Mariana Minerals ยท 2 months ago
Chemical Process Engineer
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$100K/yr - $160K/yrMariana Minerals is looking for a highly motivated Process Engineer to work on building the critical minerals supply chain. In this role, you will lead the development and deployment of innovative chemical refining processes and support software development for capital project execution and plant optimization.
Mining & Metals
Responsibilities
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
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 to validate and scale-up designs
Identify, evaluate, and implement engineering solutions to optimize process and reactor 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 reactor and plant optimization algorithms
Qualification
Required
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
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 to validate and scale-up designs
Identify, evaluate, and implement engineering solutions to optimize process and reactor 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 reactor and plant optimization 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
Company
Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
11-50 employees
H1B Sponsorship
Mariana Minerals has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)
Funding
Current Stage
Early StageCompany data provided by crunchbase