Biotech Payroll & Equity Administrator (Hybrid)

Cabaletta Bio Inc.; Philadelphia (Philadelphia County); Hybrid; USD 85,000 - 110,000; Full time

Benefits offered by this job

Competitive benefits

PTO

Stock options

Job summary

Cabaletta Bio Inc. is hiring a Payroll & Equity Administration Specialist in a hybrid role based in Philadelphia, PA. The position focuses on accurate payroll processing for a growing biotech workforce, multi-state tax compliance, and equity administration within Shareworks.

You will configure and optimize our payroll infrastructure, partner with Finance, HR, and IT, and support audits, W-2s, and ACA reporting while ensuring timely, compliant payroll and equity transactions.

Qualifications

• 3 years of hands-on payroll processing experience, preferably in biotech/pharma/life sciences.
• Strong working knowledge of multi-state statutory payroll tax requirements, filings, and registrations.
• Proficiency with payroll/HRIS systems; experience with Rippling, Shareworks, NetSuite and Concur strongly preferred.
• High degree of accuracy, attention to detail, and discretion with confidential data.

Responsibilities

• Own end-to-end payroll processing for all U.S. employees across multiple pay cycles.
• Manage multi-state payroll tax compliance, registrations, withholding, unemployment insurance, and filings.
• Coordinate with international payroll providers for non-U.S. employees.
• Ensure accurate general ledger entries and reconciliations in NetSuite.
• Track PTO balances, benefits deductions, and garnishments; handle inquiries.
• Lead audits and year-end processes (W-2s, ACA) and identify process improvements.
• Stock/equity administration: manage demographics in Shareworks and record activity.
• Process new equity grants and terminations; ensure payroll impact is accurate.
• Travel & expense: review and process expense reports in Concur; manage corporate card program.
• Assist with receipts, policy compliance, and card reconciliations.

Skills

Payroll processing

Multi-state payroll tax

HRIS systems (Rippling)

HRIS systems (Shareworks)

HRIS systems (NetSuite)

HRIS systems (Concur)

Tools

Rippling

Shareworks

NetSuite

Concur

Job description

Cabaletta Bio Inc. is hiring a Payroll & Equity Administration Specialist in a hybrid role based in Philadelphia, PA. The position focuses on accurate payroll processing for a growing biotech workforce, multi-state tax compliance, and equity administration within Shareworks.

You will configure and optimize our payroll infrastructure, partner with Finance, HR, and IT, and support audits, W-2s, and ACA reporting while ensuring timely, compliant payroll and equity transactions.