Assistant Controller

This role is based in our Newton, MA office (the team generally work 3 days in office, and remotely Mondays and Fridays).Position Overview We are seeking an experienced and strategic Assistant Controller at our $500M publicly traded technology company. This is a critical leadership role responsible for overseeing all accounting, managing the monthly close process, and ensuring compliance with SOX requirements. The ideal candidate combines Big 4 accounting firm experience with public company expertise and possesses the leadership skills to drive operational excellence while managing a global team. Key Responsibilities Financial Reporting & Accounting Operations Oversee all accounting operations for the company, ensuring accuracy, completeness, and compliance with US GAAP Lead and manage the monthly close process, including preparation and review of journal entries, account reconciliations, and financial statements Ensure timely completion of month-end reporting and adherence to all close deadlines Develop and maintain the monthly close calendar, coordinating activities across global teams Review and approve financial statements and supporting schedules  Primary contact for external auditors queries on reported results SOX Compliance & Internal Controls Ensure all accounting processes maintain compliance with Sarbanes-Oxley (SOX) requirements Implement and monitor appropriate review and sign-off procedures in accordance with SOX controls Partner with internal and external auditors during quarterly reviews and annual audits Identify control deficiencies and implement remediation plans Team Leadership & Development Lead and develop a global team of five accounting professionals with plans for team expansion Provide mentorship, coaching, and performance management to direct reports Foster a culture of accountability, continuous improvement, and professional development Collaborate cross-functionally with FP&A and other finance teams, as well as internal and external stakeholders Process Improvement & Strategic Initiatives Identify inefficiencies in accounting processes and internal controls Develop comprehensive plans to address operational gaps and drive improvements Implement process enhancements and see initiatives through to completion Leverage technology and automation to improve efficiency and scalability Support special projects and strategic initiatives as needed