# Billing Specialist - EST Working Hrs (Remote)

> ISTA Personnel Solutions · South Africa (Remote) · Full-time · Posted 2026-05-11

**Workplace:** remote

**Department:** SA - Operations

## Description

ISTA Personnel Solutions is a fast-growing, global BPO company. We are not a recruitment agency — we operate as a dedicated extension of our U.S.-based clients' teams, delivering high-quality operational support with precision, efficiency, and professionalism.

Our client provides ABA (Applied Behaviour Analysis) therapy services and is seeking a highly organised and detail-oriented **Billing Specialist** with experience handling U.S. insurance claims, remits, denials, and billing follow-up. Prior ABA billing experience is highly advantageous. The ideal candidate is a quick learner, able to work efficiently across multiple insurance portals and manage claims resolution in a fast-paced environment.

**Please Note:**

-   **Working Hours:** Monday – Friday | 9:00 AM – 6:00 PM EST _(3:00 PM – 12:00 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. Connections via Rain, LTE, 5G, or similar are not acceptable. Applicants without a fixed fibre line will not be considered.
-   **Power Backup:** A reliable backup solution is required to manage load shedding and outages (UPS, inverter, solar, etc.). Applicants without a reliable backup solution will not be considered.
-   **Work Environment:** Fully remote.

### Key responsibilities

-   Submit and manage USA insurance claims accurately and timeously.
-   Follow up on unpaid, denied, or rejected claims.
-   Work with insurance remits/EOBs and payment postings.
-   Investigate and resolve billing discrepancies.
-   Communicate with insurance companies regarding claims and denials.
-   Maintain accurate billing records and documentation.
-   Ensure payer requirements and authorisation guidelines are followed.
-   Work across multiple insurance portals and systems.
-   Escalate unresolved billing issues where necessary.
-   Assist with revenue cycle and claims management processes.

## Requirements

-   Previous experience in medical billing, insurance claims, or revenue cycle management.
-   Experience handling claims, remits, denials, and insurance follow-ups.
-   Strong administrative and organisational skills.
-   Excellent attention to detail.
-   Ability to multitask in a fast-paced environment.
-   Strong problem-solving skills.
-   Excellent English communication skills (written and verbal).
-   Proficient in Microsoft Office (Word, Excel, Outlook).

### Highly advantageous

-   ABA billing experience.
-   Experience supporting U.S.-based healthcare companies.
-   Familiarity with U.S. insurance terminology and payer processes.
-   Experience with Medicaid and commercial insurance claims.
-   Experience working with behavioural health or therapy billing.
-   Experience with billing platforms such as CentralReach, Kareo, AdvancedMD, or Tebra.

If you have not been contacted within 14 working days, please consider your application unsuccessful.

## Apply

[Apply at ISTA Personnel Solutions](https://apply.workable.com/ista-2/j/C65FCC87F5/apply)

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