Part-Time Payroll Specialist

We are seeking an experienced Payroll Specialist to support a Phoenix, Arizona–based company on a part-time, remote contract basis. This role will provide critical payroll coverage for a multi-state workforce and is expected to average approximately 30 hours per week. It’s a great fit for someone who can work independently, is highly detail-oriented, and is confident using ADP Workforce Now in a fast-paced environment.

Responsibilities:

• Process bi-weekly payroll for 400+ employees across multiple states, including both hourly and salaried staff

• Manage payroll activities across multiple pay codes and two legal entities, ensuring accuracy and compliance

• Utilize ADP Workforce Now to maintain employee records, process payroll updates, and support onboarding setup

• Assist employees and internal stakeholders with benefit enrollment processes, eligibility timelines, and system access

• Troubleshoot and resolve payroll discrepancies, including benefit balances, accrual inaccuracies, and employee inquiries

• Generate payroll-related reports supporting benefits administration, retirement contributions, and workers’ compensation tracking

• Ensure timely execution of payroll tasks and adherence to bi-weekly processing deadlines

• Provide reliable day-to-day payroll support during a critical coverage gap

Qualifications:

• Proven experience handling full-cycle payroll processing from start to finish.
• Strong background managing multi-state payroll for a workforce of 400 or more employees.
• Hands-on experience with ADP Workforce Now, including employee setup and payroll administration.
• Solid understanding of payroll compliance, payroll codes, and processing across multiple employee classifications.
• Ability to troubleshoot payroll, accrual, and benefits-related discrepancies with accuracy and urgency.
• Experience supporting benefit enrollment processes and answering employee payroll questions.
• Strong organizational skills and the ability to manage deadlines in a fast-paced environment.

Compensation

$31.25-$37.00 Hourly

About Us

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use and Privacy Notice.