Job Description
Job Title: Billing Administrator
Employment Type: Fixed-term contract (6 months)
Location: Johannesburg (Westrand)
Client: A leading telecommunications giant
Reports to: Supervisor: Billing Operations
Start Date: 1st week of October 2026
Purpose of the Role
To ensure the accurate and timely delivery of bills to customers and the employee base by supporting the billing systems, data integrity and query resolution. The role resolves billing queries and adjustments within agreed timelines and takes corrective action so that issues do not recur.
Key Responsibilities
Bill Run Process Management
- Monitor and manage end-to-end bill run activities in line with billing schedules, and track progress with regular stakeholder updates.
- Issue daily bill freeze communications during bill run periods.
- Perform QA checks on production invoices and validate them against the billing system data.
- Review billing and variance reports, investigate discrepancies and explain significant billing fluctuations.
- Log and track billing defects with IS Support through to resolution.
- Liaise with printing vendors on sample invoice availability and verification.
- Obtain the required approvals and sign-offs from Billing Management and Bill Run Supervisors.
- Ensure all billing controls, validations and reconciliations are completed.
Billing Management
- Assist with end-to-end bill runs across online and mobile platforms.
- Manage and resolve billing queries within agreed turnaround times.
- Manage daily fixes of system integration failures, validate reports to identify failure patterns, and raise incident reports with stakeholders until a permanent fix is in place.
- Assist with system data clean-up to maintain data integrity and compliance.
- Provide input on monthly variance reports.
Query Management
- Perform detailed root cause analysis on billing adjustments, and prepare adjustments for review and approval.
- Manage the query logging systems and daily queues so that queries are resolved within agreed SLAs/OLAs, with feedback to the initiator.
- Prepare account reconciliations for internal and external customers.
- Attend customer meetings and give timely feedback on queries.
Quality Control
- Perform daily QA checks on key reports: Top 25, activations unbilled, upgrade unbilled, unbilled, and cycle mismatch.
- Log ServiceNow (SNOW) tickets and coordinate with IS System Support.
- Check migrations, activations, deactivations, prorates, upgrades and service changes.
- Quality-check PDFs generated after bill runs, and escalate or resolve problems.
- Support quality checks on bill run data before authorising suppliers to print and mail, and at the supplier throughout the process.
- Work according to predefined standard operating procedures.
Month-End Procedures
- Prepare and run monthly customer statements and save them as PDFs.
- Distribute PDF invoices and statements according to contractual requirements.
- Prepare monthly provisions and accruals.
- Ensure all billing transactions are completed before month-end close.
- Deliver and analyse TNETs and invoices for customers.
- Resolve Remedy/SNOW tickets and escalations.
- Participate in regression testing, system changes and new product billing validations.
- Manage customer and internal user access to the customer portal.
Product and System Changes
- Update and manage packages and system changes according to business unit guidelines.
- Liaise with the products and services team so that product configuration is correct and system changes are actioned on time.
Stakeholder Relationships
- Collaborate with Assurance, Onboarding, Revenue Assurance and Account Management teams.
- Take a proactive approach to preventing problems, and drive continuous improvement in service delivery.
Requirements
- Degree or Diploma in Finance, Accounting or a related field.
- Minimum of 2 years' billing or related experience, ideally in a large organisation and in a dynamic, fast-moving industry.
- Fluent in English.
- Strong analytical, reconciliation and root cause analysis skills.
- Attention to detail and the ability to work to deadlines and SOPs.
- Good communication and stakeholder management skills.