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Jobs / Pin-Up Global / Engineer (VoIP)
Posted 2026-05-21

Engineer (VoIP)

Description

This is an exciting and challenging job in a fast-growing business group, offering the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more. A great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed. Beautiful offices are available in Warsaw, Limassol, and Yerevan, with the option to work remotely or on-site with comfort. You will have the opportunity to build a network of connections with professionals day by day. Modern corporate equipment based on macOS or Windows and additional equipment are provided.

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
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 technical communication level
  • Knowledge of Databases (MySQL/PostgreSQL) for CDR analysis
  • Experience with cloud platforms (AWS, GCP, Azure)
  • Experience with monitoring systems (Grafana, Prometheus, Homer)
  • Experience with Kamailio
Benefits
  • Paid vacations, sick leave, personal events days, days off
  • Corporate health insurance program for your well-being
  • Referral program
  • 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
  • Yoga classes to help you stay active and energized
  • In-house Travel Service
  • Multiple internal activities: online platform for employees with quests, gamification, presents and news, RedCore clubs for movie / book / pets lovers, special office days dedicated to holidays
  • Company events, team buildings
About Pin-Up Global

PIN-UP Global is an international holding specializing in the development and implementation of advanced technologies, B2B solutions, and innovative products for the iGaming industry.

Read more about Pin-Up Global →