Maintenance/Repair Position or Facility Maintenance role. • Charge, perform tests, diagnose, trouble shoot and repair a wide variety of capital equipment (single stage, cascade, multiple stage), utilizing blueprints, schematics, piping diagrams, technical manuals and other specifications. • Assists engineers in formulating tests, and evaluation plans and procedures to maintain accuracy of testing, checking and qualifying refrigeration systems. • Fabricating, assemble, test and repair cascade and multiple stage refrigeration systems for environmental test equipment according to blueprints, schematic drawings and testing procedures. • Tests lines, components and connections for leaks with leak detector which indicates presence of refrigerant. Removes air and moisture from system and charges system with specified amount of refrigerant. • Tests, diagnose and repair defective refrigeration system at all levels of assembly. Records pressure and temperature readings from gauges during test run. • EPA Certification required