Procurement Specialist

Proponent Inc • Brea, California • Full Time

Posted on Fri, May 29, 2026

Procurement Specialists typically liaise between suppliers and cross-functional internal teams in a fast-paced global work environment to ensure timely purchasing activities for an assigned vendor or product category base. They: use available resources to identify commodity and quantity, supply or service needed; analyze costs and benefits of approved supplier options; make the final selection of the commodity and place orders; follow up with suppliers on purchased products to assure delivery schedules are maintained; address internal customer inquiries and facilitate the timely and effective resolution of order and delivery issues; and clearly communicate the progress of outstanding matters to internal and external stakeholders through to resolution. They build and maintain strong, long-lasting supplier relationships with a portfolio of assigned vendors; develop a trusted advisor relationship with key supplier stakeholders and decision-makers; and listen to understand the supplier’s environment, influences, and challenges.  

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Who We Are  
 Proponent is the world’s largest independent aerospace distribution company. We partner with Suppliers around the globe to offer broad aircraft part solutions to a diverse international customer base. Our mission is to serve as a trusted advisor delivering innovative solutions in an engaging work environment. The Proponent brand means exactly what it says. It’s a brand that champions our customers, suppliers, and employees. We want each of our partners, internal and external, to win. 

Proponent takes immense pride in its status as a 100% employee-owned company, also known as an ESOP company. Ownership is ever-present throughout Proponent. A culture of ownership is one where employees feel a substantial, personal stake in the company’s performance. It creates a situation in which behavior is guided more by values than by rules. That means that each of us chooses to walk the walk and champion our values of integrity, agility, empathy, and intelligence. 

 Headquartered in Brea CA, Proponent has more than 10 offices around the world

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