- Kelly Services (Philadelphia, PA)
- …including distillation columns, pressurized reactors, mixing kettles, control systems, packaging equipment, physical structures, piping, and electrical systems in a ... + A Philadelphia Class "A" or Class "D" Operating Engineer 's license is a plus. NJ Black Seal Boiler...as a Maintenance Mechanic in a manufacturing facility or chemical/food/ pharmaceutical plant. Must have the ability to work with… more