After 2 year period of visa noc need/ dont need?

My name muneer . I m working in ibri (oman). My visa expire on 26 January 2018. Now I have Another one good offer in Oman . my visa period finished on 26th. After this my visa period, can i Return to oman again On a fresh new visa.need NOC ?  How was the rule of after two year visa period
return to oman. Pls help me reader.   Please.

U still need noc