R&D Large Scale Fireproofing Intern - Summer 2026

Rust-Oleum CorporationUSA, Missouri, St. Louis

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JOB DESCRIPTION

Summer 2026 Internship Opportunity!

Title : R&D Intern - Large Scale Fireproofing

Location : St. Louis, Missouri

Summary :

Are you ready to kickstart your career with a company that's making a global impact? Carboline is looking for motivated, curious, and driven students to join our team for an unforgettable summer internship experience! This immersive 12-week program (Anticipated : May 18, 2026 - August 7, 2026), offers a unique opportunity to gain valuable experience, build lasting connections, and make a meaningful impact-all before heading back to campus.

As an R&D Intern at Carboline , you will dive into the world of high-performance coatings and industrial chemistry with a hands-on internship alongside senior chemists. You'll take ownership of a real-world project-designing, testing, and presenting experiments that contribute to cutting-edge solutions in coatings, linings, and fireproofing technologies. This is your chance to sharpen technical skills, gain industry insight, and make a measurable impact.

What You'll Gain :

Meaningful, hands-on experience working on impactful projects that contribute to Carboline's success.
Exposure to cross-functional collaboration and insight into how a global organization operates.
Professional development opportunities , including mentorship from experienced leaders.
A chance to enhance your skills and apply classroom knowledge in a real-world setting.
Participation in team-building activities and a workplace culture that values innovation, integrity, and growth.

Minimum Requirements :

Must be a junior, senior, or graduate-level student pursuing a degree in Mechanical Engineering or a related technical field.

Completion of the following coursework is required : Statics, Dynamics, Physics I & II, Chemistry I & II, C and C++ Programming, CAD, Calculus II, Fluid Dynamics, Thermodynamics I & II, Heat Transfer, Control Systems.

Available to work 30-40 hours per week from May through August.

Strong communication, organization, time management and interpersonal skills.

A proactive attitude and willingness to learn.

Physical Requirements :

This position requires physical activity and computer usage for an extended period - up to 8 hours / day.

Basic knowledge of PPE, lab settings and equipment, standing for semi-long periods of time.

Students must have housing arrangements in or near St. Louis, MO for the summer , as housing allowance is not provided.

Essential Functions :

Master hands-on lab techniques using advanced instruments and established testing protocols.

Engage in every phase of the research process-from planning and preparation to calibration, application, evaluation, and data analysis.

Design and execute experiments under expert mentorship, contributing to impactful project outcomes.

Analyze results and draw meaningful scientific conclusions that support innovation.

Present project findings to peers, senior leaders, and executives, showcasing your contributions and communication skills.

Take initiative on additional tasks as assigned, demonstrating adaptability and teamwork.

Operate safely and efficiently in all lab activities, following company safety standards.

Champion the company's commitment to safety and quality through proactive hazard recognition and responsible lab practices.

Who We Are :

Carboline is a St. Louis-based coatings manufacturer with a global reach. The company, founded in 1947, produces high-quality performance coatings, linings, and fireproofing products in more than 20 manufacturing facilities around the world. Carboline has been ranked a top workplace, so culture and maintaining a safe and clean work environment is something we take very seriously.

Carboline is part of RPM International Inc., a $7.6 billion, multinational company with subsidiaries that are world leaders in specialty coatings, sealants, building materials and related services. From homes and workplaces to infrastructure and precious landmarks, RPM's market-leading brands are trusted by consumers and professionals alike to help build a better world. If you want to be part of a growing global organization with opportunity for growth, we would like to meet you.

What We Offer :

We offer a team atmosphere that fosters cooperation and creativity; a management team committed to employee development and an environment where people are empowered to make decisions. Our career opportunities offer unlimited earnings potential, and our comprehensive benefits package is among the best in the industry which includes affordable benefits, a company match 401K plan and a retirement pension plan. Carboline is an Equal Opportunity Employer that values the strength diversity brings to the workplace. Individuals with Disabilities and Protected Veterans are encouraged to apply.

"In order to be the best, we must hire the best ."

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Summer Intern • USA, Missouri, St. Louis