Administrative Assistant Billing and Accounts

We are a local, family-owned company that works directly with construction companies to ensure their hauling needs are met. We are committed to delivering reliable and dependable services to our clients while building strong, long-term relationships. We take pride in creating a supportive and respectful work environment where employees are treated like family, and where reliability, organization, and clear communication are valued every day.

Job Description:

We are seeking a proactive and detail oriented Administrative Assistant to support daily office operations and assist with billing and administrative tasks. This role is ideal for someone with 10+ years of experience working in an office environment who is organized, dependable, and comfortable handling general clerical responsibilities.

Job Type:

This is a part-time, in-office position, with strong potential to transition to a full-time schedule based on performance, business needs, and mutual fit.

Schedule & Location Part-Time Schedule:

Monday, Tuesday, Friday — 9:00 AM to 4:00

PM Location:

In office

Location:

San Antonio, TX (Bexar County) Full time employment for this role is defined as 35 hours per week, aligned with standard office hours. Duties & Responsibilities Assist with billing and invoicing using QuickBooks and other accounting software Conduct weekly follow-ups with customers regarding overdue payments via phone and email Perform general office duties including filing, data entry, scanning, and record maintenance Manage front desk responsibilities and a multi-line phone system professionally Respond to billing-related inquiries with professionalism and courtesy Create and maintain spreadsheets and basic reports Proofread invoices, reports, and correspondence for accuracy and clarity Experience & Qualifications 10+ years of experience working in an office setting performing basic/mid level clerical duties Must be bilingual Proficient in Microsoft Excel, including spreadsheet creation and reporting Working knowledge of QuickBooks and Microsoft Office Excellent organizational and time-management skills Professional and confident communication skills when working with customers. Ability to work independently, prioritize tasks, and meet deadlines Extensive AP/AR or accounting experience is not required Ideal Candidate Traits Proactive and self-motivated Takes initiative and anticipates needs Detail-oriented and dependable Strong verbal and written communication skills Professional phone and office presence

Job Type:

Part-time Pay:

$19.00 - $25.00 per hour Application Question(s): Are you comfortable contacting customers by phone and email regarding overdue invoices? This position is part-time, Monday, Tuesday, and Friday from 9:00 AM-4:00 PM. Are you able to commit to this schedule?

Experience:

Clerical:

10 years (Preferred)

Language:

Spanish (Required)

Work Location:

In person