Process Engineer

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. **Position Summary:** We are looking for a Senior Process Engineer to work with our innovative, fast-paced multidisciplinary team. They will be responsible for liaising between R&D and operations, with a focus on chemical process development, successful scale-up of new product execution, and sustaining technology-manufacturing readiness. This person must be flexible, proactive, and professional with experience in scale-up and process development applications such as chemical refining, hydrometallurgy, minerals, and chemical processing. **Key Responsibilities:** - Lead the development and scale-up of lab processes on pilot and production scales, with a focus on improving metal recovery and reducing cost and environmental impact. - Identify potential process risks, and propose, and evaluate solutions to mitigate the risks. - Evaluate process capability, improve process control, and deliver samples to customers. - Conduct detailed process simulations and modeling to predict process behaviors under various scenarios. - Develop, prepare, and provide detailed production and process guidelines, including: standard operating procedures (SOPs), process flow details, safety, and quality standards. - Improve and troubleshoot products, equipment, and process issues during production. - Provide technical leadership and mentorship to junior scientists, engineers, and technical staff. - Guide the R&D team and any external partners in the design and execution of experiments to develop the required base data for chemical process design. - Drive chemical process design and development from the concept stages to scaled production, ensuring quality is maintained throughout the lifecycle of the project. - Develop and model potential process designs for scale-up and cost estimating based on lab-scale chemical processes. - Identify potential process risks, and propose, and evaluate solutions to mitigate the risks. - Evaluate process capability and improve process control. **Required Qualifications:** - A bachelor’s degree in chemical engineering or a related discipline is required. - 3-5 years of experience in Chemical Process and/or Development Engineering required. - Hands-on experience scaling processes from R&D to an operating environment. - Expertise in process modeling, development, control, and scale-up. - Coordinate and execute bench-top, pilot, manufacturing scale-up, and verification batches with speed and robustness. - Proficient in using software for process analysis and modeling. - Sound understanding of chemical processes and their scale-up. - Strong leadership and interpersonal skills for implementation of cross-functional process improvements. - Strong background in analytical & quantitative skills for problem-solving of large/complex problems & proven ability in decision-making **Desired Qualifications:** - Hydrometallurgy experience - Mining experience - Battery material experience ## **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!**