Position: DevOps with Asterisk, Communications Services
Company: DataArt
Experience required: 3y
English level: intermediate

**About the vacancy
**
Our client is a global provider of testing, analytics, and security solutions for the telecommunications sector.

DataArt’s specialists are helping to develop an analytical solution which tracks transactions that determine the quality of customer experience with network service providers (QoE). From these transactions, key indicators are displayed, such as radio frequency performance, base signal speed, and service performance (VoLTE, SMS). All metrics are combined into the final QoE estimates, which are used to determine hot spots and help localize and solve service quality problems.

**Responsibilities**
- Configuration of existing solutions based on Asterisk for the needs of the customer
- Configuration of SIP TLS connections
- Integrate Asterisk with a database (MySQL, MSSQL) with knowledge of queries and stored procedures

**Must have**
- Expert in Asterisk installation, configuration, and troubleshooting
- Knowledge of multi-asterisk server architecture
- Knowledge of SIP, RTP, and TDM protocols
- Experienced with Linux (LAMP) servers (Ubuntu, Apache, MySQL, PHP)
- Good English

**Would be a plus**
- Knowledge of PHP, C/C++
- Understanding how codecs work and how they differ