Part-Time Payroll & HR Administrator

ARIA Group; Oak Park (IL); On-site; USD 34,000 - 41,000; Part time

Job summary

Aria Group in Oak Park, IL is seeking a Part-Time Payroll Specialist / HR Administrator to join our HR team. You will manage payroll processing and maintain accurate payroll records while supporting benefits and HR systems.

This hands-on role is approximately 20 hours per week, with payroll deadlines in focus. The position requires ADP WorkforceNow experience and strong Excel skills, along with a high school diploma; an Associate’s degree is preferred.

Qualifications

• 3–5 years of payroll processing experience.
• Experience with ADP WorkforceNow is required.
• Working knowledge of payroll procedures, deductions, tax withholding, and applicable payroll regulations.
• Previous experience supporting HR or employee benefits is preferred.
• Strong Excel and Microsoft Office skills.
• Exceptional attention to detail and organizational skills.
• Ability to handle confidential and sensitive employee information appropriately.
• Strong communication and problem-solving skills.
• Ability to work independently, prioritize responsibilities, and meet payroll deadlines.
• High school diploma or equivalent; Associate’s degree in Accounting, Business, Human Resources, or related field preferred.

Responsibilities

• Process payroll accurately and on time for all employees on a bi‑monthly basis.
• Review timesheets, hours worked, PTO, deductions, garnishments, tax withholdings, and other payroll‑related information.
• Research and resolve payroll discrepancies and respond to employee payroll questions.
• Maintain accurate payroll and employee records within our HRIS/payroll systems.
• Ensure payroll practices comply with applicable federal, state, and local requirements.
• Coordinate with our Finance team to ensure payroll transactions are properly recorded and reconciled.
• Prepare payroll reports and assist with payroll and benefit account reconciliations.
• Support employee benefit administration, including enrollments, changes, and payroll deductions.
• Assist with employee onboarding, offboarding, and other HR administrative processes.
• Maintain employee information and documentation with a high degree of accuracy and confidentiality.
• Provide general administrative support to the HR team as needed.

Skills

Payroll processing

ADP WorkforceNow

Excel

Microsoft Office

Attention to detail

Confidentiality

Communication

Problem-solving

Independent work

Time management

Education

High school diploma or equivalent

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

Job description

Aria Group in Oak Park, IL is seeking a Part-Time Payroll Specialist / HR Administrator to join our HR team. You will manage payroll processing and maintain accurate payroll records while supporting benefits and HR systems.

This hands-on role is approximately 20 hours per week, with payroll deadlines in focus. The position requires ADP WorkforceNow experience and strong Excel skills, along with a high school diploma; an Associate’s degree is preferred.