Chemical Process Engineer
Mariana MineralsSan Francisco, California, United States • Houston, Texas, United States
Posted June 6, 2025
Full Time
About the Company
Mariana Minerals operates as a software‑first, vertically integrated minerals company that extracts and supplies critical raw materials essential to modern energy, artificial intelligence, and defense technologies. By integrating every stage of the supply chain—from exploration and mining to processing and logistics—the firm ensures consistent quality and rapid delivery to high‑tech end users. Its advanced data‑driven approach allows for real‑time optimization of extraction and supply processes, reducing environmental impact while boosting operational efficiency. This combination of digital innovation and end‑to‑end control positions Mariana Minerals as a distinctive partner for companies demanding reliable, sustainable access to strategic minerals.
Job Description
Mariana Minerals is looking for a highly motivated Process Engineer to work on building the critical minerals supply chain. The successful candidate will lead the development and deployment of first-of-its-kind chemical refining processes and support development of software for capital project execution and automated plant optimization.
Requirements
- Lead equipment scopes from concept through to design, installation, commissioning, and ramp
- Manage external equipment providers, technology licensors, and engineering companies
- Build heat and material balances for integrated mineral refineries
- Build hydraulic models and develop P&IDs for mineral refineries
- Build first-principles-based models of chemical reactors and unit operations
- Identify, evaluate, and implement engineering solutions to optimize process and reactor designs
- Work closely with cross-functional teams to scale designs from lab through to commercial scale
- Work closely with software and machine learning teams to automate capital project execution workflows and develop reactor and plant optimization algorithms
