How do Availability Groups work with cheduled jobs and SSIS packages?

Question

I have 2 SQL Servers set up with a database in an AlwaysOn Availability Group.

I also have jobs set up which run against the database. During a failover how do I ensure the jobs will continue to run on the secondary server? Do I need to install the jobs and SSIS packages on both machines and manually disable them on the secondary machine... then manually enable them in the case of a failover? Or is there built in functionality to handle this?