Computer Science and System Engineering have a good craze in the IT companies and different software companies. So if you do a degree program in CSSE then you have good chances to get a good salaried job. Now CSS is kind of a daughter subject of CSE, so you will get the scopes to learn the facts of CSE as well as the systems engineering which at the end of the day also makes you eligible for the jobs corresponding to the CSE branches.

So yeah! CSS is a good branch and you can obviously go for the course.

To know more about the career as a Computer System Engineer visit the link below:

https://www.careers360.com/careers/computer-systems-engineer

To know more about CSE visit the link below:

https://www.careers360.com/courses/computer-science-engineering-course

I hope this answer helps. All the very best for your future endeavors!