Payroll Specialist

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Welcome to the dynamic world of Ninja Trader! As an industry-leading trading platform and futures broker, we're empowering traders to take control of their financial destiny. How do we do it? We provide cutting‑edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out, Ninja Trader equips traders with award‑winning software and brokerage services to navigate the world’s leading financial markets with confidence.

Our growth story is nothing short of exhilarating. Since 2003, Ninja Trader has been dedicated to understanding and supporting traders on their journey toward trading triumph. Through those efforts, our user base has grown to over 2 million users and we have become the number one rated futures brokerage worldwide.

But we’re not stopping there. We’re constantly evolving, pushing boundaries, and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools, real‑time support, and a community of like‑minded traders.

So, why work at Ninja Trader? Here, you’re not just part of a team; you’re part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection, professional development, and employee recognition initiatives. Sounds too good to be true? Take it from our employees.

Join us as we redefine what’s possible in trading, advocate for our customers, and continue our journey toward becoming the world’s top retail‑focused trading platform in the world.

As the Payroll Specialist, you will be responsible for preparing and processing company payrolls accurately and on time. This role is responsible for new employee set‑up and terminations within our HRIS and ongoing maintenance of employee records. Additionally, the Payroll Specialist supports the HR Operations Manager in the development, implementation, and maintenance of payroll policies, procedures, and related documentation.

• Independently manage bi‑weekly, semi‑monthly, and off‑cycle payrolls
• Stay current with federal, state, and local payroll regulations and legislation and ensure compliance
• Review and verify timecard entries and work closely with Team Leads to resolve discrepancies
• Address and resolve employee inquiries regarding paychecks and payroll reporting, escalating issues as needed
• Manage payroll email inbox in a timely manner
• Manage payroll tax registrations and updates across multiple states (state withholding, SUI, and state/local paid family leave programs)
• Manage payroll tax issue resolution with our payroll provider
• Assist employees with tax form inquiries (W‑4, state/local)
• Respond to unemployment claims
• Ensure all data within HRIS is accurate at all times
• Accurately onboard and terminate employees within the HRIS system
• Collect new hire I‑9s and manage E‑Verify compliance within the company’s HRIS
• Verify completion and collection of all required employment forms upon hire
• Ensure timely enrollment of new hires in benefits programs by their effective date
• Provide data and reporting to support the broader People team
• Administer COBRA offerings and enrollments through Optum
• Manage workers’ compensation data and reporting
• Support the organization’s audit process by providing data and documentation
• Support the HR Operations Manager in ad hoc projects within the organization
• Maintain strict confidentiality of sensitive employee information

• 3+ years of hands‑on payroll experience
• Strong knowledge of payroll regulations and multi‑state tax requirements
• Experience with ADP Workforce Now preferred
• Advanced proficiency in Microsoft Excel and other Microsoft Office tools
• Excellent attention to detail
• Confident communicator, able to translate complex items into…