QRadar is a topic that anyone can learn and as long as there is good will to learn that will be possible. Remember that you can enhance your knowledge as long as you are constantly training. The more you learn, the better for you. Try not to forget that you can work on cybersecurity even while knowing about an intermediate level of this topic.
QRadar will be a good thing that you can learn in an easy manner today thanks to the internet and cybersecuroty is a topic that is getting broad in the long term. Keep it working and stay as motivated as possible. You do have to get more learning in general terms so there is always a first step to give.
Remember also that cybersecurity does not have to be a topic that is hard in a general way at least not all the time. Learn about hacking, cybersecurity techniques and even ethical hacking which can be useful at the end of the day. You are a person who can make it so do not forget that working on your thing will help you out in a nice manner. The more you learn, the better you get. Keep it going on and work as much as possible too. QRadar is waiting for you so do not be left behind because there are already people learning with us.