Senior Payroll Specialist

We are looking for a Senior Payroll Specialist to manage payroll operations for multiple small business clients across various states.This role involves ensuring accurate and timely payroll processing, maintaining compliance with federal and state regulations, and supporting platform migrations.You'll also identify and implement process improvements to enhance efficiency and client satisfaction.What You'll Do:Payroll Processing & ComplianceProcess and review multi-state payrolls (weekly, biweekly, semimonthly, and monthly) for a portfolio of ***** clients using Gusto, ADP, Paychex, and Justworks, ensuring accuracy, timeliness, and compliance with all deadlines.Lead or assist with migrating clients between payroll systems, ensuring accurate data transfers, beginning balances, and compliance alignment.Set up and maintain earnings, deductions, reimbursements, and benefits (401(k), HSAs, FSAs, stipends, garnishments).Ensure compliance with minimum wage, overtime, and final pay laws across all 50 states.Reconcile payroll journals, tax liabilities, and GL postings with accounting teams, ensuring accuracy and timely completion each cycle.Identify and correct discrepancies quickly to prevent payroll delays, escalating complex situations when appropriate.Tax Registrations, Filings & Issue ResolutionCoordinate state withholding and unemployment insurance registrations for new employers and handle updates or closures as needed.Troubleshoot federal and state payroll tax filings (941, 940, CA DE-9/DE-9C, NY-45, etc.) when filings fail or require intervention.Research and assist with amended or prior-period filings (941-X, state amendments, zero filings) under the guidance of the Payroll & HRIS Manager.Respond to payroll tax notices or discrepancies, collaborating with agencies or software providers to resolve issues efficiently.Maintain an organized database of state registration details, agency credentials, and filing requirements to support departmental consistency.Client Communication & CollaborationServe as a primary payroll contact for a large client base, providing clear, timely, and professional communication.Work closely with multiple clients simultaneously, ensuring accurate and on-schedule payroll delivery across all accounts.Coordinate payroll system transitions by supporting clients through onboarding, data collection, and platform setup.Provide expert, approachable guidance on payroll tax, benefits, compliance, and best practices to small business owners and internal teams.Collaborate cross-functionally with bookkeeping, tax, and HRIS teams to ensure seamless service delivery.Contribute to departmental SOPs, templates, and process improvements to enhance efficiency and scalability.RequirementsFluent English is required.5+ years of payroll experience, including multi-state processing and client-facing interaction.Hands-on experience registering and maintaining state withholding and unemployment accounts.Solid understanding of payroll tax filings (federal and state) and ability to identify and resolve filing discrepancies.Working knowledge of labor laws (final pay, overtime, exempt vs. nonexempt, wage theft prevention, etc.).Familiarity with 401(k) and benefit deduction structures, including pre-tax and post-tax setups.Proven ability to manage complex client relationships with professionalism and confidence.Adaptability to work across multiple platforms (Gusto, ADP, Paychex, Justworks, Rippling, or similar).Strong attention to detail and commitment to compliance.Comfort in a remote, fast-paced, client-facing environment.Who Thrives Here:You thrive in complexity and find satisfaction in accuracy.You're the go-to person for troubleshooting tricky payroll tax or state registration issues.You're tech-savvy, resourceful, and proactive in communicating with clients.You have a "no drama, just solutions" approach to challenges.Bonus Points For:Prior experience with quarterly payroll corrections (941-X, state amendments).Knowledge of Secretary of State registration or business entity compliance (not required but a plus).Experience in public accounting or client advisory environmentsCertified Payroll Professional (CPP) or FPC certification.BenefitsSalary: $****-$****/month + 13 month salary2 weeks of PTO + US or local holidaysTeam-building events and virtual activitiesCareer development and internal promotion opportunities