Job
Description
Company Description ThreatXIntel is a startup cyber security company that offers customized, affordable solutions to protect businesses and organizations from cyber threats. With a proactive approach to security, our team continuously monitors and tests clients' digital environments to identify vulnerabilities before they can be exploited. We provide reliable, cost-effective services to give clients peace of mind and allow them to focus on growing their business. Role Description We are seeking a Freelance Voice SIP Engineer with mid-level experience to support and optimize Voice Transport and Contact Center Voice Infrastructure . The ideal candidate will be hands-on in maintaining VoIP/SIP environments, troubleshooting complex call flows, and enhancing the reliability and scalability of a large enterprise-grade Contact Center ecosystem. This role requires deep experience with Oracle Session Border Controllers , SIP call flow analysis , VoIP technologies , and scripting for infrastructure automation. Key Responsibilities Design, configure, and maintain scalable voice infrastructure , including Oracle SBCs , SIP routers, and session management systems Analyze and troubleshoot complex SIP call flows using tools like Wireshark, NetScout, Observer, or EOM Support voice transport infrastructure and integration of Contact Center platforms Implement automation in CI/CD pipelines for infrastructure provisioning and monitoring Ensure voice systems comply with availability, security, and performance SLAs Identify and escalate risks tied to infrastructure, ensuring compliance with policies Collaborate cross-functionally to enhance system performance and customer call delivery Required Skills & Experience 4+ years of hands-on experience with: Oracle Session Border Controllers (session routing, registration, transport) VoIP/SIP infrastructure in large Contact Center environments Session Management Systems and voice troubleshooting Deep knowledge of SIP protocols and packet flow analysis Strong with packet tracing tools: Wireshark , NetScout , Observer , EOM Scripting skills in Python , PowerShell , or JavaScript Solid understanding of infrastructure-as-code and basic cloud technologies Ability to design, maintain, and automate scalable IT voice systems Nice to Have Experience with Voice Integration in Cloud Environments (e.g., AWS Connect, Genesys Cloud, etc.) Exposure to CI/CD practices and version-controlled infrastructure deployment Understanding of risk and compliance frameworks in IT/Telecom Show more Show less
