HR & Payroll Administrative Specialist

ADP, Inc.; Phoenix (AZ); On-site; USD 32,000 - 37,000; Full time

Job summary

ADP, Inc. in Phoenix, AZ is seeking an organized Administrative Assistant to support our Human Resources & Payroll team. You will handle onboarding, benefits administration, payroll processing, HRIS, reporting, and related administrative tasks.

The ideal candidate has 1–3 years of clerical experience, strong Excel/Outlook skills, and a keen eye for detail. This full-time role offers growth opportunities in HR and Payroll within a fast-paced environment.

Qualifications

• High School Diploma or GED.
• 1-3 years of administrative, office support, customer service, or clerical experience.
• Proficiency in Microsoft Excel, Word, and Outlook.
• Strong organizational, communication, and time-management skills.
• Diligence and ability to maintain confidentiality.

Responsibilities

• Provide administrative support for the Human Resources & Payroll department.
• Maintain employee records and update information in ADP Workforce Now (WFN).
• Coordinate onboarding, data entry, employee status changes, and employment documentation.
• Support payroll processing, reporting, audits, and recordkeeping.
• Process employment verifications, garnishments, and unemployment requests.
• Prepare correspondence, reports, and departmental documentation.
• Schedule interviews, meetings, orientations, and training sessions.
• Respond to routine employee inquiries and provide excellent customer service.
• Provide backup front desk reception coverage and assist with office operations, facilities, and company events.

Skills

Customer service

Organizational skills

Time management

Attention to detail

Confidentiality

Education

High School Diploma or GED

Associate degree in related field

Tools

ADP Workforce Now (WFN)

Bluebeam

Adobe PDF

Microsoft Excel

Microsoft Word

Microsoft Outlook

Job description

ADP, Inc. in Phoenix, AZ is seeking an organized Administrative Assistant to support our Human Resources & Payroll team. You will handle onboarding, benefits administration, payroll processing, HRIS, reporting, and related administrative tasks.

The ideal candidate has 1–3 years of clerical experience, strong Excel/Outlook skills, and a keen eye for detail. This full-time role offers growth opportunities in HR and Payroll within a fast-paced environment.