JOB SUMMARY: This position is located within the HVAC Systems Group of the National Bio and Agro-Defense Facility (NBAF), for USDA's Agricultural Research Service (ARS), in Manhattan, Kansas. In this position, you will be responsible for working with and assisting journeypersons in maintaining and servicing cooling, heating, and plumbing systems, and laboratory refrigerated equipment. MAJOR DUTIES: Performs a variety of duties related to trades assigned to higher-graded employees working under the HVAC Systems Group Supervisor direction and/or a journeyperson. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.