SQL Server SSIS Package Not running via SQL Agent

I have an SSIS package that is scheduled to run daily via a SQL job. What I noticed is that the SSIS package runs, the package executes, but none of the components execute, at least according to the SSIS package log that I set up. I can successfully run the package manually through Visual Studio; all of the components work as they are supposed to. The SQL job runs using a proxy user.

What are some things I can look for to troubleshoot?