Last year my employment was transferred from FACS to an NGO provider. I work in a disability residential facility. A suggestion has been floated that my role will be changed soon or deleted. Can they do that?

Not in the short term. As part of the transition process, all NGO providers are required to maintain terms and conditions of employment as they were immediately prior to your transfer for the initial two years. Further, they are also not permitted to terminate your employment during this period (except for serious misconduct). In any event, even after the two-year period elapses, consultation would be required about any workplace change under the copied state award whilst it remains in place.