Commodity Buyer

Company: Summit Polymers
Location: Portage
Posted on: April 2, 2026

Job Description:

JOB DESCRIPTION JOB TITLE: Buyer FLSA STATUS: Exempt REPORTS TO: Manager, Supply Chain (Purchasing) SUMMARY Responsible for the sourcing and ongoing management of purchased direct materials and components. RESPONSIBILITIES AND DUTIES Under general supervision is responsible for the following major tasks: ? Investigate and select sources for purchased materials in cooperation with Engineering and consistent with commodity strategies. ? Achieve cost reductions through price/contract negotiations for purchased items. Monitor contracts to assure that Summit is taking best advantage of the contracts and that the contracts achieve the intended goals. Develop commodity expertise in order to attain lowest cost, and select the best materials for Summit’s applications. ? Select and develop the highest performing sources in coordination with Supplier Development. ? Work with Summit’s cost estimators to develop and determine the optimum material prices and cost models for quoting purposes. ? Facilitate Summit personnel in gaining access to supplier expertise, technology, and manufacturing support. ? Actively participate in the New Business Development and APQP processes to ensure that the materials purchased for new products are consistent with corporate purchasing strategy and within quoted cost targets. ? Manage milestones, deliverables and prototype purchased parts for new programs during product launch cycles. ? Initiate, lead, or support VA/VE activities related to purchased materials to improve cost competitiveness and margin ? Coordinate Supply Chain parameters for purchased sources in cooperation with Logistics and Summit Plant Materials. Promote strong relationships with SPI suppliers built on mutual respect, shared goals, open communication, and integrity. ? Provide support to all other Summit functions as needed. EDUCATION AND EXPERIENCE Bachelor’s degree and 3 years purchasing or supply chain experience. Experience in the Automotive Industry preferred. SKILLS AND ABILITIES: Possesses the ability to gather and analyze information and make decisions from a limited number of choices. A minimum score of 50 on the Wonderlic Select Assessment (Traditional Score of 26 on the cognitive portion). TRAVEL REQUIREMENTS This position typically does require up to 25% travel. DISCLAIMER The information contained in this job description is not intended to be an all-inclusive list of the duties and responsibilities of the job, nor are they intended to be an all-inclusive list of the skills and abilities required to do the job. Management may, at its discretion, assign or reassign duties and responsibilities to this job at any time. Rev. 1/27/2026

Keywords: Summit Polymers, Ann Arbor , Commodity Buyer, Engineering , Portage, Michigan