My state, GA; is one of those where you could do either. Get hired first or go to the academy first. It also does the 'certifiable' thing to. Even getting hired first and going second, you aren't 'certified' (have arrest powers) until the department that hires you sends in paperwork after academy completion.
GeorgiaCarry.org is an influential civil rights organization committed to not resting until the State of Georgia ceases all infringements upon the people's natural right to keep and bear arms that is protected by both the constitutions of Georgia and the USA. It's members include prominent legislators, captains of industry, members of the armed forces, police officers, parents, academics, lawyers, and citizens from all walks of life.
Vi et Consilio