Been saying it should be done like picking a jury.

Random by computer, from citizen lists

Pay good, with benefits as now

No benefits beyond the tenure

1 time

4 years, last year Is spent training replacement (shadowed and given formal training on orocedures)

No lobbyists allowed

Civillian job must be kept open (temporary replacement)

Accommodation provided

When over, they return to being normal citizens

This would prevent the alliance of evil from selecting candidates and corrupting them.

Those that want the job, shoukd not be selected... polygraph with Sodium Pentathol administered at selection, backups available.