The Building Systems Group at the Pacific Northwest National Laboratory (PNNL) is seeking an Buildings Energy Research Engineer/Scientist to join our fast growing Residential & Commercial Building Program team; the individual will be a task/project leader and technical contributor on a growing team of scientist, engineers, researchers, and analysts performing evaluation of building energy program(s) impact, field validation test and evaluation of building systems including water heaters, HVAC systems and other systems. Our more than 1,700 staff support the Department of Energy (DOE), delivering on key DOE mission areas including: modernizing our nation's power grid to maintain a reliable, affordable, secure, and resilient electricity delivery infrastructure; research, development, validation, and effective utilization of renewable energy and efficiency technologies that improve the affordability, reliability, resiliency, and security of the American energy system; and resolving complex issues in nuclear science, energy, and environmental management.