Payroll Administrator, North America

About Mozilla

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role

Responsible for supporting the North America payroll operations, processing semi-monthly and bi-weekly payroll for around 800 U.S. and Canadian employees while ensuring compliance with federal, state/provincial, and local regulations. This role will ensure accurate and timely payroll cycles, compliance with tax laws and company policies, and provide reporting and analysis to support business needs. The Payroll Administrator will also assist in process improvements and cross-functional initiatives.

What you’ll do

• Administer end-to-end payroll processing for U.S. and Canadian employees (~800 employees), ensuring accurate, timely, and compliant payroll on a semi-monthly basis and bi-weekly basis.
• Maintain current knowledge of applicable federal, state/provincial, and local payroll tax regulations and reporting requirements.
• Accurately incorporate payroll variables (e.g., commissions, one time bonus payments, etc.) into payroll system for timely payment processing.
• Ensure timely and accurate processing of changes impacting payroll (e.g., new hires, terminations, rate changes, 401K/Roth/RRSP rate updates, etc.)
• Assist with payroll issue resolution, effectively collaborating and communicating with internal and external partners.
• Collaborate with the People Operations, Benefits and external vendors to ensure accurate benefit deductions and payroll-related transactions.
• Effectively communicate with employees regarding payroll related inquiries.
• Organize compliant and accurate payroll records.
• Assist with year-end activities, including W-2s, T4s, tax filings, and audits.
• Maintains payroll data with a high level of confidentiality.
• Support Senior Payroll Analyst in day to day operation and projects.

What you’ll bring

• Education & Experience:
  • BA/BS in Business Administration, Accounting Finance or related field AND 5+ years of payroll processing experience, preferably across U.S. and Canadian payrolls.
  • OR equivalent combination of education
• Skills & Knowledge:
  • Working knowledge of federal and state/provincial payroll tax regulations.
  • Experience with multi-jurisdiction taxation.
  • Canadian payroll experience is a plus.
  • Experience with payroll systems. ADP Workforce Now experience is a plus.
  • Strong customer service focus with an ability to communicate effectively with all levels of the organization and partner with key stakeholders.
  • Excellent attention to detail, organizational, and analytical skills.
  • Ability to handle sensitive and confidential information with integrity.
  • Experience working in cross-functional environments.

Commitment to our values

• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get

• Generous performance-based bonus plans to all eligi