Accounting Intern - Summer 2026

Sealing Devices Inc. has been named a 2024 Metro Buffalo Top Workplace—and we’re looking for motivated college students to join our team this summer!

As a Summer Intern, you’ll get hands-on experience working with our accounting and customer service teams. This is a great opportunity to build real-world skills, work with supportive professionals, and see how a top Western New York company operates behind the scenes.

What You’ll Do

You’ll be an important part of our daily operations, helping with tasks such as:

• Processing supplier invoices and credit/debit memos in our ERP system
• Sending customer invoices and assisting with payment discrepancies
• Communicating with customers about credit requests and tax-exempt documentation
• Helping organize digital files
• Pitching in on a variety of projects and tasks that support our team
  
  

This internship is designed to help you learn, grow, and gain meaningful experience that you can carry into your future career.

What We’re Looking For

If you’re a student who is:

• Studying a major related to business, accounting, finance, or a similar field
• Excited to learn and collaborate with multiple departments
• A strong communicator—both written and verbal
• Comfortable using Microsoft Office
  
  

…we’d love to meet you!

Internship Details

• Full-time, 40 hours per week
• Paid internship: $16.20 – $18.00/hour, based on experience
• Work takes place in a professional office environment
• Reasonable accommodations available
• Light physical activity (mostly sitting, some walking, lifting under 10 lbs.)