SIP

Role & responsibilities

Role Summary We are looking for a Senior VoIP Engineer to lead the development and optimization of our core communication infrastructure. This is a high-impact role requiring a deep technical foundation in session signaling and media handling. You will be responsible for the architecture and stability of our voice services, ensuring high-performance connectivity through expert-level management of SIP protocols and gateway technologies.

Core Technical Expertise The ideal candidate brings a decade of specialized experience in Voice, VoIP, and SIP protocols. You should possess an authoritative understanding of SIP Stack development and a proven track record of managing SIP Media Gateways and Session Border Controllers (SBCs). Your background must include at least 5 to 10 years of hands-on experience in these areas, specifically focusing on session management, call routing, and protocol security.

Development & Environment Beyond protocol expertise, this role requires strong systems-level programming skills. You will spend a significant portion of your time working within a Linux environment, utilizing C/C++ to develop and maintain low-level voice applications. We require 2 to 5 years of professional experience in C/C++ programming and Linux systems administration to ensure our software is both scalable and robust.

Key Responsibilities

• Architect and refine SIP Stacks to support complex signaling requirements.
• Deploy and tune Session Border Controllers and Media Gateways to ensure secure, high-quality voice transmission.
• Develop high-efficiency code in C/C++ for real-time communication systems.
• Diagnose and resolve intricate network issues related to SIP signaling and media flow.
• Optimize system performance within Linux-based infrastructures to meet demanding service-level agreements.