VoIP Engineer in Bahnhof AB

About the Company Bahnhof's customers should be able to easily communicate with each other and the rest of the world via telephone, mobile, chat, online meetings, emails, and future methods that have not yet been invented. To stay on top as an Internet provider, we must provide stable and secure services, develop tomorrow's communication solutions, and be ready to deliver them when the demand arises.

Responsibilities Maintenance and development of the SIP core network Development of new telephony clusters Identifying and fixing problems/bugs in telephony systems Integration with attendant systems (billing/accounting, etc.)

Technology Stack SIP: OpenSIPs, Kamailio, Freeswitch, Asterisk RTP: RTPproxy, RTPEngine 

Database: MySQL, PostgreSQL, Redis

Scope of the Position Full-time, starting with 6 months of probationary employment.

Requirements Good knowledge of signaling and media protocols: SIP, SDP, RTP/RTCP Experience with a Linux-based server environment Experience in troubleshooting SIP/RTP-related issues 

Upper-intermediate English level

Will Be a Plus Experience with OpenSIPs/Kamailio, Freeswitch Experience in building and managing systems within an existing SIP core environment Experience in programming with Python Knowledge of IP networking (TCP/IP stack)