Тип вакансії: Повна зайнятість

Розташування:

We are looking for a Senior Voice Operations Engineer with strong expertise in Linux infrastructure and VoIP technologies to join a Healthcare product.

You will manage and modernize a large distributed environment that supports telephony services, LAMP applications, Asterisk, FreePBX, and enterprise SIP phones.

RESPONSIBILITIES:
Maintain, secure, and update a distributed Linux infrastructure and its voice services;
Manage SIP phone provisioning, configurations, firmware, and certificates;
Support SIP trunks, call routing, failover, caller ID, and carrier integrations;
Automate fleet management, deployments, and recovery processes;
Monitor production systems, investigate incidents, and eliminate recurring issues;
Troubleshoot Asterisk, FreePBX, SIP, RTP, DTMF, NAT, routing, and audio problems.

REQUIREMENTS:
Senior-level experience with Linux administration in distributed production environments;
Strong production expertise with Asterisk, FreePBX, SIP, RTP, SDP, and IP telephony;
Ability to analyze SIP messages, packet captures, dialplans, and end-to-end call flows;
Solid knowledge of TCP/IP, UDP, DNS, DHCP, NAT, firewalls, VLANs, TLS, and Linux networking;
Experience managing SIP phones, provisioning, firmware, carrier trunks, and number routing;
Strong scripting skills in Bash, Python, or a similar language;
Experience with Git, configuration management, monitoring, and incident response.

WILL BE PLUS:
Experience with Yealink or similar enterprise SIP phones;
Knowledge of Kamailio, OpenSIPS, FreeSWITCH, or session border controllers;
Experience with Puppet or other fleet-management tools;
Experience modernizing legacy Linux, LAMP, Asterisk, or FreePBX environments;
Background in Healthcare or another security-sensitive domain.

MAIN BENEFITS:
Flexible working hours;
25 paid days off and 10 sick/medical leaves;
Additional paid days off for personal events;
Maternity/Paternity leaves;
Medical insurance;
Self-development budget;
Referral bonuses;
Corporate events and gifts;
Speaking Clubs;
PE accounting and support.

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