Sr. Process Controls Engineer

About Mariana Minerals

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.

Role Overview

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.

What You’ll Do

• Develop standards for controls programming
• Lead 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
• 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
• Support the hiring, mentorship, and day-to-day management of junior process engineers
• Develop technoeconomic models of new project opportunities, acquisition targets, and new technologies to inform business development
• Prepare and present bankable engineering deliverables to support project financing partners due diligence reviews
• Identify, evaluate, and implement process engineering and project management software tools
• Identify and support opportunities for the software and machine learning teams to automate capital project execution workflows and develop advanced plant control algorithms

What You’ll Bring

• 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
• Our culture is built on four principles: Everyone Gets Home Safe.
• We never put speed or cost ahead of people.
• Extreme Ownership.
• We take full responsibility for outcomes, relentlessly driving toward solutions.
• Engineer Out Requirements, then Automate.
• We simplify, optimize, and then automate for scale.
• Share Your Legos.
• We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
• Join us as we build the future of responsible mineral sourcing and supply!