Basic Qualifications Principal Facilities Engineer (Level 3): Bachelor of Science degree in STEM discipline (Science, Technology, Engineering & Math) with 5 years of experience in the following engineering fields: Reliability, Manufacturing, Maintenance, Aerospace, Electrical, Aeronautical, Mechanical, Controls or a Master's degree in STEM discipline with 3 years of experience in mentioned fields OR; PhD in STEM discipline with 1 year of experience in mentioned fields. Experience with hydronics system design and operations, specifically large chilled water cooling systems (greater than 1000 tons), including centrifugal pumps, water- and air-cooled chillers, cooling towers, chemical treatment, automated valves, air management, Variable Frequency Drives.