Engineering Intern – Summer 2026

Do you want to work for a company where the people are the purpose? Grimco is a leading $1.5 billion sign supply distribution company serving the graphics and signage industry. As a family-owned business, we combine the stability and resources of an industry leader with the agility and innovation of an entrepreneurial environment.

We're seeking a Mechanical/Industrial Engineering Intern who wants real-world experience applying Six Sigma methodologies in a manufacturing environment. You'll own process improvement projects from concept to completion, working hands-on in our production facility to drive measurable operational enhancements.

What You'll Do:

• Design and execute Design of Experiments (DOE) in manufacturing environments to optimize process parameters and product quality
• Conduct Big Data Analysis to uncover patterns and insights from production data streams
• Combine AI with Mechanical and Industrial Engineering tools to develop intelligent automation solutions
• Execute DMAIC projects to reduce process variation and eliminate manufacturing waste
• Conduct time studies, process mapping, and statistical analysis to identify improvement opportunities
• Design and prototype automation solutions for production line efficiency
• Apply statistical process control techniques to monitor and optimize manufacturing operations
• Collaborate with production teams to implement Lean manufacturing principles
• Present data-driven findings and recommendations to facility leadership

• Currently pursuing a degree in Industrial, Mechanical, Manufacturing, or related Engineering field
• Expected graduation date: 2027 or 2028
• Coursework or project experience in Six Sigma, statistical analysis, or process improvement
• Self-starter who thrives with autonomy and data-driven problem solving
• Comfortable working in a manufacturing environment with production equipment
• Familiarity with statistical software, process mapping tools, or quality control methodologies

Ready to make your mark? Apply today and join us in driving operational excellence in sign manufacturing!

What We Offer

Hands-on experience applying Six Sigma tools with immediate impact Mentorship from experienced engineering professionals and certified Black Belts Exposure to diverse manufacturing processes in the sign and graphics industry Competitive internship compensation Potential for full-time opportunities upon graduation.

Grimco is a national wholesale sign supply manufacturer and distributor with over 50 locations across North America. We focus on distributing quality products and providing excellent service to the sign industry. Our offering of sign supplies includes traffic signs, blanks, substrates, boards, digital print media, wrap films, sign vinyl, application tape, banner material and supplies, sign frames, banner stands, LEDs and electrical accessories, grand format solvent/UV/latex printers, inks, software and more.

By completing this online application for employment, you certify that the information on this application is true and complete to the best of your knowledge. You understand that any misrepresentation or omission of fact in response to any inquiry made in this application may result in rejection of application or, if hired, dismissal whenever it is discovered. You authorize and release all parties from any liability or damage that may result from seeking, furnishing, or using such information. You understand and agree that, if hired, your employment is for no definite period and may, regardless of the date of payment of compensation, be terminated by Grimco, Inc. at any time, for any or no reason, with or without notice. You understand that no representation to the contrary is valid unless in writing, set a definite term of employment, and signed by the company's CEO. You further understand and agree that any job offer is contingent upon your passing, to the company's satisfaction, a drug and/or alcohol test, criminal background check and other possible screenings. You understand that this application is active for 90 days only, and if you do not hear from the company but still wish to be considered for employment after 90 days, you will need to fill out a new application.