After the initial training period, junior officers join the Ministry of Foreign Affairs, Islamabad and serve as Section/Desk Officers in the political, administrative or protocol wings. The hierarchy at the Ministry comprises five stages:
1) Section Officer
2) Director
3) Director General
4) Additional Foreign Secretary
5) Foreign Secretary.
Junior officers begin their diplomatic careers abroad as either Third Secretary or Vice Consuls. The hierarchies in Pakistan Embassies/High Commissions/Permanent Missions/Consulates abroad comprise six stages:
1) Third Secretary or Vice Consul
2) Second Secretary,
3) First Secretary or Consul
4) Counsellor
5) Minister or Consul General
6) Ambassador/High Commissioner/Permanent Representative
http://www.cssforum.com.pk/6390-post11.html