Ethos is seeking a highly experienced financial controller to support AI document, spreadsheet, and slide tasks on a flexible remote schedule. You will own monthly close reconciliations and audit request work. Adecuado candidates have 5+ years in corporate accounting or audit support, deep GAAP, advanced Excel/Sheets skills, and superb written communication. This part-time remote role pays $80/hour with 5–20 hours weekly, start ASAP.