Senior Specialist, Payroll (Hybrid Rahway, NJ)
Rahway, NJ - USA
Job Summary
Job Description
The Payroll Senior Specialist is responsible for ensuring the accurate timely and compliant delivery of payroll services across the United States and Puerto Rico. This role serves as the primary operational Senior Specialist for payroll processing compliance governance vendor management employee support and continuous process improvement.
The Payroll Senior Specialist works closely with Human Resources Finance Tax Legal Internal Audit Global Mobility and ADP to ensure payroll operations comply with all federal state local and Puerto Rico regulations. The role is responsible for service delivery maintaining a strong controls environment supporting mergers and acquisitions driving process automation and fostering strong stakeholder relationships.
This position serves as a key liaison with ADP and provides expertise for payroll operations tax compliance garnishment administration payroll accounting support year-end activities and payroll transformation initiatives.
Primary Responsibilities
Payroll Senior Specialist
- Responsible for all U.S. and Puerto Rico payroll operations ensuring accurate timely and compliant payroll processing.
- Oversee payroll production schedules operational calendars and critical payroll processing activities.
- Control payroll escalations and ensure timely resolution of complex payroll issues and employee inquiries.
- Serve as the operational Senior Specialist for activations and escalations impacting employee pay.
- Ensure payroll processes are executed in compliance with company policies regulatory requirements and established service levels.
- Promote knowledge sharing across the payroll organization.
Vendor Governance & Service Delivery
- Serve as the primary relationship Senior Specialist and operational liaison for ADP payroll services.
- Partner with ADP to ensure payroll processing activities are performed accurately efficiently and in accordance with established service-level agreements (SLAs).
- Oversee ongoing governance reviews with ADP to monitor operational performance compliance obligations issue management and service improvements.
- Monitor and report monthly and quarterly ADP performance metrics SLA attainment operational statistics and service trends.
- Work with ADP to identify opportunities for automation standardization and continuous process improvement.
- Utilize AI-driven analytics and automation tools to monitor payroll transactions identify data anomalies support root-cause analysis and improve payroll accuracy compliance and operational efficiency.
- Escalate service delivery compliance processing or operational concerns to ADP leadership and internal stakeholders as appropriate.
- Collaborate with ADP regarding system enhancements payroll projects legislative updates and changes in payroll regulations.
- Review reconcile and monitor all ADP-related invoices and vendor charges and elevate concerns.
- Partner with ADP to research and resolve complex payroll issues historical payroll activities corrections and employee escalations.
Payroll Compliance Tax & Regulatory Management
- Ensure compliance with all federal state local and Puerto Rico payroll regulations and reporting requirements.
- Monitor legislative and regulatory changes and collaborate with ADP to ensure timely implementation of required payroll updates.
- Partner with Tax Legal Finance Internal Audit and ADP Tax Services to support payroll compliance and risk mitigation.
- Own end to end payroll processes and controls to ensure SOX-compliant by maintaining accurate documentation supporting internal and external audits addressing control deficiencies while strengthening audit readiness and compliance
- Own and respond to payroll-related audits regulatory inquiries government agency requests subpoenas and information demands.
- Ensure payroll tax withholding reporting filing remittance corrections and reconciliation processes are completed accurately and timely.
- Collaborate with internal and external stakeholders regarding employee taxation matters including international assignments relocations employee incentive plans and other complex compensation arrangements.
- Maintain a strong compliance framework supporting payroll processing taxation garnishments wage payments and related reporting requirements.
Year-End & Quarter-End Payroll Administration
- Serve as the primary point of contact with Payroll Supplier for all quarter-end and year-end payroll activities.
- Responsible for annual payroll year-end planning activities with Payroll Supplier and internal stakeholders.
- Ensure accurate and timely completion of payroll tax filings W-2 reporting 1099 reporting wage reconciliations and year-end employee communications.
- Coordinate payroll adjustments tax balancing reconciliations and audit reviews necessary to support year-end processing.
- Partner with internal Tax Finance and accounting teams to support regulatory reporting obligations and compliance requirements.
Internal Controls Payroll Accounting & Governance
- Maintain and strengthen payroll internal controls and governance processes.
- Monitor payroll controls to ensure accurate calculation and processing of wages taxes garnishments deductions benefits and other payroll transactions.
- Oversee and own all payroll audits management reporting control reviews and exception reporting activities.
- Ensure payroll-related documentation reconciliations approvals and audit evidence are maintained and readily available.
- Review payroll audit reports and identify risks corrective actions and process improvements.
- Ensure appropriate controls exist and are monitored for payroll processing tax compliance garnishments payroll accounting and general ledger integrations.
Payroll Accounting Garnishments & Financial Oversight
- Provide oversight of payroll accounting activities payroll-to-general ledger processes reconciliations and financial reporting support.
- Serve as escalation and backup approver for ADP-managed wage garnishment administration and issue resolution.
- Serve as backup approver for payroll general ledger reconciliation activities banking transactions and payroll account balancing processes.
- Support accounting tax garnishment escheatment and vendor administration activities as required.
- Review payroll financial controls and ensure appropriate governance and compliance standards are maintained.
Business Partnership & Stakeholder Management
- Partner with HR Compensation Benefits Global Mobility Tax Legal Finance Accounting and external service providers to support payroll operations.
- Provide subject matter expertise regarding legal entity creations dissolutions mergers acquisitions divestitures and organizational restructuring activities.
- Responsible for integration and separation activities associated with M&A transactions.
- Collaborate with cross functional business units to ensure successful completion of payroll-related initiatives projects and operational deliverables.
Process Improvement & Transformation
- Drive payroll transformation initiatives focused on automation AI driven anomaly tool frameworks scalability and enhanced employee experience.
- Evaluate existing payroll processes and identify opportunities to improve efficiency controls service quality and compliance.
- Oversee and deliver implementation of new payroll processes leveraging AI technologies operational models and enhancement initiatives.
- Partner with ADP and internal stakeholders to implement payroll process improvements and leverage industry best practices.
- Develop and maintain payroll Standard Operating Procedures (SOPs) work instructions knowledge articles and process documentation.
- Ensure payroll procedures remain current documented and compliant with internal and external requirements.
Education
- Minimum of a Bachelors Degree or currently in pursuit of degree completion in human resources business or a related discipline.
Required Experience & Qualifications
- Minimum of 6 years experience (with Masters degree minimum experience is 4 years)
- Experience supporting U.S. and Puerto Rico payroll operations.
- Demonstrated experience operating within an outsourced payroll environment.
- Strong knowledge of federal state local and Puerto Rico payroll regulations and tax compliance requirements.
- Experience with ADP payroll services payroll tax services garnishment administration year-end processing and payroll governance.
- Proven experience supporting vendor relationships service-level agreements (SLAs) operational governance and escalation management.
- Strong understanding of payroll accounting payroll reconciliations general ledger integrations and financial controls.
- Experience supporting mergers acquisitions divestitures legal entity changes and organizational transformations.
- Demonstrated experience owning payroll process improvement automation and transformation initiatives.
- High degree of expertise in wage and garnishment administration.
- Strong analytical problem-solving and project management skills.
- Ability to deliver on multiple priorities and meet critical deadlines in a fast-paced environment.
MSJR
Required Skills:
Adaptability Certified Payroll Credit Management Credit Risk Assessment Financial Accounting Controls Payroll Analysis Payroll Management Payroll Processing Payroll Reports Payroll Tax Compliance People Management Preparation of Financial Reports Process Improvement Engineering Team Coordination Vendor CoordinationPreferred Skills:
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The salary range for this role is
$87300.00 - $137400.00This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employees position within the salary range will be based on several factors including but not limited to relevant education qualifications certifications experience skills geographic location government requirements and business or organizational needs.
The successful candidate will be eligible for annual bonus and long-term incentive if applicable.
We offer a comprehensive package of benefits. Available benefits include medical dental vision healthcare and other insurance benefits (for employee and family) retirement benefits including 401(k) paid holidays vacation and compassionate and sick days. More information about benefits is available at can apply for this role through (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.
San Francisco Residents Only:We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance
Los Angeles Residents Only:We will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of applicable state and local laws including the City of Los Angeles Fair Chance Initiative for Hiring Ordinance
Search Firm Representatives Please Read Carefully
Merck & Co. Inc. Rahway NJ USA also known as Merck Sharp & Dohme LLC Rahway NJ USA does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place introductions are position specific. Please no phone calls or emails.
Employee Status:
RegularRelocation:
No relocationVISA Sponsorship:
NoTravel Requirements:
10%Flexible Work Arrangements:
HybridShift:
Not IndicatedValid Driving License:
NoHazardous Material(s):
N/AJob Posting End Date:
10/12/2026*A job posting is effective until 11:59:59PM on the day BEFOREthe listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.
Required Experience:
Senior IC
About Company
Merck & Co., Inc., Kenilworth, New Jersey, USA is known as “Merck” in the United States, Canada & Puerto Rico. We are known as “MSD” in Europe, Middle East, Africa, Latin America & Asia Pacific. We are a global biopharmaceutical leader with a diverse portfolio of prescription medicine ... View more