Part-Time Payroll & HR Admin Specialist

Aria Group; Oak Park (IL); On-site; USD 24,000 - 36,000; Part time

Job summary

Aria Group in Oak Park, IL is seeking a Part-Time Payroll Specialist / HR Administrator to manage payroll accuracy and support HR administration. You will process bi-monthly payroll, maintain records in HRIS, assist with benefits, onboarding/offboarding, and ensure compliance with payroll regulations, while protecting confidentiality in a collaborative HR team.

This role requires 3–5 years of payroll experience and an eye for detail, offering a part-time schedule in a professional design firm

Qualifications

• 3–5 years of payroll processing experience.
• ADP WorkforceNow experience required.
• Knowledge of payroll procedures, deductions, tax withholding, and applicable regulations.
• Experience supporting HR or employee benefits preferred.
• Strong Excel and Microsoft Office skills.
• Ability to handle confidential and sensitive information.
• Ability to work independently and meet payroll deadlines.

Responsibilities

• Process payroll on a bi-monthly basis with accuracy and timeliness.
• Review timesheets, hours worked, PTO, deductions, and tax withholdings.
• Resolve payroll discrepancies and respond to employee payroll questions.
• Maintain accurate payroll and employee records in HRIS/payroll systems.
• Ensure payroll practices comply with federal, state, and local requirements.
• Coordinate with Finance to record and reconcile payroll transactions.
• Prepare payroll reports and assist with benefit account reconciliations.
• Support benefits administration and onboarding/offboarding processes.

Skills

Payroll processing

Attention to detail

Organizational skills

Communication skills

Problem-solving

Confidentiality awareness

Independence

Education

High school diploma or equivalent

Associate’s degree in Accounting, Business, Human Resources, or related field

Tools

ADP WorkforceNow

Excel

Microsoft Office

Job description

Aria Group in Oak Park, IL is seeking a Part-Time Payroll Specialist / HR Administrator to manage payroll accuracy and support HR administration. You will process bi-monthly payroll, maintain records in HRIS, assist with benefits, onboarding/offboarding, and ensure compliance with payroll regulations, while protecting confidentiality in a collaborative HR team.

This role requires 3–5 years of payroll experience and an eye for detail, offering a part-time schedule in a professional design firm