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Showing 61 to 74 of 74
Role Overview We are hiring a Senior / Staff Electrical Engineer to own the medium and low-voltage power systems behind our refining and minerals processing facilities. From the incoming service point through the MV substations, e-houses, MCCs, and drives, down to the last motor
The Role The Engineering Technician plays a critical technical role in bridging field operations with process engineering. In addition to equipment operation, this position serves as a key resource for interpreting engineering drawings, supporting equipment selection, and mainta
The RC Driller Assistant supports the RC Driller in all aspects of reverse circulation drilling operations. This position involves assisting with equipment setup, sample collection, maintenance, and general site duties. The role requires physical strength, attention to safety, an
The Diamond/Core Driller Assistant supports drilling operations by assisting the Lead Driller with equipment setup, operation, maintenance, and site activities. This role requires physical endurance, attention to safety, and the ability to work in remote outdoor environments. The
The Role Mariana Minerals is looking for a highly motivated Design Manager to work on building the critical minerals supply chain to support the world’s energy transition. In this role, you will manage design, tasks, and the flow of information across internal and external engi
Role Overview We are hiring a Manager, Piping Design & Engineering to build and lead the piping discipline behind our refining and minerals processing facilities. The team, the 3D model, the design workflows, and the standards every piping deliverable comes out of. You will own
The Reverse Circulation (RC) Driller operates RC drilling rigs to support mineral exploration and mining programs. The role focuses on safe, efficient drilling operations, high quality sample recovery, equipment care, and compliance with health, safety, and environmental standard
The Diamond/Core Driller is responsible for safely and efficiently operating diamond drilling equipment to recover high-quality core samples for mineral exploration and geological evaluation. This role requires precision drilling, strong mechanical skills, and strict adherence to
The Role Mariana Minerals is seeking a highly motivated Sr. Site Development Engineer to lead the planning and design of greenfield project sites. In this role, you will be responsible for end-to-end site development—from early-stage site selection and feasibility through detail
The Role Mariana Minerals is seeking a highly motivated Process Engineer to support our next-generation minerals processing pilot plant in Houston. You will help design, deploy, and operate first-of-its-kind refining processes for critical minerals. This role is highly hands-on
The Role The Leach Pad Technician is a hands on, field based role responsible for performing manual and equipment assisted labor on the leach pad to support safe and efficient copper production. You will operate heavy equipment, perform pipe welding and layout, and assist with d
The Role The IT Technician will provide onsite technical support at a remote mine site, ensuring the reliability, security, and performance of all technology systems that support mining operations. This role supports endusers, network infrastructure, hardware, software, communic
The Role We are hiring a Drill & Blast Engineer to design, execute, and optimize drilling and blasting operations at our surface copper site in La Sal, UT. In this role, you will lead blast design, oversee drilling programs, and partner closely with mine operations to deliver sa
Role Overview Mariana Minerals is looking for an experienced Senior Full Stack Software Engineer to lead critical technical initiatives in building the next-generation critical minerals supply chain to support the world's energy transition. As a Senior Full Stack Software Engin