Payroll Manager

WHO WE ARE Third Plateau is an impact consultancy partnering with philanthropy, nonprofits, and communities to build the infrastructure of change. We are one of Fast Company's Best Workplaces for Innovators!   OUR APPROACH Third Plateau is built on a simple premise: creating lasting social good requires more than good intentions. Society’s most complex challenges are deeply rooted, interconnected, and resistant to quick fixes. Philanthropists, foundations, and nonprofit leaders know this and are up for the challenge, bringing their passions and ambitions day in and day out. To realize that potential, they’re looking for a partner who brings the experience to design great strategies and the capacity to see them through. Third Plateau was built exactly for this work. Interested applicants are encouraged to learn more about our approach and our company values.  WHAT YOU’LL DO Reporting to the Division Lead, the Payroll Manager ensures accurate, timely, and compliant payroll operations while serving as a trusted resource to our nonprofit clients. This role demands strong organizational skills, sound judgment under deadline pressure, and the discretion to handle sensitive financial and employee information. We're looking for someone detail-driven and client-focused who thrives in a fast-paced, collaborative environment. Please note that employee relations, policy interpretation, benefits advice, benefit enrollment, plan administration and HR and employment decision-making remain outside the scope of this role. Essential duties and responsibilities include, but are not limited to: Payroll Processing & Compliance  Manage accurate and timely payroll processing for assigned client entities across multiple payroll platforms, pay frequencies, and state jurisdictions. Ensure documented client approval is obtained prior to each payroll submission, communicating client-specific cutoffs, proactively following up on missing information, and escalating late approvals before they jeopardize payroll deadlines. Review payroll registers and exception reports for accuracy   Coordinate and monitor payroll tax filings and notices across local, state, county, and municipal jurisdictions. Maintain payroll systems, leading new hire payroll set up, tax form processing, local tax set-up, timekeeping input, termination processing, and garnishment processing.  Payroll Deduction Reconciliation