Engineering Intern

About Us

Cornerstone Building Brands is a premier exterior building solutions provider serving both the residential and commercial markets across North America. The building products we manufacture are the cornerstone of the communities where people live, work and play - from homes to hospitals, grade schools to grocery stores, manufacturing facilities to municipal buildings and beyond.

Through the core values and consistent behaviors and mindsets embraced by our employees, we have built a culture dedicated to understanding our customers' needs and what matters most to their success. We know that it's our people that make the difference and we are deeply committed to building a workplace and global community where inclusion is not only valued, but prioritized, providing an environment of mutual respect where equal employment opportunities are available to all applicants and team members.

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, metal roofing and wall systems, and insulated metal panels.

We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play.

This is an onsite internship position for Summer 2025.

The Engineering Intern at Cornerstone Building Brands is responsible for performing engineering projects related to the continuous improvement of production, production control, and/or quality. Reporting directly to the Production Manager, this role will be on site at our Ply Gem Windows plant in Auburn, WA.

Primary projects include

• Creating a Standard Work for every position in plant
• Conduct time studies on every position in the plant
• Create a balance Chart for every line in the plant

Additional activities may include:

• Creating process flows
• Process mapping
• Creating layouts
• Test equipment design/improvement
• Non‑conforming material inspection, auditing and test processes

• Must be currently enrolled in and pursuing a degree in Electrical, Manufacturing, Industrial, or Mechanical Engineering at an accredited school is required
• Experience with Auto Cad, Inventor, or Solid works is preferred
• Experience in data interpretation/manipulation via MS Excel preferred
• Experience in a manufacturing environment is preferred