Overview

Administrative Assistant Jobs in Rancho Cucamonga, CA at Ultimate Staffing

Title: Administrative Assistant

Company: Ultimate Staffing

Location: Rancho Cucamonga, CA

Administrative Assistant

General Description

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.

Key Responsibilities

  • 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
  • Coordinate Zoom meetings and support basic technology needs (e.g., browsers, docking stations, shared drives)
  • 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

Preferred Skills and Experience

  • 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

Work Environment

  • 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

Benefits Upon Conversion (Temp-to-Hire)

  • Employer-paid medical coverage

Schedule:

Monday – Friday (8:00AM – 5:00PM)_

Pay Rate

$25.00 – $25.00 Per Hour Based on Experience

Desired Skills and Experience

Administrative Assistant
General Description
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.

Key Responsibilities
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
Coordinate Zoom meetings and support basic technology needs (e.g., browsers, docking stations, shared drives)
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
Preferred Skills and Experience
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

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.

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