Senior Payroll Specialist

Job Description:

Senior Payroll Specialist – Multi-Regional (North America, EMEA, LATAM and APAC)

Position Overview: We are seeking a seasoned Payroll Specialist to join our team, responsible for managing payroll operations across diverse global regions including: China (APAC), EMEA (Italy), Mexico (LATAM) and North America (Canada). While international payroll expertise is essential, proficiency in Italian and/or Chinese, and/or Mexico payroll is advantageous, but not mandatory, as this role involves overseeing multiple payrolls within that jurisdiction. The Specialist will engage with Employer of Record (EOR) partners in Poland, LATAM, and APAC, employing platforms such as Velocity Global and Deel. The role demands meticulous adherence to accuracy.

Responsibilities:

• Accurately process payroll for employees in Canada (semi-monthly), Italy (monthly – 2 entities), and potentially Spain (monthly), China (monthly) and Mexico (semi-monthly), ensuring all cycles are executed timely.
• Facilitate ad hoc implementation processes between various platforms, such as transitioning from an Employer of Record (EOR) model to an end-to-end payroll processing system within an independent processing environment.
• Register and establish employer payroll account numbers as part of the setup and operational workflow.
• Manage EOR invoices and payroll processing for employees across Asia (Vietnam, Republic of Korea, Hong Kong, Indonesia, Thailand), LATAM (Mexico, Brazil X2), and EMEA (Poland) using the Velocity and Deel (10 payrolls total) platforms.
• Coordinate with payroll vendors to address tax notice investigations, facilitate audit preparations, and implement necessary updates or adjustments.
• Ensure compliance with local tax regulations and manage tax account registrations as necessary.
• Collaborate with Treasury to ensure timely funding for payroll and related tax obligations. Prepare and submit monthly payroll reports for accounting, equity, and additional ad hoc reporting requirements.
• Verify and synchronize employee data across Workday (our primary data management system), Immedis/UKG (our core global payroll processing system), Velocity and, Deel. Ensure data consistency and accuracy across these platforms.
• Formulate year-end processing and execute annual reporting, ensuring accurate and comprehensive documentation.
• Address employee payroll inquiries promptly with accuracy and professionalism.
• Collaborate effectively with HR, Benefits, and Finance teams to ensure the accuracy and integrity of employee data within Workday.
• Assist with investigating account queries. Conduct thorough quarterly and year-end reviews, preparing tax documentation, reconciling payroll data, and executing any necessary adjustments.

Qualifications:

• Bachelor's degree in Accounting, Finance, or a related field. Certification in Payroll (CPP) is preferred but not required.
• Minimum of 3 years of experience in multi-regional payroll processing.
• Strong understanding of international payroll regulations and requirements. Excellent attention to detail and accuracy.
• Ability to handle confidential information with discretion. Proficiency in using Velocity and Deel platforms is highly preferred, or experience in similar payroll management systems.
• Familiarity with Immedis/UKG and Workday systems is advantageous.
• Strong Excel skills, including complex formulas, vlookups, pivot tables, and data analysis.
• Ability to manage multiple payrolls and meet tight deadlines in a fast-paced environment.

About Integral Ad Science:

Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry's most actionable data to drive superior results for the world's largest advertisers, publishers, and media platforms. IAS's software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information, visit

Equal Opportunity Employer:

IAS is an equal opportunity employer, committed to our diversity and inclusiveness. We will consider all qualified applicants without regard to race, color, nationality, gender, gender identity or expression, sexual orientation, religion, disability or age. We strongly encourage women, people of color, members of the LGBTQIA community, people with disabilities and veterans to apply.

California Applicant Pre-Collection Notice:

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Attention agency/3rd party recruiters: IAS does not accept any unsolicited resumes or candidate profiles. If you are interested in becoming an IAS recruiting partner, please send an email introducing your company to We will get back to you if there's interest in a partnership.