Other forms: tacticians
A tactician is someone good at planning tactics: the specific means of accomplishing goals.
A strategy is an overall plan for accomplishing something. Tactics are the steps taken to carry out the strategy. If someone is skilled at coming up with tactics, they are a tactician. In a political campaign, a tactician helps with speeches and ads. In football, a tactician draws up plays. In war, a tactician figures out specific ways of carrying out the plans of the generals. A tactician knows how to get things done.