Window and Door Salesperson at Koopman Lumber Co – Berlin, Connecticut

TITLE: Window and Door Salesperson

ABOUT THE ORGANIZATION: Family-owned and operated since 1939, Koopman Lumber & Hardware boasts 13 locations across Massachusetts. These include three full-line stores in Whitinsville, Uxbridge, and North Grafton, offering lumber, hardware, paint, and lawn and garden supplies. Additional locations include a lumber, hardware, paint, and design center in Sharon, a full-service paint store in Milford, and lumber yards with kitchen design centers in Hudson, Andover, Fairhaven, Dennis, Pembroke, and Indian Orchard. We also have distribution centers in Uxbridge and Sutton. Koopman Lumber specializes in building materials and supplies, including lumber, hardware, moldings and millwork, tools, power equipment, windows and doors, engineered lumber, and kitchen products. Our extensive network of outside sales professionals serves most of New England, offering expertise in lumber, millwork, kitchens, and paint.

EOE STATEMENT: We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.

OPEN DATE: 2/5/2026

CATEGORY: Sales

POSITION: Window and Door Salesperson

DESCRIPTION:

Experienced Window & Door Sales Specialist

Location: Koopman Lumber
Schedule: Full-Time

Drive sales, lead relationships, and make an impact.

Koopman Lumber is seeking a highly skilled and motivated Window & Door Sales Specialist to grow our business across New England. This role is ideal for an experienced sales professional who thrives on building lasting relationships with contractors, architects, and builders while leveraging deep product knowledge to close complex projects.

What You’ll Do

• Serve as the primary contact for architects, builders, and contractors, cultivating long-term partnerships.
• Drive new business and expand existing accounts to maximize window and door sales.
• Visit job sites, evaluate projects, and provide expert guidance on product selection and installation.
• Oversee showroom displays, literature, and marketing materials at assigned locations.
• Develop pricing strategies to increase gross profit and maintain consistency across multiple locations.
• Mentor and support less experienced sales staff and provide product education internally.
• Manage the sales process from quote to order approval, ensuring customer satisfaction and repeat business.

Why Koopman Lumber?

• Family-owned, 85+ years strong: Financially stable and deeply rooted in the community.
• Autonomy & influence: Take ownership of your territory and sales strategy.
• Professional growth: Opportunities to mentor, lead, and advance within the organization.
• Competitive compensation: Salary commensurate with experience, plus benefits including health insurance, 401(k) with company match, and employee discounts.
• Reputation for excellence: Join a team known for quality, service, and long-lasting client relationships.

Apply Today

Take your sales career to the next level with Koopman Lumber. Apply with your resume and a note about your experience and accomplishments.

Learn more at koopmanlumber.com/careers or contact Ben Doyle Pita at BDoylePita@KoopmanLumber.com.

Koopman Lumber Company, Inc. is an equal opportunity employer. We welcome applicants from all backgrounds.

POSITION REQUIREMENTS:

What You’ll Bring

• Proven track record in window, door, or building materials sales with measurable results.
• Strong knowledge of millwork products, applications, and installation processes.
• Ability to read blueprints, take precise measurements, and troubleshoot field challenges.
• Advanced relationship-building and negotiation skills.
• Proficiency in Microsoft Office Suite (Excel, Outlook, Word) and window/door software.
• Self-motivated, goal-oriented, and capable of working independently.
• Ability to travel to job sites regularly.

SHIFT: Days

EXEMPT/NON-EXEMPT: Non-Exempt

FULL-TIME/PART-TIME: Full-Time

LOCATION: Berlin

STATE: CT

ZIP: 06037

KEYWORDS: Window sales, door sales, customer service, special orders, experienced