Senior VoIP engineer

We are looking for an experienced Senior VoIP Engineer to join our team and take a leading role in designing, operating, and optimizing carrier-grade telephony infrastructure.

This position offers the opportunity to work on next-generation VoIP architecture, drive innovation, and ensure world-class reliability and call quality for millions of users.

Responsibilities:

• Review and optimize network design and configurations, providing recommendations to enhance functionality, reliability, and performance.
  
• Participate withEngineering teams to define and implement next-generation VoIP architecture and scaling strategies.
  
• Design, deploy, and manage high-availability (HA) carrier configurations in collaboration with carriers and internal VoIP components.
  
• Forecast capacity needs, perform failover modeling, and contribute to scaling initiatives.
  
• Diagnose and resolve complex service issues related to VoIP telephony platforms and applications.
  
• Proactively monitor and ensure call quality, reliability, and service continuity across the telephony infrastructure.
  
• Plan and implement network and infrastructure changes following best practices and change management processes.
  
• Develop and maintain operational documentation, runbooks, and procedures.
  
• Lead device deployments, software upgrades, and patch management for VoIP systems.
  
• Collaborate with cross-functional teams to address and resolve persistent issues
  
• Participate in a rotating on-call support schedule.

Qualifications:

• 5+ years of technical operations experience in carrier-grade or service provider networks.
  
• Deep understanding of Session Border Controllers (SBCs) – ideally Sonus/Ribbon, though knowledge of other vendors is highly valued.
  
• Strong Linux/Unix Server expertise and experience with related subsystems.
  
• Proficiency in scripting for automation and troubleshooting.
  
• Advanced knowledge of SIP, RTP, RTCP and related VoIP protocols.
  
• Hands-on experience capturing and analyzing SIP and RTP traces to troubleshoot and resolve issues.
  
• Strong understanding of MOS, jitter, delay, packet loss, and their impact on call quality.
  
• Excellent problem-solving skills with the ability to handle complex technical challenges.
  
• Clear and professional verbal and written communication skills.

We offer:

• Well-coordinated professional team
• Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth
• Additional Health and Life Insurance Package
• Employee Assistance Program
• 25 vacation days
• ReBenefit Platform Account.
• This role requires office work format.