The Mosaic Company (NYSE: MOS) is the world’s leading integrated producer of concentrated phosphate and potash—two of the three most important nutrients in agriculture. We employ more than 13,000 people in six countries to serve farmers all over the world. Our Headquarters is in Lithia, Florida with operations throughout North America (U.S./Canada) and South America.

At Mosaic We Help the World Grow the Food it Needs - Apply today and join our team!

Process Engineer Co-Op/Intern

Where will you work:

Riverview Manufacturing Facility: 8813 US Highways 41 South. Riverview, FL

Housing and relocation can be provided for qualified candidates.

As a Process Engineering Intern, you will support mining and refinery process improvements, assist with process modeling, and contribute to ongoing site initiatives. This role provides hands-on experience in engineering applications within an industrial setting, allowing you to develop technical skills and gain valuable insight into process optimization. Our student opportunities allow you to learn from Professional Engineers, offers competitive pay, a relocation package and opportunity to work with a global leader on exciting projects and much more.

Term

September 8th to December 18th, 2026

Full time Co-Op/Internship. Typically, 36-40 hours a week on site.

9/80 schedule if applicable

What will you do?

Day to day work assignments assigned by the supervisor and could include:

Troubleshooting to identify root cause of problems in the phosphate processing and production.
Participate in small-scale process improvement projects, contributing to innovation, production optimization, and product quality enhancements.
Assisting with equipment efficiency tests and developing a process flow diagram for new opportunities
Apply mass and energy balances to evaluate and optimize process efficiency across various chemical operations. Support the development and refinement of computer-based production models to analyze process performance.
Support pond water projects by assisting in water quality assessments, process improvements, and environmental sustainability initiatives related to water management.
Assist in Repair Day equipment inspections as required
Communicate with various levels of personnel throughout the organization, including management, plant operators, engineers (of various disciplines), lab personnel, and contractors
Participation in department meetings and meetings specific to the project assignment
Engage in site safety practices, including audits, meetings, and compliance initiatives.
Adhering to Mosaic’s mission, guiding principles and priorities, and key competencies

What do you need for this role?

Sophomore level by May 2026 or higher pursuing a bachelor’s degree Chemical Engineer
Completed Material and Energy Balances class prior to internship/co-op
2.75 GPA or higher
1-2 years of experience volunteering, working with student/school organizations, or work is preferred.
Previous internship or co-op experience is preferred.
Reliable transportation and valid driver’s license - You will need to be able to travel to and from sites and/or office.
Ability to work full time and be a student in standing at the time of the co-op/internship
Selected candidates will be required to successfully complete the following: Post-offer/pre-placement drug and alcohol screening, background check, physical, functional capacity examination.
Basic computer skills are required.
Experience working in a team environment is a must.
Familiarity with an industrial environment is highly desirable.
Effective verbal communication skills is a plus.
Physical work environment is occasionally outdoors with exposure to varying degrees of hot and cold environments.

The physical demands described are representative of those that must be met by an employee to successfully perform the functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Must be able to safely perform the essential functions of the job without posing a direct threat to the safety of his or her own self, or the safety of others
Able to lift approximately 0-25 lbs. occasionally
Able to climb stairs and work at various heights
Able to distinguish varying or specific colors, patterns or materials
Able to hear, with or without correction
Able to read, write and understand basic English
Able to see, with or without correction
Able to use fine hand motor skills
Able to wear a respirator
Must be authorized to work in the United States