# Administrative & Billing Coordinator- EST Hrs (Remote)

> ISTA Personnel Solutions · South Africa (Remote) · Full-time · Posted 2026-06-24

**Workplace:** remote

**Department:** SA - Operations

## Description

ISTA Personnel Solutions is a dynamic and fast-growing BPO company. We are not a recruitment agency - we operate as a dedicated extension of our U.S.-based clients’ teams, delivering high-quality service with precision, efficiency, and a personal touch.

We are seeking a highly organised and detail-oriented **Administrative & Billing Coordinator** to support one of our U.S.-based clients. This role is ideal for someone who thrives in an administrative environment, enjoys working with customers, and takes pride in producing accurate work.

The successful candidate will play a key role in supporting daily office operations, handling incoming calls, processing information from field technicians, and managing billing and invoicing functions. The client places a strong emphasis on character, accountability, and work ethic, and is looking for someone who demonstrates integrity, initiative, and exceptional attention to detail.

**PLEASE NOTE:**

-   **Working Hours:** Monday – Friday | 9:00 AM – 6:00 PM EST (3:00 PM – 00:00 AM South African time - subject to daylight savings).
-   **Public Holidays:** This role requires working on both South African and U.S. public holidays (compensation for SA public holidays in accordance with the BCEA).
-   **Internet Requirements:** A fixed fibre line with a minimum speed of 25 Mbps (upload & download) and wired Ethernet capability is mandatory. Applicants without a fixed fibre line cannot be considered.
-   **Power Backup:** Reliable backup required to manage load shedding or outages. Applicants without a power backup cannot be considered.
-   **Work Environment:** Fully remote.

**Job Responsibilities:**

-   Answer incoming customer and client phone calls professionally and efficiently.
    
-   Create, process, and send invoices accurately and timeously.
    
-   Perform general administrative and secretarial duties.
    
-   Manage billing and invoicing functions with a high degree of accuracy.
    
-   Process information received from field technicians.
    
-   Capture job details accurately within the company system.
    
-   Issue invoices and maintain accurate records.
    
-   Support day-to-day office operations and administrative processes.
    
-   Communicate effectively with customers, clients, and internal stakeholders.
    
-   Identify and address discrepancies or errors proactively.
    
-   Maintain confidentiality and professionalism in all interactions.

## Requirements

-   Previous experience in an administrative, secretarial, office support, or customer service role.
-   Excellent verbal and written English communication skills with a clear and professional accent.
-   Strong attention to detail and commitment to accuracy.
-   Experience with billing, invoicing, or administrative financial tasks.
-   Strong organisational and multitasking abilities.
-   Ability to work independently and take initiative.
-   Excellent problem-solving and critical-thinking skills.
-   High level of accountability, integrity, and honesty.
-   Ability to learn new systems and processes quickly.
-   Reliable, proactive, and self-motivated.
-   Strong work ethic and commitment to producing high-quality work.

_If you are not contacted within 14 working days, please consider your application unsuccessful._

## Apply

[Apply at ISTA Personnel Solutions](https://apply.workable.com/ista-2/j/B725052F14/apply)

---
Powered by [Workable](https://www.workable.com)
