Position: Middle/Senior VoIP Engineer
Company: Argument
Category: Sysadmin
Experience required: 1y
English level: intermediate

**Technical qualifications:**
• At least 1 year, proven knowledge of VoIP technologies (problem troubleshooting, trunking, VOIP system installation/configuration, dial plans, working with logs and traces).
• Working experience with Microsoft Windows environment and Linux
• Knowledge and experience of computer networking, SIP and other VOIP protocols.
• Excellent problem investigation and solving skills
• Ability to work under pressure and be multitasking
• Intermediate English

**As a plus:**
• Skills in scripting languages (Bash, Python)
• Experience with monitoring systems (Zabbix, Nagios, etc)

**We offer:**
• Team of strong IT professionals working in a dynamic start-up environment
• The great chance to gain experience by communication with professionals
• Big amount of knowledge-sharing practices and sessions
• Centrally located office near metro station
• Competitive salary, reasonable and fair working conditions, flexible schedule

**Responsibilities:**
• Managing large amount of a DID numbers: removing, adding and accounting
• Managing client’s requests (helpdesk)
• Prioritize and resolve trouble/request tickets, including escalation of urgent issues to the higher level team.
• Maintaining and installing VoIP hardware, such as telephone devices, and softphones (Zoiper, Jitsi etc)