Senior Process Engineer - Mineral Refining & Automation

marianaminerals.com; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Mariana Minerals is seeking a highly motivated Sr./Staff Process Engineer to lead the development and deployment of chemical refining processes for a modern minerals supply chain. You will also support software-driven capital project execution and plant optimization, guiding scopes from concept through design, installation, and handover to operations.

You will collaborate with lab technicians, pilot plant engineers, process, and project teams, as well as software and ML groups to scale designs

Qualifications

• Strong foundation in chemical engineering and process engineering principles.
• Experience with process modeling and equipment design.
• Ability to develop and validate process simulations and reactor models.

Responsibilities

• Lead process area and equipment scopes from concept through design, installation, commissioning, ramp, and handover.
• Manage external equipment providers, licensors, and engineering firms to deliver integrated refinery scopes.
• Build heat and material balances for integrated mineral refineries.
• Develop PFDs and P&IDs for mineral refineries.
• Build first-principles-based models of reactors and unit operations for validation and scale-up.
• Identify and implement engineering solutions to optimize processes under varying operating conditions.
• Collaborate with lab, pilot plant, process, and project teams to scale designs from lab to commercial scale.
• Work with software and ML teams to automate capital project execution workflows and optimization algorithms.

Skills

Process engineering

Chemical engineering

PFDs & P&IDs

Scale-up modeling

Heat & material balances

Automation workflows

Cross-functional collaboration

Job description

Mariana Minerals is seeking a highly motivated Sr./Staff Process Engineer to lead the development and deployment of chemical refining processes for a modern minerals supply chain. You will also support software-driven capital project execution and plant optimization, guiding scopes from concept through design, installation, and handover to operations.

You will collaborate with lab technicians, pilot plant engineers, process, and project teams, as well as software and ML groups to scale designs