• Act as Subject Matter Expert for Contract Accounting in CMS/leasing system implementation projects • Analyze, gather, and structure functional requirements from business and accounting teams • Translate business requirements into functional concepts and system specifications • Define, validate, and document posting and valuation logic for leasing contracts • Support end-to-end testing, including test case definition, execution, and verification • Advise project teams and business departments on accounting principles, best practices, and system capabilities • Ensure compliance with IFRS/IAS and local GAAP in all functional designs • Prepare and maintain functional documentation (concepts, test scenarios, user guidelines) • Provide functional go-live and post-go-live support • Communicate status, risks, and progress to stakeholders • Manage ad‑hoc requests related to contract accounting topics