Process Controls Engineer

We are looking for a highly motivated Process Controls Engineer to build critical minerals supply chain.

$/yr - $/yr

As the 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 software development for capital project execution and automated plant optimization. You will lead equipment and plant-wide controls infrastructure and programming scopes from concept through design, installation, commissioning, ramp, and handover to the operations team, and support building the in-house engineering team.

• 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 technical equipment scale‑up and de‑risk commercialization of novel mineral refining processes.
• Support hiring, mentorship, and day‑to‑day management of junior process engineers.
• Develop techno‑economic 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.

• Strong understanding of engineering fundamentals and demonstrated ability 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 in 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.
• Direct or indirect leadership of engineers and technicians.
• Project management and execution of medium to large‑scale ($>5M) capital projects.

Mariana Minerals is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are made based on business needs, job requirements, and individual qualifications without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status, or any other protected characteristic.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Metal Ore Mining

Houston, TX