With the exception of Field Marshall, all of these are appointed by the President. Some, like Chief Justince and Fed guy, are lifetime appointments, and others are at the whim of each administration. Nobody here reports to each other, so they are not "higher up" than any one else. However, in the line of succession should something catastrophic happen, the following would be in line to take over in order of the titles you provided.
1) Secretary of Defense (number 5 in succession)
2) Attorney General (6)