Jagannathan had assumed the office of DG Shipping on July 03, 2023, who earlier served as Zonal Development Commissioner, Santacruz Electronic Export Processing Zone (SEEPZ), Special Economic Zone (SEZ), Mumbai under the Ministry of Commerce and Industry.

As DG Shipping, he is attempting to leverage technology-based solution to computerize end to end the work flow process of the Directorate General of Shipping and the Examination Reforms for the compliance to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW).