- MacDonald-Miller (Portland, OR)
- …the Northwest's leading mechanical contracting firm, we design, deliver and service HVAC , plumbing and automation system solutions for commercial buildings. With our ... with. We strive to be both. Requirements Controls Service Technician : This is where you come in. We're looking...controls systems. + Maintain knowledge of all aspects of HVAC including design, production, refrigeration, controls and service. +… more