Usually, for commercial operations, a CofV is facilitated by the operator, who will provide CASA with a reason for the application. For example, when a new type is introduced and there is a need for some temporary imported expertise.
Not applicable in your case, so a doubtful way to go. Seems you will have go down the full conversion route before being employable, but meantime there would be no harm in casting around to see if anyone would at least interview you.