$31
an hour
... pollution control equipment (e. g., water treatment systems, chemical dispensers, electrostatic precipitators, bag ... -oversight/classification-qualifications/federal-wage-system-qualifications/#url=WG-5300 Experience ...
19 days ago
$36
an hour
... , maintaining, troubleshooting, a variety of systems components such as compressors, which ... direct digital control (DDC) systems used in complex heating ventilation ... ; air conditioning, and refrigeration systems; and 3) Following all guidelines ...
23 days ago