21Y - Geospatial Engineer or if you do a little research the mos number 21U -- TOPOGRAPHIC ANALYST. It depends on the level of command you are at, will depend on what your doing. Like every job there is Monday's at the Motor Pool and details.
AIT is really heavy into computers and using those computers to analyzes collected military geographic information to produce tactical decision aids. Predicts terrain and weather effects as applied to command, control, communication, computer, and intelligence systems. Performs data base management for the storage of aerial photographs, maps, digital data bases, and collateral source materials. Performs quality assurance during all stages of topographic operations.