Mariana Minerals is looking for a highly motivated Sr./Staff Process Engineer to work on building the critical minerals supply chain to support the world’s energy transition and to supply metals necessary for technology and AI, energy, mobility, and defense.

As a Sr./Staff Process Engineer at Mariana Minerals, you will lead the development and deployment of state-of-the-art chemical refining processes, while also supporting development of software for capital project execution and automated plant optimization. Responsibilities will include leading process area and equipment scopes from concept through to design, installation, commissioning, ramp, and handover to the operations team.

What You’ll Bring

Lead process area and equipment scopes from concept and modeling validation, through procurement, engineering, fabrication, installation, commissioning, and ramp

Manage external equipment providers, technology licensors, and engineering companies to deliver fully integrated and functional mineral refining scopes.

Build heat and material balances for integrated mineral refineries

Develop Process Flow Diagrams (PFDs) and Piping & Instrumentation Diagrams (P&IDs) for mineral refineries

Build first-principles-based models of chemical reactors and unit operations to validate and scale-up designs

Identify, evaluate, and implement engineering solutions to optimize process designs, confirming functionality and performance under various operating conditions

Work closely with cross-functional teams including lab technicians, pilot plant engineers, process engineers, project execution teams, and more to scale designs from lab through to commercial scale

Work closely with the software and machine learning teams to automate capital project execution workflows and develop equipment and plant optimization algorithms

What You’ll Bring

Senior/Staff Chemical Process Engineer

Responsibilities

Qualification

Required

Company

Marianaminerals

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