General no Problem.
Install as Farm
Best use Powershell as the assistant is not very good for a correct installed server (besides the name of the databases with all their guids isn't a thing you will like)
Next time a nicely asked question without CAPS would be good.
Which SharePoint Version are you using? There is an internal bug for the TimerJob-Programming Libraries in SharePoint 2010.
Did you tried debugging? Is the Job instanciated? Is the job in the JobList you get via your Programming (there is a difference to the central administration, both mustn'd be the same).