Clinical. Supervisor. Position. Description. . . Open Arms Housing. Inc. (OAH) is a non-profit organization committed to providing. permanent homes, with ongoing support, for women who have experienced chronic homelessness and may need or desire mental health support and services i. n Washington, D.C. . . . OAH is currently seeking a. full-time Clinical Supervisor. to work with clients in the organization’s. Permanent Supportive Housing Program. ...