Part-Time Senior Administrative Assistant; Human Resources

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The Village of Oak Brook is seeking a detail‑oriented and customer‑focused Part‑Time Administrative Assistant to support the Human Resources Division. Under the supervision of the Assistant Village Manager, this position assists with benefit administration, onboarding/offboarding, HR data maintenance, compliance documentation, and employee support.

This role requires strong communication skills, confidentiality, and the ability to manage multiple tasks in a fast‑paced municipal environment.

Part‑time:
An average of 19 hours per week. Flexible scheduling may be available during regular business hours (Monday–Friday).

• Assist with employee benefit administration and open enrollment.
• Maintain HR records, personnel files, and compliance documentation.
• Support recruitment processes, onboarding, and exit procedures.
• Enter and maintain HR data in MUNIS (payroll, attendance, personnel records).
• Prepare or assist with reports (OSHA, unemployment, EEO-4, HR activity summaries).
• Respond to employee inquiries and provide high‑quality customer service.
• Assist with policy updates, job descriptions, and HR communications.
• Coordinate background checks and pre‑employment processes.
• Support employee relations, training coordination, and special HR projects.

• High school diploma or GED required.
• Two years of administrative, HR, or clerical experience (municipal/public sector preferred).
• Strong written and verbal communication skills and a high level of confidentiality.
• Proficiency with Microsoft Office; experience with MUNIS preferred.
• Ability to organize, prioritize, and maintain accuracy with detailed information.

Preferred:
Coursework or certification in HR, Business Administration, or a related field.

This is a part‑time, non‑exempt position with a full pay range of $29.04 - $39.27 per hour. The anticipated hourly rate is $34.15 commensurate with experience and qualifications.

As a part‑time position, the Senior Administrative Assistant is not benefit eligible; the position does participate in the Illinois Municipal Retirement Fund (IMRF) pension system. Work schedule is not to exceed 29 hours per week. There is no remote work availability.

To review the full job description and apply for this position, please submit materials as directed online through the Village of Oak Brook’s website at .

Submit a resume, cover letter with references, and a completed Village application to:

(Use the "Apply for this Job" box below).
Village of Oak Brook
1200 Oak Brook Road
Oak Brook, Illinois 60523

The Village of Oak Brook is an Equal Opportunity Employer (EOE). All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, or any other protected status under applicable law.

The Village provides reasonable accommodations to qualified applicants with disabilities in the application and hiring process. To request an accommodation, contact HR at