lead the design and deployment of pilot-scale mechanical systems for a next-generation minerals processing plant in Houston.
Support the RC Driller in reverse circulation drilling operations, ensuring safety and efficiency in outdoor environments.
Join Mariana Minerals as a Mechanical Engineer to support innovative refining processes for critical minerals in a dynamic pilot plant environment.
Join Mariana Minerals as a Process Safety Engineer to enhance process safety and risk management in mineral operations.
Support drilling operations as a Diamond/Core Driller Assistant, ensuring safety and efficiency in remote outdoor environments.
Provide strategic and technical leadership in mining operations and services at Mariana Minerals in Moab, UT.
Join Mariana Minerals as a Senior/Staff Process Engineer to lead detailed engineering deliverables for critical mineral supply projects.
Operate unmanned aerial systems for mining operations, ensuring safety and compliance in a dynamic environment.
Join Mariana Minerals as an R&D Metallurgist to advance hydrometallurgical testing programs in a hands-on laboratory role.
Manage engineering activities and lead project design efforts for critical minerals supply chain projects.
Join Mariana Minerals as a Senior Analytical Chemist focusing on high-quality sample preparation and analytical testing in a safe lab environment.
Join Mariana Minerals as a Piping Design Engineer to revolutionize piping design with automation and advanced software tools.
Own a critical product domain at Mariana Minerals, driving software solutions for the minerals supply chain with a focus on operational performance.