Senior VoIP Engineer

🕒 May 24

🇮🇱 Israel – Remote

💵 €5k / month

⏳ Contract/Temporary

🟠 Senior

👷🏻‍♀️ Engineer

👻 Ghost score 36%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Synergy Beam Solutions

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2017

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Synergy Beam Solutions is an IT services and solutions firm that designs, implements, integrates, and maintains business information systems for SMBs and enterprises. The company provides IP telephony and call center platforms, data center consulting, cloud architecture and migration, business continuity planning, and cybersecurity consulting, offering custom-tailored, long-term B2B engagements.

📋 Description

• Lead the design and maintenance of mission-critical, real-time voice systems • Ensure unparalleled reliability, scalability, and security while enhancing voice quality and observability across our global cloud infrastructure • Design, develop, and maintain high-performance SIP and RTP-based VoIP systems • Utilize expert-level skills to diagnose and resolve complex routing, codec, and signaling issues • Proactively optimize network performance across critical protocols • Integrate, support, and ensure seamless interoperability between PBX systems, SBCs, and modern cloud VoIP environments • Define, monitor, and aggressively improve call quality metrics through proactive performance tuning • Lead the technical architecture and deployment of advanced voice applications • Act as the final point of technical escalation for intricate VoIP incidents.

🎯 Requirements

• 6+ years in software engineering, with a minimum of 4 years dedicated to VoIP/SIP development • Deep, hands-on experience with core VoIP infrastructure components, specifically Freeswitch and Kamailio • Proficiency in scripting and development with Lua and Python • Expert-level command of network protocols and advanced debugging tools (Wireshark, SIPp, libpcap, Linux/BSD sockets) • Practical experience with WebRTC, configuring and managing TURN/STUN servers, and deploying solutions on major cloud platforms (AWS, Google Cloud, Cloudflare) • Understanding of traditional telecom hardware, including GSM, E1 gateways, and serial-connected devices • Proven track record in building highly scalable systems and implementing effective automated testing frameworks. • Hands-on knowledge of call flow simulation tools and SIP testing frameworks (Nice-to-Have) • Experience designing and implementing RESTful APIs and scalable microservices (Nice-to-Have) • Familiarity with global network routing principles and optimization techniques (Nice-to-Have) • Experience with embedded systems or SIP hardware devices (Nice-to-Have) • Background in implementing AI/ML-driven features within VoIP solutions (Nice-to-Have).