Billing Administrator - NxaTel

Menlo Park, South Africa Posted on 06/05/2026

Nxatel is a Modern Unified communication platform, for Small and Medium businesses. That allows you to get local numbers from over 10+ African countries to use on any device. It's easy to set-up you just need is 3 minutes and you gain access to the cloud phone system, virtual meetings, team chats and cloud storing all in a secure platform

NxaTel is looking for a mature, detail-oriented, and highly accountable Billing Administrator to join our growing team. This role is critical to ensuring accurate customer billing, collections, payment management, and professional handling of all billing-related customer queries.

The ideal candidate must be able to work under pressure, manage deadlines effectively, and maintain a high level of professionalism while supporting the company's financial operations.

• Process and manage customer billing through Zoho Books and Zoho Billing systems
• Ensure invoices, subscriptions, and billing records are accurate and up to date
• Manage collections and customer payment follow-ups
• Manage and monitor payments through NxaTel payment portals and billing systems
• Reconcile customer payments, debit orders, EFTs, and portal transactions
• Handle billing-related customer support queries via email professionally and timeously
• Monitor overdue accounts and elevate where necessary
• Resolve billing discrepancies and payment allocation issues
• Maintain accurate financial and customer records
• Work closely with Sales, Support, and Service Delivery teams to resolve account-related matters
• Ensure adherence to internal billing and collections processes
• Assist with monthly billing cycles, reporting, and account reconciliations

• Experience in billing, finance administration, collections, or payment processing
• Experience working with Zoho Books, Zoho Billing, payment gateways, or similar accounting systems is advantageous
• Strong communication and professional email etiquette
• Strong collections and payment follow-up ability
• Mature, responsible, and professional
• Ability to work under pressure in a fast-paced operational environment
• Strong attention to detail and accuracy
• Good problem-solving and organisational skills
• Willingness to learn, grow, and contribute to the company long term
• Team player with a strong sense of accountability

• High level of ownership and urgency
• Able to manage difficult customer conversations professionally
• Comfortable working with targets, deadlines, and operational processes
• Positive attitude and growth mindset
• Reliable and dependable under pressure

In-office role based in Johannesburg, South Africa.