Continuous Improvement Technician

Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low‑rise non‑residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market‑leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi‑channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America.

Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play.

This internship is for Summer 2026.

The CI Intern at Cornerstone Building Brands offers an excellent opportunity to gain hands‑on experience in process improvement methodologies and contribute to meaningful projects that drive efficiency and effectiveness across the organization. Reporting directly to the Quality/Engineering Manager.

• Assist in the identification of process improvement opportunities through data analysis and stakeholder consultation.
• Participate in cross‑functional teams to develop and implement process improvement initiatives.
• Support the documentation of current processes, standard operating procedures, and best practices.
• Help track and report on key performance indicators to measure the success of improvement efforts.
• Collaborate with team members to develop training materials and deliver training sessions on new processes and tools.

• Currently enrolled in Associates or Bachelors degree program majoring in supply chain, LEAN, continuous improvement or related is required.
• Strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy is required.
• Proficiency in Visio is preferred.
• Familiarity with continuous improvement methodologies such as Lean, Six Sigma, or Kaizen is preferred.

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

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.

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 Organization's Participation in E-Verify Poster here. If you'd like to view a copy of the company's affirmative action plan for protected veterans or individuals with disabilities or policy statement, please contact Human Resources at  or HR If you have a disability and you believe that you need a reasonable accommodation in order to search for a job opening or to submit an online application, please contact Human Resources at  or HR This email is used exclusively to assist disabled job seekers whose disability prevents them from being able to apply online.

Only emails received for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.

All your information will be kept confidential according to EEO guidelines.

California Consumer Privacy Act (CCPA) of 2018.

Must be at least 18 years of age to apply.