A<unk>  <unk>  is a non-consultant hospital doctor in the Republic of Ireland.<unk> s are supervised in their work by consultants and registrars. In training posts these registrars and consultants oversee training and are usually their designated clinical supervisors. The same structure to junior doctor grades also applied previously in the National Health Service in the UK, and informal use of the term persists there.
Senior house officer
Chief medical officer
Independent safety officer
Clinical officer
Assistant doctor 
Flight paramedic
Biological pharmacist
Clinical investigator