At this Level the Signal and Telecomm Department is Headed by a JAG/SG grade IRSSE officer designated as Sr.DSTE (Senior Divisional Signal & Telecom Engineer) who is in turn assisted by SS & JS grade officers designated as DSTE (Divisional Signal & Telecom Engineer) and ADSTE (Assistant Divisional Signal & Telecom Engineer). An IRSSE officer starts his career as an ADSTE who is the Team leader of about 100-200 staff with jurisdiction of around 200 km and can rise up to the level of General Manager in a Railway Zone or Member (Signal & Telecom) in Railway Board.The post of Safety Officers also has been made ex-cadre for Technical and Traffic Officers in Indian Railways, and almost every division shall have a post of DSO or ADSO/S&T, with at-least one Division in each zone having a SrDSO, belonging to S&T.