Prepare proposals, request quotes, and negotiate purchase terms and conditionsPrepare and issue purchase orders and agreementsMonitor supplier performance and resolve issues and concernsWork with suppliers and general contractors to communicate and follow up on requirements and commitments.Monitor and coordinate material delivery processes between suppliers to ensure that items are delivered to the warehouse on time.Review supplier quotations to ensure accuracy and appropriateness and resolve any related issues.Negotiate with existing suppliers and source out potential new ones.Collaborate with finance and other related departments to ensure timely payments and accurate delivery.