Human Resources Payroll Administrator

HR & Payroll Administrative Coordinator

Title: HR & Payroll Administrative Coordinator

Company: SustainableHR PEO, LLC

Location: Madison, WI (In-Office Position)

Employment Type: Full-Time

About Us

SustainableHR PEO, LLC is a growing Midwest PEO and recruiting partner focused on simplifying HR for small and mid-sized businesses. We’re known for excellent service, strong relationships, and helping clients navigate HR with confidence. As we grow, we’re adding a critical role to support our HR and payroll operations.

Position Summary

The HR & Payroll Administrative Coordinator plays a key role in supporting HR documentation, onboarding, employee records, payroll backup, and overall administrative operations. This is an ideal role for someone who is organized, detail-oriented, and excited to work in a fast-paced PEO environment where no two days look the same.

What You’ll Do

HR Administration

· Prepare and issue new hire letters, employee onboardings, and status change forms

· Maintain employee files, digital records, and compliance documentation

· Assist with I-9 verification, E-Verify submissions, and internal audits

· Manage HR inbox inquiries and coordinate responses

· Support benefits enrollment tasks when needed

Payroll Support

· Assist with collecting, verifying, and entering payroll data

· Manage updates to hours, deductions, garnishments, and employee changes

· Help troubleshoot employee payroll questions

· Support weekly/biweekly payroll processing as needed

General Coordination

· Update HRIS and payroll systems accurately

· Prepare reports, spreadsheets, and documentation for leadership

· Assist with special projects, year-end tasks, and client needs

· Maintain confidentiality and professionalism at all times

Office Support Specialist

· Facilities Maintenance: Ensure a clean and organized office environment by managing light upkeep tasks such as waste disposal and maintaining common areas.

· Hospitality Coordination: Arrange and oversee meal orders for team meetings and office events, ensuring timely delivery and quality service.

· Front Desk Operations: Serve as the first point of contact by answering incoming calls, directing inquiries, and providing courteous assistance to visitors and staff.

· Workplace Aesthetics: Maintain a welcoming atmosphere by caring for office plants and monitoring overall workspace presentation.

What We’re Looking For

· 1–3 years of HR admin, payroll support, or office coordination experience

· Strong attention to detail and ability to maintain accuracy with high volumes of paperwork

· Experience with HRIS or payroll systems

· Excellent communication skills, both written and verbal

· Ability to manage multiple priorities and deadlines

· A proactive, solutions-oriented mindset

Preferred, Not Required

· Experience in a PEO environment

· Knowledge of payroll compliance or multi-state HR practices

· Familiarity with onboarding workflows

Salary Range

$52,000–$65,000 depending on experience, with room to grow as responsibilities expand.

Why Work With Us

· Growing PEO with a strong Midwest presence

· Mission-driven culture and supportive leadership

· Clear career pathway toward HR Generalist or Payroll & Benefit Specialist roles

· Opportunity to learn the full lifecycle of HR and payroll