Hello,

Diploma or degree in Civil, Electrical, Mechanical engineering is must to apply for SSC JE exam. Age limit is according to the post however the maximium age is 32 years. 

To apply for the post of Junior Engineer (Civil, Electrical and Mechanical) you will be selected based on their performance in Paper I and II.

official age and educational qualifitaion notification: https://ssc.nic.in/SSCFileServer/PortalManagement/UploadedFiles/notice_eng_jemec_01022019.pdf

For more details: https://competition.careers360.com/articles/ssc-je-2019