Jamieson, Fausset and Brown on Job 23:9

9. Rather, "To the north."

work--God's glorious works are especially seen towards the north region of the sky by one in the northern hemisphere. The antithesis is between God working and yet not being beheld: as in Job 9:11, between "He goeth by," and "I see Him not." If the Hebrew bears it, the parallelism to the second clause is better suited by translating, as Umbreit, "doth hide himself"; but then the antithesis to "behold" would be lost.

right hand--"in the south."

hideth--appropriately, of the unexplored south, then regarded as uninhabitable because of its heat (see Job 34:29).