Cornerstone Building Brands

About the Company

Cornerstone Building Brands is a leading manufacturer of exterior building products serving the residential and low-rise non-residential markets across North America. Through our expansive footprint and comprehensive product portfolio, we are uniquely positioned as a one-stop-shop for vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories -- all available through our trusted product brands to support a wide range of needs and end-uses. Our success is driven by our dedicated team members and strong partnerships across the building industry. We continually invest in our brands and capabilities to create mutual value -- leveraging our core strengths, executing with excellence and consistently seeking new solutions to the challenges our customers face every day. From family homes to large-scale commercial structures, our products are the cornerstone of the communities where people live, work and play. That's why we are committed to becoming a premier building solutions company that better serves its customers and helps build stronger communities. Follow us on: Instagram: @cornerstone_buildingbrands Facebook: @CornerstoneBuildingBrands YouTube: @cornerstonebuildingbrands DISCLAIMER Cornerstone Building Brands' social media channels share information about our company, our products and our people. We welcome commentary expressing all points of view - positive and negative - but reserve the right to remove posts that are off-topic, offensive, promotional or illegal or contain inappropriate language, hate speech, proprietary information, personal data or personal attacks.

Listed Jobs

Company Name

Cornerstone Building Brands

Job Title

Process Engineer Intern

Job Description

**Job title** Process Engineer Intern **Role Summary** A Summer 2026 internship focused on supporting vinyl and glass cutting & assembly operations. The Intern will apply engineering and Lean principles to improve process capability, plant layout, and automation opportunities while ensuring safety and meeting quality specifications. **Expectations** - Current enrollment in a Bachelor’s program in Electrical, Manufacturing, Industrial, or Mechanical Engineering (sophomore level or higher). - Ability to gain and apply CAD skills (AutoCAD LT, Inventor, SolidWorks). - Proactive engagement with operators, engineers, and CI teams; strong communication and teamwork. **Key Responsibilities** - Design and update plant layout drawings in AutoCAD LT. - Create, maintain, and improve work instructions. - Develop motion and time standards for production cells. - Gather and analyze data for process capability studies and capital projects. - Evaluate material changes and support requisite assessments. - Specify small tooling and equipment as part of tooling projects. - Identify and recommend automation enhancements. - Participate in continuous improvement initiatives to reduce cost, improve safety, and optimize cell footprint. **Required Skills** - Proficiency (or learning readiness) in AutoCAD LT, and advantage with Inventor or SolidWorks. - Data collection, statistical analysis, and interpretation for capability studies. - Knowledge of Lean manufacturing and motion study techniques. - Strong documentation (work instructions, drawings, reports). - Effective communication with cross‑functional teams and operators. **Required Education & Certifications** - Pursuing a Bachelor’s degree (Electrical, Manufacturing, Industrial, Mechanical Engineering) at an accredited institution. - Completed sophomore year coursework. ---

Welcome, United states

On site

Fresher

25-01-2026

Company Name

Cornerstone Building Brands

Job Title

Data Analyst Intern

Job Description

Job Title: Data Analyst Intern Role Summary: Internship for Summer 2026 focused on NFRC thermal simulation analysis for windows and doors. Provides hands‑on experience integrating data analytics with building performance and sustainable product development. Expectations: - Work closely with engineering and product teams. - Manage simulation data for U‑factor, SHGC, VT, and condensation resistance. - Deliver reports, dashboards, and benchmarking insights that influence R&D and energy‑efficiency initiatives. Key Responsibilities: 1. Run, process, and interpret NFRC thermal simulation results using tools such as Excel, Python, or equivalent. 2. Collect, clean, and organize simulation data; perform quantitative analyses and regression modeling. 3. Validate simulation outcomes with engineers, identify discrepancies, and propose corrective actions. 4. Create clear visualizations, dashboards, and reports for internal stakeholders. 5. Conduct benchmarking studies against industry or competitor performance data. 6. Support preparation of documentation required for NFRC certification submissions. Required Skills: - Strong analytical and quantitative skills with meticulous attention to detail. - Proficiency in data analysis/visualization tools: Excel, Python (pandas, matplotlib, seaborn), or similar (R, MATLAB). - Experience with statistical analysis, regression modeling, or performance benchmarking. - Excellent written and verbal communication; ability to present technical findings clearly. - Familiarity with building performance concepts: thermal transmittance, solar heat gain, energy efficiency. - Preferred: exposure to fenestration simulation software (e.g., THERM or WINDOW) and knowledge of NFRC, ENERGY STAR, ASHRAE, LEED, or Passive House standards. Required Education & Certifications: - Current enrollment in a Bachelor’s or Master’s program in Data Analytics, Mechanical Engineering, Building Science, Materials Science, or related field. - No specific certifications required; coursework or projects in data analytics and building performance are advantageous.

Rocky mount, United states

On site

Fresher

28-01-2026