Administrative Assistant

About Cornerstone Building Brands

Cornerstone Building Brands is the largest manufacturer of external building products in North America. With over $6 billion in annual revenue and almost 20,000 employees across 70 manufacturing facilities and 80 distribution and branch offices, we provide a broad product offering, including the #1 positions in windows, vinyl siding, metal accessories, metal roofing and wall systems, and insulated metal panels. We are dedicated to positively contributing to communities where people live, work and play.

This internship is for Summer 2026.

The Engineering Intern will perform projects related to the continuous improvement of production, production control, and/or quality at the Ply Gem Windows plant in Auburn, WA. The intern will report directly to the Production Manager.

• Create 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

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

• Currently enrolled in and pursuing a degree in Electrical, Manufacturing, Industrial, or Mechanical Engineering at an accredited school.
• Experience with AutoCAD, Inventor, or Solid Works is an advantage.
• Experience in data interpretation/manipulation via MS Excel preferred.
• Experience in a manufacturing environment is preferred but not required; a demonstrable interest in industrial processes will be evaluated during the interview process.
• Interns will work in office and shop floor environments with extended periods of sitting and standing. Must be able to communicate and engage with employees on the shop floor and wear all required PPE.
• Must have valid US work authorization.

• Hands‑on experience working on real‑world projects with direct impact on business operations.
• Mentorship and guidance from experienced professionals in the field of continuous improvement.
• Networking opportunities with colleagues and industry professionals.
• Competitive internship compensation package.

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.