Senior Telecom Engineer (with Ribbon Experience)

Join Miratech in revolutionizing customer experiences with our client, a global leader in cloud contact center software. Together, we bring the power of cloud innovation to enterprises worldwide, empowering businesses to deliver seamless, personalized, and joyful customer interactions. The Voice Client team at Miratech plays a critical role in delivering high-quality voice call capabilities for advanced call and contact center solutions. Our team is dedicated to providing seamless connectivity, crystal-clear audio, and superior reliability to enhance customer engagement. Through our work, we directly influence the experience of millions of users globally, making voice communication smarter, faster, and more resilient. As a Senior Telecom Engineer at Miratech, you will play a vital role in delivering high-quality voice call capabilities for advanced call and contact center solutions. In this position, you will serve as the technical expert responsible for designing, deploying, and maintaining our client's global voice infrastructure. Your expertise in VoIP/SIP technologies, telecom carrier connectivity, and Ribbon (Sonus) SBCs will be crucial in troubleshooting complex network issues and ensuring seamless voice communication for users worldwide. Responsibilities: - Collaborate with customer telecom and IT teams to deploy customized solutions and troubleshoot issues. - Build and maintain SIP Trunk connectivity with customers and carriers, including interop sessions and activations. - Provide operational support for the telecom network, analyze incidents, and implement preventive measures. - Serve as an escalation point for critical alerts from SBCs and deliver root-cause analyses for outages. - Manage telecom service providers and vendors, and oversee hardware/software deployments and new service rollouts. - Develop testing plans, create technical documentation, and maintain SOPs for recurring tasks. - Mentor junior engineers in troubleshooting and managing complex service issues. - Understand product capabilities, limitations, and contribute to continuous improvements. Qualifications: - 5+ years of telecom engineer experience with VoIP/SIP voice applications. - Strong knowledge of voice/data communications (SIP, TCP/IP, MPLS), VoIP protocols (H.248, G.711, G.729, WebRTC), and security (TLS, IPSEC, ACLs). - High level knowledge of VoIP principles, protocols and CODECs such as H.248, SIP, G.711, G.729, WebRTC, MPLS, VPN, UDP, RTP, MTP etc. - Experience with international routing (ITFS, iDID) and telephony design for high availability (99.99% SLA). - Hands-on experience with Softswitches, SBCs (Sonus/Ribbon, AudioCodes), SIP proxies, and media servers (AudioCodes IPM-6310, FreeSWITCH). - Skilled in Wireshark, Empirix, and RTP stream analysis (MOS, Jitter, Latency, Packet Loss). - Ability to design, troubleshoot, and maintain complex global voice networks. - Strong organizational skills and experience implementing telecom architecture changes in lab and production. Join us at Miratech and be part of an unstoppable technology development team with a 99% project success rate and over 30% year-over-year revenue growth. Enjoy the flexibility of remote work, professional development opportunities, impactful projects for top global clients, and a welcoming multicultural environment focused on sustainability and inclusion.,