Marriage and Family Therapy is a relatively new area of specialization compared to Social Work. From time to time, there have been limitations associated with having a psychology or MFT degree. That doesn't mean that you couldn't find a job, just means that there may be jobs you felt qualified to do, but wouldn't be called into an interview.
The California Association of Marriage and Family Therapists and the American Association of Marriage and Family Therapists have worked hard to ensure that people understand the broad scope as well as the unique specialization of an MFT. They have rallied congress, walked on Sacramento, etc.
Some of that work has paid off, as a whole new sector has just opened up to MFTs. The Department of Veterans Affairs has just opened up positions across the United States (ok maybe just on the west coast) to MFTs! In reading over the job descriptions and government jargon, it is a little difficult to determine what the actual requirements are. It looks possible that an experienced MFT Intern could qualify for the position.
You can learn more about available openings, go here, and put in the following keyword "Readjustment Counseling Therapist" Happy Job Hunting!