Usama Israr

VoIP Support Engineer and Linux Operations Professional with experience in Asterisk PBX, Vicidial, SIP/RTP troubleshooting, Linux administration, and VoIP infrastructure support. Skilled in PJSIP configuration, MicroSIP, Zoiper, monitoring tools, and frontend development technologies.

VoIP Support Engineer - Sybrid Pvt Ltd

(2025-01)

• Troubleshooting SIP/RTP issues and call connectivity problems.
• Working with Vicidial and Asterisk PBX environments.
• Monitoring Linux services, logs, and VoIP infrastructure.
• Managing users, operations, and backend monitoring.

Frontend Developer Intern - 99 Technologies

(2024-07 - 2024-10)

• Developed interfaces using React.js.
• Worked with HTML, CSS, JavaScript, Node.js, MySQL, and REST APIs.

Bachelor of Computer Science - BSCS - University of Swabi (2018 - 2022)