I’m going to agree with Chris with one addition.
On a two day a week (weekend only program) you will find that you will decondition fom week to week and will probably end up chasing your tail. The way to prevent this would be to do enough muscular damage that it would take you 6 days to recover, but if you do that on Saturday, Sunday’s session would likely be toast.
My solution would be to add one or two mini workouts during the week. You could do some of the following: Banded good mornings, banded squats, banded hammer curls, banded close grip bench, etc. - get creative. You could use a few light dumbbells or kettlebells, forerm work with sledgehammers, one arm rows with water bottles. People did build strength before barbells.
The idea with these workouts is to work enough to delay adaptation so you don’t decondition by the following weekend. I assume after the few months you willr eturn to a somewhat normal program.