Ethos is seeking an experienced FP&A; professional for a fully remote, adaptable engagement. The role focuses on building forecasts, variance analysis, and driver-based models to support AI-driven document, spreadsheet, and slide work. The successful candidate will deliver board-ready P&L; decks and monthly flux memos, with expert-level document craftsmanship and outstanding written communication. Remote, 5–20 hours per week, ASAP start.