Senior Payroll Specialist

What You'll Do:

As CoreWeave continues its rapid growth and global expansion, our Finance Operations organization is scaling to support an increasingly complex global workforce. Payroll is a mission-critical function that ensures employees are paid accurately, compliantly, and on time while enabling the business to scale efficiently. This role will play a key part in optimizing payroll operations across the United States and Canada while driving automation, process improvements, and system enhancements that support one of the fastest-growing public companies in the AI infrastructure space.

We are seeking a highly motivated, detail-oriented, and collaborative Senior Payroll Specialist to join our Finance Operations team. This individual will own end-to-end payroll processing across the United States and Canada while serving as a subject matter expert for Workday Payroll, payroll compliance, and cross-border payroll operations. The ideal candidate thrives in a fast-paced environment, enjoys solving complex payroll and compliance challenges, and is passionate about improving processes through automation and technology. This role offers broad exposure across Payroll, HR, Finance, Accounting, Legal, Equity Administration, and external vendors while providing the opportunity to help scale payroll infrastructure supporting a rapidly growing global organization.

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

Who You Are:

• 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-Client (PBC) requests

Wondering if you're a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Here are a few qualities we've found compatible with our team. If some of this describes you, we'd love to talk.

• You enjoy solving complex payroll challenges, improving processes, and building scalable solutions that support a rapidly growing global workforce
• You're naturally curious, embrace new technologies, and are excited by opportunities to leverage automation and AI to transform payroll operations
• You thrive in fast-paced environments, enjoy partnering across HR, Finance, Accounting, and Technology teams, and take pride in delivering accurate, compliant, and employee-focused payroll experiences

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you won't want to miss. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our products and how we work together, which is reflected in our core values:

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage entrepreneurial thinking, collaboration, and innovation. As we continue to scale, opportunities for growth and advancement are constantly expanding. You'll work alongside some of the brightest minds in the industry while helping shape the future of AI infrastructure.

The base salary range for this role is $115,000 to $153,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).