Payroll Specialist

We are seeking a meticulous and experienced Payroll Specialist to join our team to work on payroll in the United States/(Canada) North America. The ideal candidate will have in depth-knowledge of the US payroll processes, year end tasks as related to payroll, and be proficient in using Workday. The Payroll Specialist will be responsible for ensuring accurate and timely processing of payroll for our US and Canada employees adhering to all relevant laws and regulations.

Responsibilities:

• Process semi-monthly payrolls for US and Canada employees including Commissions, Sales Bonuses, and Incentive payments. Process several off cycles monthly for equity and ad hoc off cycles. Off cycle payroll processing may include the Annual Bonus payroll, terminations, adjustments, and other ad hoc requests.
• Calculate Paid Leave Top Up payments and closely work with Benefits to ensure accurate processing of leaves.
• Review and verify timekeeping records and resolve any discrepancies.
• Communicate daily with vendors for payroll processing and tax notice investigation and coordinate any necessary adjustments or updates. Process payroll adjustments via manuals as needed. Examples include manual tax adjustments or benefits adjustments.
• Ensure compliance with Federal, State and Local tax regulations. Registrations for tax account setup as needed.
• Maintain accurate and reconciled data between various platforms and Workday.
• Ensure monthly reporting obligations are met both internally and externally with tax agencies.
• Generate and review payroll reports and reconcile for payroll data to ensure accuracy.
• Respond to employee inquiries in a timely manner.
• Collaborate with HR, Benefits and Finance teams to ensure accurate employee data in Workday.
• Conduct quarterly and year end review. Process W-2s and reconcile payroll data. Resolve payroll adjustments due to changes and issue W2Cs as needed.
• Provide support during payroll audits and ensure all documentation is accurate and accessible.

Qualifications:

• Bachelor's degree in accounting, finance, or a related field.
• Minimum of 3 years of experience in US payroll processing.
• Excellent attention to detail and accuracy.
• Proficiency in using Workday for payroll processing is strongly preferred. At a minimum experience in a similar payroll management system.
• Strong Excel skills, including the ability to create complex formulas, vlookups, pivot tables, and data analysis.
• Strong understanding of US payroll laws, regulations, and tax requirements.
• Ability to prioritize tasks, work on multiple payrolls simultaneously and meet deadlines in a fast-paced environment.
• Ability to maintain confidentiality and handle sensitive information with discretion.
• Certification in Payroll (CPP) is preferred but not required.

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:

We collect personal information (PI) from you in connection with your application for employment or engagement with IAS, including the following categories of PI: identifiers, personal records, commercial information, professional or employment or engagement information, non-public education records, and inferences drawn from your PI. We collect your PI for our purposes, including performing services and operations related to your potential employment or engagement. For additional details or if you have questions, contact us at

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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.

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