Sabre URC Ratnuchak Jobs Billing Assistant, Security Guard Vacancies. Sabre URC Ratnuchak Jobs Details: Post Name : Billing Assistant : 03 Posts : Post Name : Security Gd. w/o weapon (From Regd. Security Agency) : 01 Post Applications are invited along with CV/Bio data from desirous candidates for the following posts in Sabre URC, Ratnuchak