Process Engineer

East Texasfull-timemid

EngineeringProcess Engineer

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Quick Summary

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.

Requirements Summary

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.

Technical Tools

EngineeringProcess Engineer

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.

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.

Responsibilities

~1 min read

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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.
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Identify potential process risks, and propose, and evaluate solutions to mitigate the risks.
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Evaluate process capability, improve process control, and deliver samples to customers.
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Conduct detailed process simulations and modeling to predict process behaviors under various scenarios.
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Develop, prepare, and provide detailed production and process guidelines, including: standard operating procedures (SOPs), process flow details, safety, and quality standards.
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Improve and troubleshoot products, equipment, and process issues during production.
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Provide technical leadership and mentorship to junior scientists, engineers, and technical staff.
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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.
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Drive chemical process design and development from the concept stages to scaled production, ensuring quality is maintained throughout the lifecycle of the project.
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Develop and model potential process designs for scale-up and cost estimating based on lab-scale chemical processes.
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Identify potential process risks, and propose, and evaluate solutions to mitigate the risks.
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Evaluate process capability and improve process control.

Requirements

~1 min read

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