MPI Polymer Engineering Intern

MPI Polymer Engineering Intern

The University of Southern Mississippi is currently accepting applications for the position of MPI Polymer Engineering Intern.

Position Details Location Hattiesburg

118 College Drive

Hattiesburg, Mississippi, 39406-0001

United States Division Mississipi Polymer Science Institute Position Type Staff Employment Status Full Time Grant Funded No Pay Grade

Generic Grade

Posting Close Date June 8, 2026

Special Instructions to Applicants

Applicants must be currently authorized to work in the United States on a full-time basis without the need for visa sponsorship. The University will not sponsor applicants for work visas (e.g., H-1B).

Job Summary

The Mississippi Polymer Institute is seeking a hands-on, detail-oriented Polymer Engineering Intern for a 10-12 week summer program. In this role, you will bridge the gap between material science and mechanical design by developing 3D CAD models, 3D printing and assisting with polymer extrusion and injection molding processes.

This comprehensive, customizable summer internship description blends CAD modeling with polymer processing. It is tailored to attract engineering students who can help design plastic components, optimize tooling, and support/conduct production runs.

Primary Duties and Responsibilities

• Polymer Processing Support: Assist the engineering team with monitoring, setting up, and optimizing polymer extrusion and injection molding runs.
• Process Troubleshooting: Help collect and analyze production data (e.g., cycle times, yield, scrap rates) to troubleshoot part defects and improve process stability.
• CAD Design & Modeling: Create and modify 3D CAD models and 2D engineering drawings of plastic components, tooling, and fixtures using software like SolidWorks or Autodesk Inventor.
• 3D Printing: Print CAD files on 3D printers for clients.
• Material Testing: Prepare, compound, and test polymer samples to evaluate material performance and mechanical properties.
• Documentation: Update process guides, standard operating procedures (SOPs), and bill of materials (BOMs) as production changes occur.

Minimum Qualifications

Currently pursuing a bachelor's degree in Polymer Engineering, Materials Science, Plastics Engineering, or a related field.

Foundational proficiency in CAD software (SolidWorks, AutoCAD, or Fusion 360).

Basic understanding of polymers, plastics processing, or manufacturing principles.

Strong problem-solving skills with a willingness to work in a hands-on production and laboratory environment.

Excellent written and verbal communication skills.

Knowledge, Skills & Abilities

• Proficient in Microsoft and Apple computer programs.
• Proficient in CAD
• Experience in 3D printing
• Experience in Polymer extrusion and injection molding
• Excellent professional communication skills
• Conceptual knowledge of polymer structure and resulting performance
• Competent in soft skills in a professional setting
• Disciplined and dedicated

Program Details

Duration: 10 to 12 weeks during the summer.

Hours: Full-time, 40 hours per week.

Location: On-site.

About The University of Southern Mississippi

Since our founding in 1910, The University of Southern Mississippi has remained dedicated to preparing students for success. We deliver programs to more than 13,000 students in Hattiesburg and Long Beach, at teaching and research sites across the Mississippi Gulf Coast, as well as online. We are a community-engaged Carnegie R1 university, earning distinction as one of the nation's leading research institutions.

Southern Miss is known for pioneering work in polymer science, ocean science, spectator sports safety and security, and bringing language to children with communication disorders. We are also a national leader in a broad range of disciplines, including cybersecurity, hydrography, nutrition, aquaculture, kinesiology, and economic development, among others.

We produce graduates ready to enter fields that are leading the way in emerging technologies through programs such as computer engineering, information technology, and ocean engineering. We're developing the next generation of business leaders, while also responding to critical workforce shortages by producing skilled professionals in education and nursing. With a tradition of excellence in the arts, we are one of only 36 public institutions in the nation accredited in four major areas of the arts. Home to the Golden Eagles, our student-athletes compete in 17 NCAA Division I sports. With a culture marked by passion and persistence, Southern Miss is delivering graduates who are ready for life. For more information, visit www.usm.edu.

The University of Southern Mississippi is an equal opportunity employer, and all qualified applicants will receive consideration for employment. EOE/VETS/DISABILITY.