Crafting can be performed at the Molecular Printer, which can be found in many larger outposts/towns/POI's.
Manufacturing Job allow ARES operators to produce a wide variety of weapons and equipment for use in the field.
Refining Jobs are a critical part of building new gear. Any Raw Resource that is that is gathered in the field must be Refined before it's able to be used to Manufacture something.
Make sure you Refine your resources! - Firefall Molecular Printer
Research Jobs are important for dedicated Manufacturers. Learning new methods and techniques allows ARES Operators to build better and more advanced weaponry and equipment - critical in the fight against Chosen.