Apply technical accounting for multi-year customer contracts and capital-intensive assets, including revenue recognition and deferred revenue (ASC 606), lease classification (ASC 842), and the fixed asset register (capitalization, depreciation, vendor deposits, and assets in transit). Coordinate with external tax advisors on income tax, R&D credit, sales and use, and property tax compliance, including preparing supporting schedules, tying out filings to the general ledger, maintaining state registrations, and responding to advisor requests.