Answer: mapper

AnswerCrossword Clue
MAPPERCartographer
MAPPERGoogle Earth, e.g.
MAPPERCartography expert
MAPPERRand McNally artist
MAPPERWar Room planner
MAPPERChartmaker
MAPPERHuman Genome Project scientist
MAPPERCharter.
MAPPERCartographer.
MAPPERMercator, for instance.
MAPPEROne may be plotting
mapperone who maps (to plan a layout of)