In order to enable SSH access you will have to first enable root access
To enable root access, you need to secure the vRealize Operations Manager Console.

More information here: http://pubs.vmware.com/vrealizeoperationsmanager-61/topic/com.vmware.vcom.core.doc/GUID-CBF43396-7161-4F26-9F09-4E2829AFACF0.html

To enable ssh, login as root and run the following commands:

Start the SSH service by running the command: service sshd start
Configure SSH to start automatically: chkconfig sshd on