[Hiring] People Operations Specialist @Zilliant

Role Description

Zilliant is looking for a detail-oriented People Operations Specialist with a strong focus on payroll to join our HR team. In this role, you will serve as a key owner of global payroll operations while also supporting core People processes across the employee lifecycle. You’ll ensure accurate and compliant payroll delivery across multiple countries, while contributing to a seamless and high-quality employee experience. You’ll work closely with HR, Finance, and external payroll providers.

• Own end-to-end payroll processing across the U.S. and international regions (ADP Workforce Now, ADP Celergo, OysterHR), including salary changes, bonuses, commissions, and terminations on a monthly and semi-monthly cadence.
• Review and audit payroll data for accuracy and compliance, including severance, sign-on bonuses, retention bonuses, referral bonuses, and merit increases.
• Manage ongoing payroll-related audits and processes including 401(k) contributions (weekly), UK pension updates and submissions (monthly), termination reporting, SOC, and benefits-related payroll changes.
• Support global payroll cycles including variable/bonus payouts, year-end processing, ACA reporting, EEO-1 reporting, and distribution of tax documents across all countries.
• Maintain and update employee records in HR systems, ensuring accuracy across payroll, benefits, and personnel data.
• Support the employee and contractor lifecycle from onboarding through offboarding, including new hire paperwork, E-i9, system updates, and employee communications.
• Partner cross-functionally with HR, Finance, and external vendors to resolve payroll issues, improve processes, and ensure compliance with local regulations.

Qualifications

• Highly detail-oriented with a strong commitment to accuracy, compliance, and data integrity.
• Organized and able to manage multiple payroll cycles, deadlines, and global requirements simultaneously.
• A proactive problem-solver who identifies discrepancies and drives resolution.
• A strong communicator who can partner effectively with cross-functional stakeholders and external vendors.
• Process-minded and always looking for ways to improve efficiency and scalability.

Requirements

• 3+ years of People Operations or payroll experience, with strong hands-on payroll ownership.
• Experience with ADP Workforce Now required; experience with ADP Celergo, OysterHR, or similar global payroll platforms strongly preferred.
• Knowledge of U.S. payroll regulations and familiarity with international payroll practices.
• Experience auditing payroll data, benefits, and tax-related documentation.
• Experience supporting broader HR processes such as onboarding, employee data management, and benefits administration.
• Strong Excel skills and analytical mindset.

Benefits

• Full benefits package including medical, dental, and 401k plans with a company match.
• Generous Paid Time Off (PTO) policy to ensure a solid work/life balance.
• Monthly Zilliant Zen Days to rest and recharge.
• Comprehensive parental leave to provide time to bond with new family members.
• Volunteer Time Off (VTO) policy to give back and contribute to your local community.
• Remote or Hybrid work schedule, depending on team and personal preferences.
• The financial and strategic backing of Madison Dearborn Partners (MDP).