I have installed Boinc and subscribed to the projects I used to have on my old Windows machine. Everything works fine with one exception. I did not see any option in Boinc Manager to specify if I want my job to start on system boot or not.

After a reboot I can clearly see in the processes that boinc is doing it's calculations even though the manager is not running. So, is there a way to stop this process to autostart? Should I create a startup script which starts 30-40 seconds after login and kills all boinc processes? This seems kind of drastic I think :)