VoIP Engineer

We are looking for a VoIP Engineer to join our teams!

Requirements:
— 2–4 years of hands-on experience with VoIP systems
— Strong knowledge of PJSIP, RTP, SDP, WS/WSS
— Solid hands-on experience with Asterisk: Dialplan logic, PJSIP, WebRTC signaling, ARI applications, and AMI integrations
— Understanding of NAT, firewalls, UDP/TCP, QoS
— Experience with Linux (Debian/CentOS/RHEL)
— Ability to read and analyze Asterisk logs and SIP traces
— Basic scripting skills (Bash; Python is a plus)
— English at the technical communication level
— Knowledge of Databases (MySQL/PostgreSQL) for CDR analysis

Will be plus:
— Experience with cloud platforms (AWS, GCP, Azure)
— Experience with monitoring systems (Grafana, Prometheus, Homer)
— Experience with Kamailio

Responsibilities:
— Configure, maintain, and troubleshoot Asterisk systems
— Support SIP trunks, endpoints, and call routing logic
— Analyze call issues: one-way audio, no audio, call drops, registration problems
— Work with SIP/RTP, codecs, NAT, ICE, STUN/TURN
— Monitor system health and call quality (ASR, ACD, PDD, MOS)
— Analyze CDR / CEL / SIP logs / RTP streams
— Support and expand integration between Asterisk and CRM systems
— Collaborate with telecom providers and vendors
— Participate in incident response and root-cause analysis
— Write and maintain technical documentation
— Integration of new services and technologies with Asterisk

Our benefits to you:

☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location