ULTRA MOBILE is seeking a talented Senior Manager, Accounting to join the Finance Team in Costa Mesa, CA. This hybrid role requires a local commutable distance to the HQ Costa Mesa, CA office as needed. The role is key within the Accounting Operations team, responsible for preparing and maintaining accounting records, monthly accounting close activities, and accounting variance analyses. The role will also aid in assessing and providing feedback on proposed company initiatives, ensuring proper accounting treatment to new business strategies and products. Ensuring timely and accurate book closure in compliance with accounting policies is necessary to meet reporting requirements. The team also develops, modifies, and maintains internal controls (SOX) within accounting processes to ensure accuracy and objectivity of financial records.