In office again smirk over application of current journalist (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Reversal of ( … over , in a down clue) LEER(smirk/to look at someone in an unpleasant way) + ECT(abbrev. for “electroconvulsive therapy”, a medical treatment with the application of electric currents through the brain) + ED(abbrev. for “editor”, a senior journalist).