Looking for our blessed hope, the manifestation of the glory of our great God and Savior, Jesus Christ.
Or (to avoid any trinitarian misunderstanding)
Looking for our blessed hope: the manifestation of Jesus Christ, the glory of our great God and Savior.
The great God and savior is the Father. In the same epistle and chapter, verse 1O describes God as savior:
Not purloining, but shewing all good fidelity; that they may adorn ...