Payroll & Benefits Specialist (Multi-State Payroll / HRIS & Benefits)

About the role

Gatesource HR is looking for a Payroll & Benefits Specialist in South Florida who manages payroll operations and administers employee benefit programs across multiple locations. The role acts as a bridge between employees and insurance providers, ensuring compliance with state and federal regulations, and covers full-cycle payroll, benefits administration, compliance reporting and HR systems.

Key responsibilities

• Process bi-weekly payroll for 185 employees across seven Southeastern states, entering salaries, hourly wages, bonuses, commissions, time worked, PTO and deductions accurately.
• Manage payroll tax and benefit deductions, handle general ledger entries and monthly accruals in Microsoft Dynamics AX, and reissue paychecks or direct deposits when needed.
• Audit year-end payroll reporting (W-2s and 1095-C), and manage quarterly and annual submissions such as PTO reports, Multiple Worksite Reports and US Census data.
• Ensure timely 401(k) (pre-tax and Roth) and HSA contributions in line with DOL guidelines, and coordinate data feeds and eligibility files between ADP Workforce Now and benefit providers.
• Administer health and welfare benefits, including enrollments, changes and terminations, reconcile benefit invoices monthly, and support open enrollment and vendor feeds in ADP.
• Respond to employee questions about benefits, payroll and HR policies, conduct new hire orientations, prepare onboarding documents, assist with terminations and process background checks, MVRs and drug screenings.
• Maintain employee data in ADP Workforce Now and Microsoft Dynamics AX, generate compensation, turnover, PTO and benefits reports, file OSHA 300A and EEOC reports, track OSHA incidents, and manage auto and workers' compensation claims and unemployment claims.

Required profile

• High school diploma required; associate degree in Business, HR or a related field preferred.
• 3+ years of direct experience in full-cycle payroll processing.
• Demonstrated experience in benefits administration and HR/payroll compliance, and familiarity with payroll tax filings.
• Certified Payroll Professional (CPP) certification preferred.
• Ability to work independently, follow structured processes, and maintain confidentiality.

Required skills

• Proficiency in Microsoft Excel.
• Experience with HRIS and ERP systems; ADP Workforce Now and Microsoft Dynamics AX preferred.
• Minimum typing speed of 55 WPM.

What we offer

• 401(k) plan
• Paid time off and paid holidays
• Health, dental and vision insurance