About us. Casa Marianella is a nonprofit organization that welcomes displaced immigrants in Austin, TX. We promote self-sufficiency by providing shelter and support services to single adults and families with children coming from all over the world. This position is open with the family program of Casa Marianella: “Abri Lumiere”. We serve two-parent families, single dads and multigenerational family structures for an average of 3 months, until ou...