use constant NAME => 0;
use constant AGE  => 1;
use constant JOB  => 2;

my %hash;
foreach my $aref ( @array ) {
  if( 
       $aref->[NAME] eq 'kim' 
    && $aref->[AGE]  == 19 
    && $aref->[JOB]  eq 'manager' 
  ){
    $hash{$aref->[NAME]} = $aref;
  }
}