Administrative Assistant

Salary: USD
21 - USD
25 per hour

We are seeking a detail-oriented and self-motivated Administrative Assistant to support daily office operations at a union district office located in Rancho Cucamonga. This role serves as the primary point of contact for the location and operates with a high degree of independence. The Administrative Assistant will provide essential support to union members, business representatives, and leadership while ensuring efficient and accurate administrative operations.

This position is well-suited for an individual who values stability and is seeking long-term professional growth. Opportunities for advancement may be available over time.

• Independently manage day-to-day office operations with minimal supervision
• Serve as the primary office contact by handling phone calls, emails, mail, office supplies, and package deliveries
• Assist union members with applications, dues processing, onboarding, and general inquiries
• Perform accurate data entry and maintain organized records, reports, and documentation
• Prepare and manage weekly and monthly reports using Microsoft Excel
• Reconcile accounting and reporting data and manage petty cash
• Maintain a clean, organized, and professional office environment, including common and kitchen areas
• Support annual and semi-annual projects, including dues calculations and organizational communications
• Assist with travel planning for conferences held approximately every four years

• Strong multitasking, organizational, and time management skills
• Excellent verbal and written communication skills with a professional demeanor
• Ability to interact confidently with executive-level professionals
• Advanced proficiency in Microsoft Office Suite and general technical aptitude
• Comfortable working independently for extended periods; highly self-sufficient
• Experience with payroll systems (e.g., ADP) preferred but not required
• Paralegal experience or legal knowledge is a plus
• Familiarity with shared drives and basic troubleshooting of office technology
• Casual yet professional office setting (jeans acceptable with a neat presentation)
• Older office infrastructure; must be comfortable working in a non-modern office environment
• Friendly, collaborative team with long employee tenure
• Hands-on training provided, including in-person guidance and tutorials

• Employer-paid medical coverage

Monday - Friday (8:00AM - 5:00PM)