Business Development Manager

Come build the future with us. Interstate Advanced Materials is seeking a full-time Business Development Manager at our Hayward, CA facility. At Interstate Advanced Materials, we support the professional growth of our employees while providing exceptional service to our customers. We are a wholesale distributor and fabricator of high-performance plastic sheet, rod, tube, and film serving industries such as aerospace, defense, semiconductor, medical, food processing, automotive, agriculture, and more.

Headquartered in Sacramento, CA, our family-owned company employs over 170 team members across seven states. As an environmentally sustainable and award-winning organization, we are committed to solving customer challenges through innovation, dedication, and collaboration. If you’re passionate about doing your best work at a company that values your contributions, we want to hear from you.

We’re looking for a Business Development Manager (BDM) who thrives on hunting down new opportunities and building lasting relationships. In this role, you’ll spend about 80–90% of your time focused on new business development, with the rest dedicated to growing and expanding existing accounts.

If you’re experienced in industrial or plastics sales, have a self-starter mindset, and are ready for more—more income, more responsibility, more freedom, and more fun—we want to hear from you.

• Drive new business by prospecting and landing new accounts
• Expand existing accounts through trusted relationship-building
• Manage customer projects from kickoff to completion
• Sell high-performance plastic solutions, including sheet, rod, tube, and machined parts
• Focus on development, not just maintenance—we want growth!

• Industrial or plastics sales experience with results to back it up
• Willingness to travel and stay overnight as needed to maximize your route
• A technical mindset—you’re comfortable talking shop with engineers and manufacturers
• Drive, independence, and a hunger to win