Pixie Recruitment Services Limited
27/11/2023
Project-based
We are looking for an engineer with hands on SBC experience with suppliers Ribbon (must) and Metaswitch (very nice plus). Contract: Freelance Location: Europe with occasional travels to Belgium (remote accepted from Europe only) Role and Responsibilities: Lead and contribute to the analysis, design, development and implementation of network solutions and OSS/BSS systems based on business, technical, operational (provisioning, service assurance) and regulatory requirements. Implement solutions following defined objectives, budget, effort, and timing while ensuring an optimal balance between third party vendor solutions and internal development and integration work. Evaluate and recommend evolution steps based on current and future technology capabilities. You take up the end-to-end responsibility on actions across the project life cycle from requirements phase up to launch into production environment. You evaluate systems performance level and propose enhancements to improve performance and capabilities when appropriate. Participate in small to medium size implementation projects (from an end-to-end perspective), collaborate with different stakeholders (product management, operational teams, external suppliers, and IT & network colleagues). Involved in and coordinating activities related to design, implementation, testing and rollout of technical platforms and Operational Support Systems. Generate methods and procedures and technical documents regarding technical solution and evolution (architecture, impact analysis) to be used by different operational teams. Participate in the implementation of technical solutions in collaboration with operational teams. Your skills: Technical skills : In depth understanding of network switching and routing as related to a Unified Communications and Voice Over IP network Working knowledge on SIP-trunking implementations Strong technical knowledge in the following protocols: SIP, ENUM, INAP and HTTP Knowledge of Unified Communications and Voice Over IP in secure computing environments (designing secure APIs, SSL/TLS, etc) Unix/Linux knowledge Good analytical skills, and ability to use tools like Wireshark, Splunk, and other means for analytic root cause analysis Following skills are a plus: Experience in the (international) Wholesale Telecom Business. Working knowledge on Metaswitch Perimeta SBC, Ribbon SBC (SBC5K and SWe) and Softswitch, NetNumber TITAN Working knowledge on LRF (Location Retrieval Function) implementations for emergency call handling Working knowledge on FreeSWITCH Application Server Experience with multiplatform unified communications, collaboration, cloud telephony service Knowledge on API technologies Knowledge on SIP Registrar/Authentication mechanisms Knowledge on VoLTE and/or IMS architecture - Familiar with STIR/SHAKEN concepts Familiar with Public Cloud concepts (AWS, Azure, ) Knowledge on BYOC (Bring Your Own Carrier), PSTN and call centre concepts Expertise with unified communication and collaboration platforms (eg MS Teams) Good understanding of telephony concepts (eg PBX, circuits, dial plans, routing)