operational
US /ˌɑː.pəˈreɪ.ʃən.əl/
UK /ˌɑː.pəˈreɪ.ʃən.əl/

1.
in working order and ready for use
:
•
The new system is fully operational.
•
We need to ensure all equipment is operational before the event.
2.
relating to or involved in the operation of something
:
•
The company is facing some operational challenges.
•
They are discussing the operational details of the project.