If you are a current, permanent VA employee or Federal employee from another agency, you should apply under CBST-11655616-22-ER. This Senior Level Social Worker - Substance Use Disorder (SUD) practices in the VHSO Mental Health Service to provide mental health services as a licensed clinical social worker working at an advanced practice level which requires specialized knowledge of practice related to a diagnosis, i.e., substance use disorder and patient population, etc. Basic Requirements: United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance with VA Policy. English Language Proficiency: Candidates must be proficient in spoken and written English to be appointed as authorized by 38 U.S.C. § 7403(f). Education