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Project Engineer

Mariana Minerals· Plant Operations
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Moab, UTFull-timePosted 4d ago

About the role

The Project Engineer designs and deploys first-of-a-kind mining and refining technologies at Mariana Minerals' Moab site, leading cross-functional projects from idea to handover across process development, software, plant engineering, project execution, and operations.

Responsibilities

  • Scope, design, and lead process improvement and capital projects from concept through commissioning
  • Develop process flow diagrams, P&IDs, mass and energy balances, and equipment specifications
  • Size and select pumps, tanks, piping, and other process equipment
  • Use plant data to find bottlenecks, improve recovery, and cut costs
  • Work with the project mechanic and project electrician on installs, checkout, and startup
  • Partner with controls and operations teams on control strategies and operating procedures
  • Lead hazard reviews and management of change, and keep projects compliant with site safety standards
  • Manage project scope, schedule, and budget, including vendor and contractor coordination

Qualifications

  • Bachelor's degree in Mechanical Engineering preferred or another related engineering degree
  • Process or mechanical engineering experience in mining, chemical, oil & gas, or other heavy industrial operations, 4+ years
  • Hands-on experience taking projects from design through commissioning and startup
  • Comfort reading and producing P&IDs, PFDs, and equipment datasheets
  • Strong data skills; experience with process data historians, Python, or similar tools is a plus
  • Experience with hydrometallurgy, leaching, solvent extraction, or electrowinning is a plus
  • Comfort working independently and a willingness to jump into unfamiliar problems
  • EIT or PE is a plus

Skills

Required:Process engineeringP&IDs and PFDsProject management
Nice to have:Data analysis
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.

software-firstmineralsenergyAIdefense
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