BSS Charging & Billing Expert

Maxis; Kuala Lumpur; On-site; MYR 100,000 - 150,000; Full time

Job summary

A leading telecommunications company in Kuala Lumpur is looking for a Telco BSS Charging & Billing Specialist. This role involves supporting the configuration and operation of charging and billing platforms, troubleshooting issues, and collaborating with Core Network teams. The ideal candidate will have a minimum of 5 years of experience in Telco BSS, excellent troubleshooting skills, and familiarity with online charging workflows. Join a diverse and innovative team that values your contributions!

Qualifications

• 5+ years of hands-on experience in Telco BSS, charging, or billing systems.
• Familiarity with mediation or billing workflows.
• Basic understanding of Core Network elements and interfaces.

Responsibilities

• Support and configure Online Charging System (OCS) and Billing platforms.
• Handle operational tasks, including charging configurations.
• Troubleshoot charging and billing issues across prepaid/postpaid flows.
• Work with Core Network teams for integration and testing.

Skills

Telco BSS experience

Troubleshooting skills

Communication skills

SQL knowledge

Familiarity with OCS/OCF

Basic automation skills

Tools

Online Charging System (OCS)

Billing platforms

Job description

Are you ready to get ahead in your career?

• We want to empower you to turn your ambitions into achievements.
• We thrive in inclusiveness, diversity and embrace close collaborations for you to create impact for yourself and others.
• Together, we aim to bring the best of technology to help people, businesses and the nation to be ahead in a changing world.
• To realise our vision to become Malaysia’s leading converged solutions company, we are looking for a new talent to innovate and grow with us in a culture that values commitment, performance and possibilities.

Why does this job exist and why is it critical?

We are looking for a Telco BSS Charging & Billing Specialist to support our charging, billing, and core network-related activities. The role involves day-to-day configuration, troubleshooting, integration support, and assisting with new product and feature rollouts across the BSS/charging ecosystem.

Responsibilities

• Support and configure Online Charging System (OCS) and Billing platforms.
• Handle day-to-day operational tasks: charging configurations, subscriber provisioning checks, and rating validations.
• Troubleshoot charging, billing, and usage-related issues across prepaid/postpaid flows.
• Work with Core Network teams (e.g., PCRF/PCF, HLR/HSS/UDM, IMS, GGSN/PGW/SMF) for integration and end-to-end service testing.
• Support new product launches, tariff changes, and system enhancements.
• Assist in change requests, regression testing, and production deployment activities.
• Analyse logs, traces, and usage records to resolve service-impacting issues.
• Coordinate with vendors and internal teams to ensure smooth operations and timely resolution of incidents.

Qualifications

• Minimum 5 years of hands‑on experience in Telco BSS, Charging, or Billing systems.
• Familiarity with Online Charging (OCS/OCF) and mediation or billing workflows.
• Basic understanding of Core Network elements and interfaces (Gy, Gx, Diameter, SIP, etc.).
• Strong troubleshooting skills in end‑to‑end mobile data, voice, and SMS flows.
• Ability to interpret logs, traces, and usage records.
• Good communication and coordination skills with cross‑functional teams.
• Experience with cloud‑based charging/billing or containerised deployments.
• Knowledge of SQL, scripting, or basic automation for analysis.

Next Steps

• Once you’ve applied online, our team will carefully review your application. Due to a high volume of applications, we appreciate your patience to allow for a fair and timely review process.
• Should you be shortlisted for the role, we will send you an invitation via email for a digital interview. You can also check on your application status by logging into your candidate account.

Maxis values diverse voices & people. We hire and reward our employees based on capability & performance — regardless of ethnicity, gender, age, education, religion, nationality or physical ability.