Verses with the word working in the Old Testament (4 verses):

Psalms 52:2
The tongue deviseth mischiefs; like a sharp razor, working deceitfully.

Psalms 74:12
For God is my King of old, working salvation in the midst of the earth.

Isaiah 28:29
This also cometh forth from the LORD of hosts, which is wonderful in counsel, and excellent in working.

Ezekiel 46:1
Thus saith the Lord GOD; The gate of the inner court that looketh toward the east shall be shut the six working days; but on the sabbath it shall be opened, and in the day of the new moon it shall be opened.