- Manage VoIP system: setup, configure, write call dial plan, optimize call quality.
- Manage network infrastructure, cloud system, VPN, DNS, PBX system.
- Deploy web management for VoIP system, develop VoIP billing system.
- Deploy and operate (webserver / askterisk / freeswitch).
- Analytic risk and solution for security.
- Develop VoIP applications such as audio/video conference apps based on open sources.
- Deploy VoIP IP PBX system for customer and build retail/wholesales VoIP provider system.
- Have good understanding of Linux (Ubuntu / Centos)
- Have good understanding of TCP/IP
- Have knowledge of VoIP system like Asterisk or Freeswitch is a plus.
- Understand about SIP protocol or XMPP protocol
- Proficient in C programming or any language
- Fluent in English
- An excellent working environment in developing tomorrow’s features
- Continuing development of technical and soft skills through work and formal training
- Open and honest culture where people are valued, treated fairly, trusted and empowered
- Attractive, competitive salary and incentives
- Health Insurance, HTK Insurance
- Extra 24/7 Health and Accident Insurance
- Company’s labor policy completely pursuant to Vietnamese labor legislation plus other benefits offered by the company (Company trips, Team building etc.)
- Bonus based on performance and effectiveness
- Annually company health check up
- Company dinner
- English class
- 6-month Performance Appraisal (PA)