Johnson Controls - Up to $38.23/hour - - Responsibilities: Operate, maintain, and repair HVAC, mechanical, electrical, and refrigeration systems.; Plan, select, and lay out required materials for service and repair work.; Read and work from drawings, schematics, blueprints, job layouts or verbal instructions and operate related tools and equipment.; Requisition new supplies and equipment.; Perform work safely according to established procedures and adhere to on-call emergency response requireme