Job Summary

We are seeking an experienced System Administrator with 6–8 years of experience to manage, support, and optimize telecom interconnect systems including ZIRA WBRM Interconnect and ZIRA e-Invoicing solutions. The ideal candidate will ensure smooth operations of interconnect billing, settlements, reconciliations, and compliance processes across multiple operators.

Key Responsibilities

- Administer, monitor, and maintain ZIRA WBRM Interconnect and ZIRA e-Invoicing systems.
- Ensure high availability, performance, and reliability of interconnect applications.
- Support interconnect billing processes, including call detail record (CDR) processing, rating, and settlements.
- Handle reconciliations and dispute resolution between operators for interconnect traffic.
- Monitor and manage traffic routing, tariff updates, and partner configurations in the interconnect systems.
- Manage e-Invoice generation, validation, and regulatory compliance using ZIRA e-Invoicing platform.
- Implement system upgrades, patches, and configuration changes while minimizing downtime.
- Maintain system users, roles, and permissions according to security and audit policies.
- Troubleshoot application, OS, and database issues and provide timely resolutions.
- Maintain and update documentation, runbooks, SOPs, and knowledge base articles.
- Collaborate with network, billing, finance, and partner teams to ensure smooth interconnect operations.
- Participate in capacity planning, performance tuning, and disaster recovery exercises.




- Automate recurring operational tasks using scripting tools like Shell, Python, or Perl.
- Coordinate with vendors and service providers for system support, issue resolution, and upgrades.
- Generate reports and dashboards for interconnect usage, billing accuracy, and e-Invoice compliance.

Required Skills & Qualifications:
- Experience: 6–8 years in system administration in the telecom domain.
- Application Expertise: Hands-on experience with ZIRA WBRM Interconnect and ZIRA e-Invoicing solutions.
- Telecom Knowledge: Robust understanding of interconnect processes, billing, settlement, reconciliation, routing, and tariffs.
- Operating Systems: Expert in Linux/Unix administration; Windows knowledge is a plus.
- Databases: Experience with Oracle / SQL Server / MySQL (installation, tuning, backup/restore).
- Networking: Knowledge of TCP/IP, DNS, routing, firewall rules in telecom context.
- Scripting/Automation: Proficiency in Shell, Python, or other scripting languages.
- Problem-Solving: Strong troubleshooting and root-cause analysis skills.
- Documentation: Ability to maintain clear SOPs, runbooks, and knowledge bases.
- Soft Skills: Good communication, collaboration, and ability to work under pressure.

Preferred Qualifications

- Exposure to batch processing, job schedulers (Control-M, Autosys), and monitoring tools.
- Understanding of telecom regulatory and compliance requirements for interconnect and e-Invoicing.
- Experience in multi-operator interconnect environments.
- Knowledge of partner integration, CDR formats, and settlement dispute handling.

📌 System Administrator (Bengaluru)
🏢 Mobily
📍 Bengaluru