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Trades jobs in United States
14 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
1–14 of 14 jobs
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Maintenance Technician, Electrical
YesterdayMariana Minerals · Joaquin, Texas, United States
On-siteFull-timeMid levelTrades & logisticsInstall, maintain, repair, and test electrical, control, communication, and measurement equipment, including medium and low voltage motors, switchgear, breakers, and motor control centers; Troubleshoot and diagnose issues with PLCs, relay systems, and instrumentation across the…
Stacking/Sizer Operator
8 days agoMariana Minerals · Moab, Utah, United States
On-siteFull-timeTrades & logisticsThe Equipment Operator plays a critical operational role in supporting mine production through the safe and efficient operation of heavy equipment, including stackers and sizers.
R&D Technician
8 days agoMariana Minerals · San Francisco, California, United States
On-siteFull-time$40.00 – $47.00 an hourTrades & logisticsThe R&D Technician executes designed experiments and operates chemical processing equipment to advance Mariana Minerals' hydrometallurgical and purification technologies. This hands-on role focuses on running DOE protocols, operating tank reactors and purification systems, and…
Controls Technician
11 days agoMariana Minerals · Joaquin, Texas, United States
On-siteFull-timeMid levelTrades & logisticsTroubleshoot and diagnose electrical and controls issues across industrial equipment and processes, using system knowledge and the right instruments for the voltages and currents involved; Install, test, and maintain electrical equipment, including motor control centers,…
Process Maintenance Technician
2 weeks agoMariana Minerals · Moab, Utah, United States
On-siteFull-timeMid levelTrades & logisticsDiagnose, install, and repair fixed plant equipment, including pumps, compressors, boilers, fans, motors, gearboxes, piping, valves, and automated valves, identifying root causes.; Maintain site buildings and infrastructure, including truck shops, admin buildings, and plumbing…
Mariana Minerals · Moab, Utah, United States
On-siteFull-timeTrades & logisticsMariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced…
Site Superintendent
2 weeks agoMariana Minerals · Houston, Texas, United States
On-siteFull-timeTrades & logisticsAs Site Superintendent, you will be responsible for the entire build of industrial process infrastructure, from site development and ground-up civil work through installation and startup. You’ll schedule and direct trade contractors, run daily coordination meetings, resolve…
Fabrication Technician
2 weeks agoMariana Minerals · San Francisco, California, United States
On-siteFull-timeMid level$45.00 – $55.00 an hourTrades & logisticsMariana Minerals is looking for a highly motivated Fabrication Technician to join our San Francisco Pilot Plant team. You will support the design, installation, and maintenance of first-of-its-kind refining processes for critical minerals. As part of a growing maintenance team,…
Process Plant Technician
2 weeks agoMariana Minerals · Moab, Utah, United States
On-siteFull-timeTrades & logisticsThe Process Plant Technician is a position in the operation of SX/EW plant and tank house. Where in, the Process Plant Technician obtains and demonstrates knowledge of the process plant operation parameters and operating procedures. The Process Plant Technician supports and…
Operator
4 weeks agoMariana Minerals · Moab, Utah, United States
On-siteFull-timeTrades & logisticsThe Heavy Equipment Operator plays a critical operational role in supporting mine production through the safe and efficient operation of mobile heavy equipment, including loaders, dozers, excavators, graders, water trucks, and drill rigs.
Sr./Staff Architect
7 weeks agoMariana Minerals · San Francisco, California, United States +1
On-siteFull-timeLead / staff$130K – $200K a yearTrades & logisticsMariana Minerals is looking for an architect to work on building the critical minerals supply chain.
Lead Operator
2 months agoMariana Minerals · Joaquin, Texas, United States
On-siteFull-timeLead / staffTrades & logisticsWe are looking for an Operator Lead to oversee shift-level plant operations at our Joaquin, TX facility, directing a small crew of operators through daily production activities while monitoring and controlling process equipment to meet quality, safety, and production targets.…
Sr. Estimator
3 months agoMariana Minerals · Houston, Texas, United States
On-siteFull-timeSeniorTrades & logisticsMariana Minerals is seeking an experienced and detail-oriented Sr. Estimator to lead cost estimation efforts for mining and mineral processing projects. This role is responsible for developing accurate, competitive, and timely cost estimates that support strategic…
Recycling Operator
3 months agoMariana Minerals · Moab, Utah, United States
On-siteFull-timeTrades & logisticsThe Recycling Plant Operator is responsible for the safe, efficient, and high-quality processing of copper. This plant serves as the seed for all future recycling technology and operations globally. In this hands-on role, you will operate heavy material-processing equipment,…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.