Payroll & HR Operations Associate

Job Description

Job Description

Position Brand Description:

The Payroll & HR Operations Associate is responsible for the end-to-end execution, accuracy, and compliance of payroll operations. This role serves as the primary owner of payroll processes and payroll-impacting systems, ensuring data integrity, regulatory compliance, and operational efficiency.

This position partners closely with the Professional Employer Organization (PEO), Finance, and site leadership to deliver timely and accurate payroll for a multi-shift workforce. In addition to payroll ownership, the role provides support in benefits administration, employee inquiries, and select HR operational initiatives to ensure a high-quality employee experience.

Key Objectives/Deliverables:

Payroll Execution & Administration

1. Own and execute biweekly payroll in partnership with ADP (PEO), including data validation, processing, reconciliation, and issue resolution.
2. Review and validate timesheets, pay adjustments, deductions, expense reimbursements, and other payroll inputs to ensure accuracy and completeness.
3. Manage payroll calendars, deadlines, and deliverables to ensure timely and accurate processing.

Timekeeping & Compliance

1. Oversee timekeeping processes for a multi-shift workforce, ensuring accurate tracking of hours worked.
2. Ensure compliance with federal, state, and local wage and hour laws, including overtime and shift-based requirements.
3. Investigate and resolve payroll discrepancies, timekeeping issues, and employee inquiries.

HRIS & Employee Data Management

1. Own all payroll-impacting HRIS transactions, including hires, terminations, transfers, and compensation changes.
2. Maintain accurate and up-to-date employee records, ensuring data integrity and audit readiness.
3. Support onboarding and offboarding processes from a systems and payroll perspective.

Reporting, Audit & Controls

1. Partner with Finance on payroll reporting, including expense-related payroll entries, variance analysis, and general ledger reconciliation.
2. Ensure proper classification and tax treatment of expense reimbursements in compliance with applicable regulations.
3. Lead or support payroll audits, including expense-related reviews, compliance checks, and internal control processes.

Payroll, Benefits & Employee Support

1. Support administration of employee benefits programs by maintaining records and coordinating with the PEO.
2. Serve as a point of contact for employee payroll, providing timely and customer-focused support.
3. Serve as the secondary point of contact for employee benefits inquiries.
4. Partner with the PEO to resolve payroll and benefits issues and ensure accurate processing.

Compliance & HR Program Support

1. Assist with the development, maintenance, and audit of HR compliance documentation, policies, and regulatory reporting
2. Support HR initiatives such as onboarding and offboarding, performance management cycles, training coordination, employee engagement, and internal communications, as needed.
3. Participate in cross-functional projects and continuous improvement efforts to enhance HR and payroll operations
4. Perform other duties as assigned by HR leadership

Basic Requirements:

1. Bachelor Degree required.
2. 2+ years of HR experience, including payroll administration (PEO experience preferred)
3. Strong proficiency in Microsoft Office applications, particularly Excel (formulas, pivot tables, data analysis)
4. Strong understanding of payroll processes, timekeeping practices, and wage and hour regulations
5. Excellent attention to detail, organizational skills, and ability to manage multiple priorities under tight deadlines
6. Strong interpersonal and communication skills with a customer-service orientation
7. Ability to handle confidential information with discretion and professionalism

Additional Preferences:

1. Experience supporting payroll for hourly and multi-shift workforces in a manufacturing or GMP environment
2. Experience with HRIS and payroll systems (e.g., ADP Workforce Now, Workday, UKG)
3. Working knowledge of federal and state employment laws, including New Jersey requirements
4. Experience supporting payroll audits, compliance reviews, and data integrity initiatives
5. Ability to adapt to evolving processes, systems, and business needs in a fast-paced environment
6. Demonstrated commitment to process improvement and operational efficiency

This is an exempt, salaried role with an anticipated compensation range of $78,000 - $130,000.

This is a banded role, and candidates will be placed within the range based on experience, skills, internal equity, and market considerations.

Celltrion Branchburg, LLC offers a comprehensive benefits package that includes paid time off (holidays, vacation, and additional leave), medical, dental, and vision insurance, life insurance, a company-matched retirement savings plan, wellness programs, and short- and long-term disability coverage. The position may require travel, on-call availability, and could involve shift work. Hybrid work flexibility may be available based on business needs; relocation assistance is not provided.

Celltrion is an EEO/Affirmative Action Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity, gender expression, national origin, protected veteran status, disability or any other legally protected status.