Senior Payroll Specialist (Part-Time, Temp-to-Perm)
Confidential Company
• Greater Philadelphia Area, Pennsylvania, United States (Hybrid - 1 day on-site)
Senior Payroll Specialist - Greater Philadelphia Area - Up to $53/hr
Join a growing, mission-driven company in the life sciences industry as a part-time Senior Payroll Specialist. This contract-to-hire role offers the opportunity to take ownership of payroll operations while contributing to HR and finance process improvements.
Senior Payroll Specialist - Responsibilities
- Process and manage semi-monthly and off-cycle multi-state payroll for 30+ employees using ADP Workforce Now
- Maintain and update payroll records, including direct deposits, deductions, tax withholdings, and benefit enrollments
- Assist with the implementation and administration of benefit plans within the payroll system
- Set up and manage 401(k) contributions, employer match, and automation with the plan provider (Vanguard)
- Support payroll GL mapping for financial reporting and accounting
- Monitor and maintain state tax accounts using ADP SmartCompliance
- Prepare general ledger and audit-related payroll reports as needed
- Collaborate with HR and Finance to ensure compliance and accuracy in payroll operations
- Handle confidential employee data with discretion and professionalism
Senior Payroll Specialist - Requirements
- 4+ years of multi-state payroll processing experience required
- Proficiency with ADP Workforce Now is required
- Strong knowledge of payroll compliance, benefits integration, and tax reporting
- Experience working in biotech, pharma, or life sciences preferred
- Associate's degree in Accounting, Finance, or HR (or equivalent work experience)
- Ability to commit to approximately 20 hours per week with flexibility outside of Tuesdays (on-site day)