Office Administrator – Billing

Office Administrator – Billing (Sage / Construction / Service Industry)

Miami, FL (Near 33183 – South Miami Area)

$18–$22/hour | Full-Time

Position Overview
We are seeking a detail-oriented Office Administrator with strong billing experience to support operations within a fast-paced service-based business.
This role requires someone comfortable handling invoicing, financial tracking, and customer communication, while coordinating closely with internal teams and field staff.

Key Responsibilities

• Generate and manage invoices, billing records, and payment tracking

• Verify billing accuracy and resolve discrepancies

• Communicate with customers regarding invoices, payments, and service updates

• Coordinate with internal teams to track job progress and completion

• Maintain accurate financial and operational records

• Support general office administration and workflow organization

Qualifications

• Experience with Sage 300, Sage Timberline, QuickBooks, or similar accounting systems

• 2 years of experience in billing, accounts receivable, or administrative roles

• Strong attention to detail and accuracy with financial data

• Excellent written and verbal communication skills

• Experience in construction, HVAC, or service-based companies strongly preferred

• Ability to thrive in a fast-paced, hands-on environment

Preferred

• Bilingual (English/Spanish)

• Experience working with technicians, vendors, or service teams

MOHR Talent is an equal-opportunity employer and complies with all applicable federal, state, and local nondiscrimination laws. We provide equal employment opportunities regardless of race, color, religion, sex, national origin, age, disability, marital status, sexual orientation, gender identity, genetic information, military/veteran status, or any other protected status. If you believe you have been discriminated against or have concerns about our compliance, please contact our Human Resources department at hr@themohrgrp.com