VoIP/PBX Administrator

Location: On-site / Remote

Experience: 2–5 Years

CTC*: ₹6 LPA 

*Final salary will be determined based on the candidate’s current CTC, experience, skills, and overall eligibility. Salary growth is generally expected within 10–15% of the candidate’s previous CTC, subject to evaluation.

Job Summary

We are seeking a skilled VoIP/PBX Administrator to manage and maintain Linux-based telephony systems for our BPO/call center operations. The candidate will be responsible for configuring PBX systems, IVR menus, SIP trunks, call routing, voice recordings, and ensuring high availability of voice services.

Key Responsibilities

· Install, configure, and maintain Linux servers.

· Deploy and manage PBX systems such as Asterisk, FreePBX, and VICIdial.

· Configure SIP trunks, extensions, DID numbers, and call routing.

· Create and manage IVR menus, voice prompts, ring groups, and call queues.

· Configure inbound and outbound calling campaigns.

· Monitor call quality and troubleshoot SIP, RTP, and network-related issues.

· Manage call recordings, backups, and system updates.

· Implement PBX security, firewall rules, and access controls.

· Generate call reports and support operational teams.

· Coordinate with telecom providers for SIP connectivity and issue resolution.

· Maintain system documentation and standard operating procedures.

Required Skills

· Strong knowledge of Linux (Ubuntu/CentOS/Debian).

· Hands-on experience with Asterisk, FreePBX, or VICIdial.

· Good understanding of SIP, RTP, VoIP protocols, and telephony concepts.

· Experience with IVR creation and call flow design.

· Knowledge of networking concepts (TCP/IP, NAT, DNS, VPN, Firewall).

· Experience with MySQL/MariaDB databases.

· Basic shell scripting and server troubleshooting skills.

Preferred Qualifications

· Bachelor's degree in Computer Science, IT, or related field.

· Certifications in Linux, VoIP, or Networking are a plus.

· Experience in BPO or call center environments.

Experience

· Minimum 2 years of experience in Linux and VoIP/PBX administration.

· Experience supporting call center operations is preferred.

Key Deliverables

· 99.9% PBX uptime.

· Smooth IVR and call routing operations.

· Timely issue resolution and performance monitoring.

· Secure and reliable telephony infrastructure.