When you sit all day, you're gonna want to work on the posterior chain. This would be in a program that also has an endurance session of two for these areas, as well as mobility for the opposing muscle groups (shoulders, chest, core, anterior hips, quads).
SMS: SubMax Strength Back and Hips
Workout
Mechanical
LLT
LMT
ULT
UMT
GPR
GAR
LPR
LAR
HISS
HIIT
SISS
SIIT
Warm-Up Blocks
Workout Blocks
SMS: LLT Back and Hip SubMax Strength
Superset
x 3
SMS: LLT back and hip submax strength 2
Superset
x 3
Cool Down Blocks
Cool Down Block
Horizontal Loading
Help begin recovery process