SEP Deployment Options

All of our assets have SEP (Symantec Endpoint Protection) installed on them through our imaging process. I'd prefer to discontinue installing the s/w via our imaging process and changeover to a method that would deploy a package automatically once the asset touches our network with the hope that each asset will update not only the package version but also the SEPM server name. Is there only one way to accomplish this through the remote push feature or are there other ways that I am not aware of? Thanks!