The R&D department is responsible for the development of a manufacturing process by which the intended product will be manufactured. Based upon the R&D trials / studies, a protocol would be developed which is unique and not breaching any existing patent.
R & D involves new product development/innovations, improving current products/brands as per market demands.
Thus, it involves keeping a track of new and developing trends, and understand what competition is doing. R & D department is thus crucial for companies to maintain competitiveness in the market.
One needs to have strong conceptual knowledge, information about formulation processes and standards. Should work as per protocols, be focussed, have ability to document details. Documentation is important from a regulatory point of view.
Planning, execution, verification/ validation are key parameters needed.