Inside Sales Representative

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. For more information, visit us at

As an Inside Sales Representative/Project Manager, you will play a critical role in delivering an exceptional customer experience from initial inquiry through final delivery. Acting as the primary point of contact for customers, you'll guide projects through every stage of the sales process while partnering with internal teams to ensure successful project execution.

This role combines consultative sales, project management, and customer relationship management. Pre‑sale responsibilities include understanding customer needs, interpreting project requirements, developing specifications, preparing estimates, and securing contracts. Post‑sale, you'll coordinate order execution, manage project timelines, and collaborate with technical services, manufacturing, and delivery teams to ensure customers receive the right products at the right time.

• Prepare professional estimates and drive sales of metal building systems, residential metal roofing, and component products.
• Consult with customers to understand project requirements and recommend solutions that best meet their needs.
• Manage projects from quote through delivery, ensuring a seamless customer experience throughout the entire sales cycle.
• Enter sales orders into company systems and coordinate internal resources to ensure timely, accurate, and professional order fulfillment.
• Serve as the primary point of contact for customers, building long‑term relationships through responsive communication and exceptional service.
• Coordinate closely with Technical Services, Manufacturing, Customer Service, and Logistics teams to ensure successful project execution.
• Manage post‑delivery concerns, including damages, shortages, delays, order changes, and field‑related issues while maintaining customer satisfaction.
• Ensure all sales activities comply with company pricing guidelines, policies, and procedures.
• Act as the liaison between customers and internal teams to proactively address concerns, resolve issues, and communicate project updates.
• Monitor market trends, customer feedback, and competitive activity to identify opportunities for growth and continuous improvement.
• Deliver a customer‑first experience by providing proactive communication, accurate information, and timely follow‑up.
• Support business objectives through additional duties and special projects as assigned.

• High school diploma or GED required.
• Three (3) or more years of experience in a sales, customer service, inside sales, or service‑oriented environment preferred.
• Strong customer service and relationship‑building skills with the ability to communicate effectively with a wide range of customers and internal partners.
• Exceptional attention to detail and organizational skills, with the ability to manage multiple projects and priorities simultaneously.
• Demonstrated professionalism, reliability, and a strong work ethic.
• Proficiency with personal computers and business software applications, with the ability to quickly learn new systems and technologies.
• Self‑motivated and customer‑focused, with a proactive approach to problem‑solving and continuous improvement.
• Strong interpersonal skills and the ability to work effectively in a collaborative team environment.
• Equivalent combinations of education,…