Senior Payroll Specialist

Responsibilities

• In this role, you will:
• Own end-to-end bi-weekly payroll processing for employees across the United States and Canada using Workday Payroll
• Process complex payroll transactions, including equity events such as RSU vesting, NSOs, ISOs, and other stock-based compensation activities
• Manage multi-state and cross-border payroll tax compliance, including federal, state, provincial, and local tax requirements
• Establish and maintain payroll tax accounts while ensuring compliance with US and Canadian payroll regulations
• Partner closely with HR, Finance, Accounting, Equity Administration, Legal, and Workday system administrators to ensure payroll accuracy and operational excellence
• Research and resolve payroll inquiries while providing exceptional internal customer support through the payroll ticketing system
• Support month-end payroll accounting activities, including journal entries, general ledger reconciliations, and reporting
• Collaborate with internal and external auditors to support SOX compliance, payroll audits, and control documentation
• Create, maintain, and continuously improve payroll standard operating procedures and internal controls
• Drive process improvements, automation initiatives, and AI-enabled solutions that improve payroll efficiency, accuracy, and scalability
• Support Workday Payroll enhancements, system testing, configuration updates, and continuous optimization initiatives

Requirements

• Bachelor's degree in Accounting, Finance, Business Administration, or a related field
• 7+ years of progressive payroll experience supporting complex US and Canadian payroll operations, including experience in a senior or lead capacity
• Advanced hands-on experience with Workday Payroll required; Workday HCM experience strongly preferred
• Demonstrated experience processing high-volume payrolls (1,000+ employees) with exceptional accuracy and attention to detail
• Strong knowledge of US and Canadian payroll tax regulations, including multi-state taxation, CRA remittances, T4 processing, provincial tax requirements, and ROE filings
• Experience processing complex equity compensation transactions, including RSUs, stock options (NSO/ISO), ESPP purchases, and related supplemental tax withholding
• Strong understanding of payroll accounting, journal entries, general ledger reconciliations, month-end close, and SOX controls
• Experience supporting payroll system implementations, upgrades, configurations, and optimization initiatives
• Advanced Excel skills, including Pivot Tables, XLOOKUP/VLOOKUP, and data analysis
• Experience leveraging AI tools and automation technologies to improve payroll operations and reporting
• Excellent analytical, problem-solving, organizational, and communication skills with the ability to partner effectively across multiple business functions
• Preferred:
• Certified Payroll Professional (CPP) designation strongly preferred (FPC considered)
• Experience supporting Workday Payroll implementations, upgrades, or major system enhancements
• Experience preparing payroll audit documentation and managing SOX Prepared-by-Clie

Benefits

Additional Information

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com .

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