Job Overview
Job description
- Salary:
- USD 150,000 - 190,000 per year
- Location:
- San Francisco HQ, United States
- Work arrangement:
- On-site
Role Summary
Mariana Minerals is looking for a highly motivated Controls Engineer to work on building the critical minerals supply chain.
As the I&C 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 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.
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
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
- 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 engineers
- Lead selection, procurement, calibration, and installation of instruments, valves, and analyzers
- Support development of machine learning applications with an emphasis on control and optimization of industrial facilities
- Identify and support opportunities for the software and machine learning teams to automate capital project execution workflows and develop advanced plant control algorithms
Requirements
- 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
- Operations support
Strong I&C fundamentals
- Minimum 7 years direct experience in networking and systems administration for control systems, including
- Network architecture design, procurement, installation, and commissioning
- Experience managing fiber installation
- Expert-level knowledge in Ignition
- Experience managing the plant network and interfacing securely with the business network
- Review of P&IDs in the development of system architecture drawings
- Experience with control system programming
About the Company
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.
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!
- Role:
- Staff Process Controls Engineer - Networking and Systems Administration
- Job Type:
- FullTime
Company profile

Mariana Minerals
marianaminerals.comMariana Minerals is a software-first, vertically integrated minerals company focused on supplying the critical minerals that power modern energy, AI and defense technologies. It aims to reimagine the minerals supply chain by combining deep industry expertise with advanced software, automation and data-driven decision-making, working toward responsible mineral sourcing and supply. Its operating approach is to simplify and optimize processes before automating them for scale, and it states that it never puts speed or cost ahead of people's safety.
- Funding Stage
- Series B