for JE its Diploma/Degree in relevent branch, for some branches such as chemical MSc Chemistry is also eligible, For JE( IT) MSc , MCA are also eligible.
Pay scale for JE is 9300-36400 and grade pay 4200
basic at the time of joining becomes 9300
so the salary becomes (9300+4200) *2.67 = 36045
And...
more... for SSE you need to have a degree in respective branch
Basic salary at the time of joining is 12700
grade pay 4600
salary at the time of joining (12500+4600) *2.67 = 45657
all the employee of railway get 3% increment per annum and a revised pay scale every 10 years.
The bonus is also given sometimes by railways.