Admin Assistant

ADP, Inc.; Greensburg (Westmoreland County); Hybrid; USD 28,000 - 37,000; Full time

Job summary

ADP, Inc. in Greensburg, PA is seeking an Administrative Assistant to keep the office running and support day-to-day HR tasks in a hands-on, hybrid role.

You’ll be the first point of contact for visitors and employees, manage calendars, assist with onboarding and payroll-related tasks, and help with invoices and vendor coordination while maintaining confidential records.

Qualifications

• 1–2+ years of administrative experience (HR or office support a plus).
• Strong organization, communication, and attention to detail.
• Discretion with confidential information.
• Proficiency with Microsoft Office or Google Workspace.
• Comfort juggling priorities in a small-business setting.

Responsibilities

• Greet visitors, answer phones, email, and walk‑in inquiries.
• Manage calendars, schedule meetings, and coordinate travel or logistics.
• Prepare correspondence, documents, and meeting materials.
• Maintain digital and paper files; keep shared documents organized.
• Order supplies, work with vendors, and keep the office running smoothly.
• Assist with invoices, expense reports, or other light finance‑admin tasks as needed.
• Support onboarding and offboarding, including new‑hire packets and exit paperwork.
• Maintain confidential employee files and accurate personnel records.
• Track time off, attendance, and basic employee data.
• Help with benefits enrollment and routine questions about policies or procedures.
• Support payroll by collecting timesheets and flagging new hires, terminations, or changes.
• Assist with handbook updates and new‑hire orientation.

Skills

Admin experience

HR support

Microsoft Office

Google Workspace

Discretion

Communication

Tools

ADP

Gusto

BambooHR

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Admin Assistant

Full Time Greensburg, PA, US

2 days ago Requisition ID: 1011

Salary Range: $20.00 To $27.00 Hourly

About the role

We’re a small team looking for a reliable Administrative Assistant to keep the office running and help with day-to‑day people support. You’ll be the first point of contact for visitors and employees, handle core admin work, and assist with recruiting, onboarding, records, and routine HR tasks. This is a hands‑on hybrid role—not a standalone HR generalist—for someone organized, discreet, and comfortable wearing more than one hat.

Administrative responsibilities

Greet visitors and answer phones, email, and walk‑in inquiries

Manage calendars, schedule meetings, and coordinate travel or logistics

Prepare correspondence, documents, and meeting materials

Maintain digital and paper files; keep shared documents organized

Order supplies, work with vendors, and keep the office running smoothly

Assist with invoices, expense reports, or other light finance‑admin tasks as needed

Support special projects and other duties as assigned

HR support responsibilities

Post job ads, schedule interviews, and communicate with candidates

Coordinate onboarding and offboarding, including new‑hire packets and exit paperwork

Maintain confidential employee files and accurate personnel records

Track time off, attendance, and basic employee data

Help with benefits enrollment and routine questions about policies or procedures

Support payroll by collecting timesheets and flagging new hires, terminations, or changes

Assist with handbook updates and new‑hire orientation

What we’re looking for

1–2+ years of administrative experience (HR or office support a plus)

Strong organization, communication, and attention to detail

Discretion with confidential information

Proficiency with Microsoft Office or Google Workspace

Comfort juggling priorities in a small-business setting

Nice to have

Experience with payroll, HRIS, or benefits platforms (e.g., Gusto, ADP, BambooHR)

Familiarity with I-9s and basic employment paperwork