Design Engineer Intern

Design Engineer Intern

Cornerstone Building Brands, headquartered in Cary, North Carolina, is the largest manufacturer of external building products in North America with over $6 billion in annual revenue and an expansive North American footprint that includes almost 20,000 employees, operating in +70 manufacturing facilities, supported by a network of +80 distribution and branch office facilities. We have a broad product offering with a well-regarded brand portfolio including the #1 position in windows, vinyl siding, metal accessories, and metal roofing and wall systems. We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play.

This internship is for Summer 2026. We're committed to helping our interns learn multiple facets of engineering, and they will leave this position with invaluable skills and industry knowledge. As an intern, you will be exposed to a variety of functions and have opportunities to enrich your education and development through hands-on and engaging assignments, learn problem solving methods, and be able to innovate and create measurable value for our business.

What you'll do:

• Develop, design, and deliver structural solutions to ensure they are meeting customer, business, operational, and team goals
• Perform actual and estimated weight analysis to understand business impact of designs and show good judgement when making suggestions
• Prepare technical design reports
• Bring new insights into engineering tools, processes, and best practices
• Drive communication and collaboration within cross-functional workgroups
• Understand the role in the overall system and be willing to step outside that role when required.
• Assist in managing all testing and certification requirements such as TDI, Florida Product Approvals, Miami Dade NOA's, FM approvals, and ICC Reports for all metal sheathing products.

What you'll need:

• Currently pursuing a BS degree in Civil/Structural Engineering with a minimum 3.0 GPA
• Preferred – Successful completion of relevant steel design courses

What you'll get:

• Competitive pay
• Inclusive, collaborative environment
• Bragging rights – you'll work for the market leader in multiple product categories
• Professional development opportunities
• Intern buddy

Why work for Cornerstone Building Brands? Our teams are at the heart of our purpose to positively contribute to the communities where we live, work and play. Full-time* team members receive** medical, dental and vision benefits starting day 1. Other benefits include PTO, paid holidays, FSA, life insurance, LTD, STD, 401k, EAP, discount programs, tuition reimbursement, training, and professional development.

*Full-time is defined as regularly working 30+ hours per week. **Union programs may vary depending on the collective bargaining agreement.

Cornerstone Building Brands is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, or status as a protected veteran. You can find the Equal Employment Opportunity Poster here. You can also view Your Right to Work Poster here along with This Organizations Participation in E-Verify Poster here.

Notice of Recruitment Fraud We have been made aware of multiple scams whereby unauthorized individuals are using Cornerstone Building Brand's name and logo to solicit potential job-seekers for employment. In some cases, job-seekers are being contacted directly, both by phone and e-mail. In other instances, these unauthorized individuals are placing advertisements for fake positions with both legitimate websites and fabricated ones. These individuals are typically promising high-paying jobs with the requirement that the job-seeker send money to pay for things such as visa applications or processing fees. Please be advised that Cornerstone Building Brands will never ask potential job-seekers for any sort of advance payment or bank account information as part of the recruiting or hiring process.