Senior VoIP Engineer

Relocatiom | France or Spain | full-time

Diabolocom

Job description

We are looking for a Senior VoIP Engineer to join our multicultural infrastructure team of 10+ engineers in order to cover Voice infrastructure operations at the heart of the Diabolocom service. Infrastructure team participates in the design, deployment and operational maintenance of our international VoIP network that serves enterprise customers in more than 60 countries.

At Diabolocom, you will have the following main missions:

• Designing and building the voice network to increase performance (high availability, low latency) and automation (service delivery, testing, etc.)
• Designing and managing our SIP interconnections with operators around the world making sure all of them are redundant, well balanced and have capacity margin
• Voice reachability and quality monitoring and troubleshooting
• Development of internal tools to automate common tasks and provide interfaces for other teams to make them autonomous

What we are looking for:

• You are curious, passionate about technology, expert in VoIP, and always a source of proposals with commitment to drive them to completion
• You are on the lookout for new technologies and are always ready to learn new things
• You have an appetite to optimize and automate systems
• You have the security of the infrastructure in mind
• You are fluent in English, both written and spoken (our main working language)
• You have excellent interpersonal skills and are not afraid to solve problems :)
• You are driven by data and always try to back your hypothesis and ideas by the real data applicable for the case

You master most of the following technologies and methods:

• VoIP protocols (SIP, (S)RTP, WebRTC)
• Analysis and investigation (metrics, logs, traces)
• Shell, Python, Golang scripting
• Automation (Ansible)
• Monitoring (netdata, prometheus stack, grafana)
• Open Source Software: Kamailio, Freeswitch

Сurrent stack: freeswitch, kamailio, Oracle SBC, openSIPS, Asterisk, HEPIC/HOMER.

What’s in it for you:

• We offer a multicultural environment with teams in 8 countries across Europe, the USA and the UAE (and expanding)
• We operate in a fast paced and technically demanding (real time, high load) cloud sector mixing application services and telecom
• We are at a pivotal stage in our development with a significant acceleration of our growth
• We offer opportunities to learn and grow
• Great work atmosphere and regular company events: barbecues, team buildings…

Recruitment process:

• Intro call with a recruiter
• Tech interview with the VoIP team
• Interview with Sergey, our CTO
• Call with David, our COO, and the Ops Team (to meet your future colleagues)

Contacts: anna.miroshnichenko@diabolocom.com