Sales Development Representative

Downstream Systems, Inc. is a leading marketplace platform that's transforming the waste and construction industries from the ground up. We're on a mission to bring simplicity, transparency, and sustainability to two of the most essential—but often overlooked—sectors of our economy.

At Downstream, we make it easy for contractors, builders, and businesses to find and book critical services like dumpster rentals, hauling, and site clean-up—all in just a few clicks. No more endless calls, confusing pricing, or waiting around. Our platform connects customers with vetted, reliable providers so they can get what they need, when they need it—without the headache.

But we’re not just about convenience—we’re about impact. By streamlining logistics and digitizing the supply chain, we’re helping reduce waste, cut emissions, and build a cleaner, more sustainable future for everyone. Whether you're managing a small job site or a major development project, Downstream is here to help you keep things moving—efficiently, affordably, and responsibly.

Let’s build better, together.

Role Overview 

The Supplier Development Representative is responsible for managing and growing relationships with equipment suppliers across national, regional, and local markets. This role plays a critical part in sourcing competitive pricing, supporting quoting efforts, and ensuring strong supplier coverage for customer needs. 

Key Responsibilities 

• Own and manage quoting requests for construction equipment across multiple markets 
  

• Develop, build, and maintain strong supplier relationships 
  

• Negotiate competitive pricing with national, regional, and local equipment providers 
  

• Collaborate with internal teams to ensure timely and accurate fulfillment of customer requests 
  

• Identify gaps in supplier coverage and onboard new vendors as needed 
  

• Maintain a strong understanding of market trends, pricing, and equipment availability 
  

Ideal Candidate Profile 

• 1–3 years of experience in the construction equipment or equipment rental industry preferred (not required)  
  

• Experience working with complex or national accounts is a plus 
  

• Strong consultative negotiation skills 
  

• Solid understanding of equipment markets, pricing structures, and supplier networks 
  

• Highly organized with the ability to manage multiple requests simultaneously 
  

• Strong communication and relationship-building skills