Administrative & Billing Coordinator- EST Hrs

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.

Benefits