Koch Air, LLC has been focused on the distribution of quality Carrier residential and commercial products since 1936, and is among the oldest and largest Carrier distributors. Today, Koch Air, has eleven branch locations, 35 delivery vehicles, and more than 300,000 square feet of equipment and parts warehousing throughout the Midwest. Koch Air is seeking a Controls System Engineer. Our Controls System Engineers provide controls system support including but not limited to assisting in control product and systems sales, take offs, estimating, project management, install, commissioning, field service and training.