Staff Process Controls Engineer - Networking and Systems Administration
marianaminerals
San Francisco HQ
Posted Sep 4, 2026
- Full-time
- Software Development
Job description
# **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. **Role Overview** 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. **What You’ll Do** - 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 **What You’ll Bring** - 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 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 ## **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!**