Sr. Process Controls Engineer

Mariana 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 software, automation, and data-driven decision-making.

Mariana Minerals is looking for a highly motivated Process Controls Engineer to work on building the critical minerals supply chain.

As a Process Controls Engineer at Mariana Minerals, you will lead the development and deployment of first-of-its-kind chemical refining processes, while also playing a critical role in the development of software for capital project execution and automated plant optimization. Responsibilities will include leading equipment and plant-wide controls infrastructure and programming scopes from concept through to design, installation, commissioning, ramp, and handover to the operations team, and supporting the buildout of an in-house engineering team.

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  Develop standards for controls programming

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

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

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  Drive cross-functional teams of lab technicians, pilot plant engineers, process engineers, and project engineers to lead the technical equipment scale-up and de-risk the commercialization of novel mineral refining processes

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  Support the hiring, mentorship, and day-to-day management of junior process engineers

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  Develop technoeconomic models of new project opportunities, acquisition targets, and new technologies to inform business development

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  Prepare and present bankable engineering deliverables to support project financing partners due diligence reviews

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  Identify, evaluate, and implement process engineering and project management software tools

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  Identify and support opportunities for the software and machine learning teams to automate capital project execution workflows and develop advanced plant control algorithms

• Strong understanding of engineering fundamentals and demonstrated ability to leverage the understanding to solve challenging problems

• Experience with equipment engineering and design. Including but not limited to:

• Brownfield equipment modifications and upgrades

• Greenfield equipment design

• Evaluation and optimization of operating equipment

• Experience with the following industries and/or production environments:

• Industrial manufacturing

• Large-scale mining or mineral processing

• Large-scale chemical production processes

• Engineering, procurement, and construction firms

• Experience with direct or indirect leadership of engineers and technicians

• Experience with project management and execution of medium to large scale (>$5M) capital projects