Minerals Technologies Inc. (MTI) is a leading, technology-driven specialty minerals company that develops, produces, and markets a broad range of mineral and mineral-based products, related systems and services. MTI serves a wide range of consumer and industrial markets, including household and personal care, paper, foundry, steel, construction and environmental solutions around the world. 

MTI focuses on two major segments – Consumer & Specialties and Engineered Solutions. 

Our Consumer & Specialties segment includes our Household & Personal Care and Specialty Additives product lines.

Our Engineered Solutions segment includes our High-Temperature Technologies and Environmental & Infrastructure product lines. 

MTI is committed to cultivating a diverse and inclusive work environment for all employees. In our offices around the world, our differences are respected and valued as essential to MTI’s continued growth and innovation. Our goal is to ensure that all employees at MTI experience our workplace as a welcoming and respectful environment where they can achieve their full potential.

Are you looking to join a fast-paced, collaborative team in a global manufacturing organization? You will have an opportunity to work with an experienced group of professionals that will not only provide you with challenging work but will mentor and encourage you to learn and grow.

If you are a student looking for a challenging work experience, consider this paid internship opportunity!  You will not only have the chance to gain experience in your chosen career field, but also gain an invaluable overview of our career opportunities and diversified product lines.  Plus, you will have an opportunity to learn the business fundamentals and contribute a fresh, new perspective to us.

In addition to practical work experience, our internship programs include various activities all intended to enhance your personal and professional development.  We are interested in candidates who are highly motivated and have excellent interpersonal skills, recognized leadership experience and outstanding academic records. Generally, undergraduate students selected for the program have completed their sophomore year.  Summer internships are typically 11 weeks in length but can vary.

Job Summary

As a Molder Designer Intern, you’ll work closely with experienced engineers and designers to support the development of injection molds, die-cast tooling, and other precision components. You’ll gain hands-on experience in CAD modeling, design validation, and manufacturing collaboration while contributing to real-world projects.

Primary Duties

• Assist in the design and modification of mold components using SolidWorks
• Will use 3D printing capabilities, knowledge helpful but not required
• Support mold flow analysis and design-for-manufacturability reviews
• Collaborate with tooling engineers and machinists to ensure design feasibility
• Help create detailed drawings and documentation for mold fabrication
• Research materials, tolerances, and cooling strategies to optimize mold performance

OE/Lean

Understands and/or actively participates in the implementation of sustainable improvement processes, such as 5S, Kaizen, Daily Management Control, Standard Work and Problem Solving.

Qualifications/Requirements

The requirements listed in the sections that follow are representative of the knowledge, skills and/or abilities required to perform the duties of this job. Reasonable accommodation may be made to enable qualified individuals with disabilities to perform the essential functions (primary duties) of the job.

• Pursuing a degree in Mechanical Engineering, Manufacturing Engineering, Engineering Technician, Tool Design, or related field
• Familiarity with CAD software and engineering drawing standards
• Understanding of injection molding or die-casting processes is a plus
• Strong attention to detail and problem-solving skills
• Ability to work independently and/or part of a team.
• Ability to display original thinking and creativity.
• Ability to hold oneself in a professional manner.
• Must have the ability to climb multiple flights of stairs, work at various heights above the ground, stand, walk, bend, squat, reach, twist, lift, climb, push and pull to evaluate equipment in a production environment.

Work Conditions: Manufacturing facility.  Plant process areas contain ladders, walkways, tight places, confined spaces, uneven terrain, and stairs, both inside and outside. 

Work Hours: As agreed upon, based on intern availability and business needs.

Safety Training: A new employee hired to perform the duties of this position is required to be provided New Employee Training by a qualified individual or through the online training system.  Additionally, an employee must be provided further training if a job duty/task has changes that will affect the health and safety aspects of that employee’s position.

Additional refresher safety training will be required as management deems appropriate or as dictated by government regulations.