Mechanical Engineering Internship - Summer 2026

M-D is seeking a motivated Industrial/Mechanical Engineering Intern to join our manufacturing team for the summer of 2025. This internship offers hands-on experience in a fast-paced manufacturing environment under the guidance of our Engineering Team. The ideal candidate will support engineering and production initiatives, contributing to process improvements, data analysis, and operational efficiency.

Responsibilities: 

• Assist with process improvement projects to optimize manufacturing workflows. 
• Perform time studies, collect data, and analyze results to identify bottlenecks or inefficiencies. 
• Support the implementation of Lean Manufacturing principles and other continuous improvement initiatives. 
• Create and update process documentation, including Standard Operating Procedures (SOPs). 
• Assist in troubleshooting and maintaining manufacturing equipment as needed. 
• Collaborate with cross-functional teams to support production goals and ensure quality standards.
• Utilize CAD software to create or modify mechanical drawings and layouts as directed. 
• Conduct basic data entry and reporting related to production metrics and key performance indicators (KPIs). 
• Adhere to safety protocols and company policies while working in the manufacturing environment.

Minimum Qualifications:

• Currently enrolled in an accredited college or university and pursuing a degree in Industrial Engineering or Mechanical Engineering.
• Basic understanding of manufacturing processes and principles.
• Familiarity with CAD software (e.g., AutoCAD, SolidWorks) is preferred.
• Willingness to work in a manufacturing environment with exposure to noise, heat, and machinery.

​Preferred Knowledge, Skills, and/or Abilities

• Strong analytical and problem-solving skills.
• Hands-on experience with tools or equipment is a plus.
• Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint).
• Effective written and verbal communication skills.

M-D Building Products has been a trusted name in American construction for over 106 years. Founded in 1920, we have spent more than a century designing, manufacturing, and distributing the products that builders, contractors, and homeowners depend on to get the job done right. What started as a focused commitment to quality weatherstripping has grown into one of the most recognized and respected product portfolios in the construction industry. 

We are proud to be an American manufacturer. Every product bearing the M-D name is made right here in the United States, with production facilities in Oklahoma City, Oklahoma, our home and headquarters, as well as Louisville, Kentucky, and Gainesville and Brooklet, Georgia. Our facilities are home to skilled, dedicated teams who bring the same pride and craftsmanship to every product they make. 

At M-D, we don't just compete in our categories, we lead them. Our products are industry leaders or strong contenders for industry leadership across every line we carry. That standard of excellence isn't accidental. It is the result of more than a century of listening to our customers, investing in our people, and refusing to settle for good enough. The people of M-D are guided by five core values that define how we work, how we treat one another, and how we show up for our customers every day. 

Integrity~ Honesty doesn't need a policy. We do the right thing when nobody is looking. 

Vision~ Tomorrow's success is taken by the steps we take today. 

Commitment~ Every day, we are accountable to each other and our customers. 

Communication~ We listen with intent, communicate with clarity, and speak up for what's right. 

Stewardship~ We serve to promote one another, create opportunities, and provide customer delight. 

When you join M-D Building Products, you join a company that has stood the test of time. Not by standing still, but by continuously evolving, improving, and investing in the people who make everything possible. We believe every individual has the potential to make a meaningful impact, and we cultivate a culture that recognizes and develops that potential. If you are eager to learn, motivated to grow, and interested in building a career at M-D, we encourage you to apply. 

M-D Building Products, Inc. provides equal employment opportunities for all current employees and applicants. This policy means that no one will be discriminated against because of race, religion, creed, color, national origin, nationality, citizenship, ancestry, sex, age, marital status, physical or mental disability, affectional or sexual orientation, gender identity, military or veteran status, genetic predisposing characteristics, or any other basis prohibited by law.

Location: Oklahoma City, 4041 N. Santa Fe, Oklahoma City, OK 73118