Senior Process Modeling Engineer – Mineral Refining

Digitailor; Houston (TX); On-site; USD 140,000 - 210,000; Full time

Job summary

Mariana Minerals is seeking a Staff Process Modeling Engineer to develop and validate heat and material balance models for next-generation mineral refining processes. You will lead process simulation efforts using ASPEN Plus/HYSYS, SysCAD, OLI Studio, or METSIM and mentor junior engineers while collaborating with R&D and operations teams.

You will drive model-based design from concept through deployment, calibrate with pilot data, and support EPC deliverables and regulatory submissions.

Qualifications

• Bachelor's degree or higher in Chemical Engineering or closely related field
• 8+ years of experience developing and applying process simulation models
• Proficiency in process simulation tools: ASPEN Plus/HYSYS, SysCAD, OLI Studio/OLI Flowsheet, METSIM
• Strong understanding of mass/heat transfer, thermodynamics, and reaction engineering

Responsibilities

• Develop steady-state and dynamic process models for integrated mineral refinery systems
• Automate equipment sizing and link models to datasheets and engineering tools
• Maintain process simulation databases with traceability of assumptions and data
• Calibrate models using pilot or plant data and conduct optimization studies
• Document methodologies and present results for reviews and regulatory submissions

Skills

Process modeling

Heat and mass balances

Model automation

Education

Bachelor's degree or higher in Chemical Engineering

Tools

ASPEN Plus

HYSYS

SysCAD

OLI Studio

METSIM

Python

MATLAB

Job description

Mariana Minerals is seeking a Staff Process Modeling Engineer to develop and validate heat and material balance models for next-generation mineral refining processes. You will lead process simulation efforts using ASPEN Plus/HYSYS, SysCAD, OLI Studio, or METSIM and mentor junior engineers while collaborating with R&D and operations teams.

You will drive model-based design from concept through deployment, calibrate with pilot data, and support EPC deliverables and regulatory submissions.