Voip Engineer in Bahnhof AB (Publ)

Responsibilitiesmaintenance and development of SIP core networkdevelopment of new telephony clustersidentifying and fixing of problems/bugs in telephony systemsdevelopment of an attendant functionality (billing / accounting / etc.) Scope of the positionFull-time, starting with 6 months probationary employment.Good knowledge of signaling and media protocols SIP, SDP, RTP / RTCPExperience with SIP architecture: SBC, B2BUA. Routing, Accounting, CDRExperience with linux based server environmentSER: OpenSIPs, KamailioRTP: RTPproxy, RTPEngineAsterisk: B2B user agents, Media Proxy servers. Voice mailing, IVRDatabase: MySQL, PostgreSQL, RedisLogging: heplify, HEP, Homer, Grafana + PrometheusMonitoring: NRPE agent, NagiosExperience of programming in Python would be a plusExperience in troubleshooting SIP / SDP / RTP related issuesKnowledge of IP networking (TCP/IP stack) would be a plusExperience in building and managing systems within existing SIP core environment.Experience in programming in C or Ruby on Rails would be a plus.Fluent oral and written english is a must Show more Show less Посадовий рівень Базовий рівень Тип зайнятості Повний робочий день Посадові обов’язки Інженерія і Інформаційні технології Галузі Телекомунікації