I feel this SCP would be a very scary thing to encounter.
Here's the audio it produces


You would obviously encounter it in heavy containment.

Maybe if it was near the electric room where you unlock the gates/door to 079

http://www.scp-wiki.net/scp-2427
Here's an instance of what it looks like
https://www.youtube.com/embed/aRoIU6lADn8?start=270