Intern - Process Modeling

At Midrex, you will do work that matters alongside people who believe you matter. The work won't be easy, but it will be worth it. You'll be part of a great team—with plenty of autonomy—to bring out your best.

Since 1987, Midrex has been the world leader in direct reduction technology, offering the best proven method for decarbonization in the iron and steel industry available today. Our rapid growth is transforming the steel industry and our planet. And none of it would be possible without our people, who bring vision, compassion, and extraordinary expertise to this work every day. So, if you're looking to do big work in a small-team environment, Midrex is just the place for you.

POSITION SUMMARY: Internship Program Overview - Midrex's 2026 Summer Internship Program offers an immersive assignment to undergraduate and graduate students, enhancing their understanding of the business world through valuable, hands-on experience with a people centric organization. Midrex offers a 40 hour per week, paid internship that begins with an orientation in May and concludes in August.

SUPERVISORY RESPONSIBILITIES:

• N/A

DUTIES/RESPONSIBILITIES:

• Project(s) will be determined according to skillset of intern and company need. Project will support the group activities listed below
• Improve the existing suite of proprietary calculation tools
• Develop process modeling and data analysis programs (Python, C++, or Excel) under the supervision of a chemical engineer in collaboration with software engineers
• Assist in the analysis and development of new flowsheets and equipment designs
• Develop gas, water, and solids mass and energy balances
• Participate in plant troubleshooting by analyzing relevant data sets
• Document work, including through the issuance of internal technical reports
• Work in accordance with the Midrex Code of Ethics and ISO requirements

SKILLS/ABILITIES:

Required:

• Strong understanding of chemical engineering fundamentals
• Experience with computer programming (any language)
• Ability to perform calculations in the field of Chemical Engineering
• Strong critical/analytical thinking and problem solving

Preferred:

• Strong understanding of heat and mass transfer, reaction kinetics, and thermodynamics as it relates to equilibrium
• Proficient in Python, C++ in the Visual Studio development environment, git, Markdown
• Competent in Microsoft Office Products – Word, Excel, PowerPoint
• Experience with Process Modeling software such as Aspen Plus or similar
• Familiarity with statistics and machine learning. Experience with tools such as scikit-learn would be a plus

EDUCATION AND EXPERIENCE:

• Pursuing a BS, MS, or PhD in chemical engineering or related field
• Computer science experience strongly preferred
• Minimum 3.5 (undergraduate) or 3.0 (graduate) cumulative GPA

TRAVEL REQUIREMENTS:

• 0%

PHYSICAL REQUIREMENTS:

• Prolonged periods of sitting at a desk and working on a computer.

OTHER DUTIES:

Please note this position description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Midrex is an equal opportunity employer and is committed to providing employment opportunities to all qualified individuals without regard to race, color, religion, sex, national origin, age, disability, or any other protected status in accordance with all applicable laws. In compliance with the Americans with Disabilities Act, Midrex will provide reasonable accommodations to qualified individuals with disabilities and encourages both prospective and current employees to discuss potential accommodations with the People and Culture department.