07/24/2026 updated
100 % available
Senior IMS & VoLTE Technical Lead | SIP | Core Network | Linux | Telecom
Tunisia
Only remote
Network EngineerAbout me
I have over 11 years of experience in telecom, specializing in Core IMS, VoLTE, SIP signaling, HSS, PCRF, and LTE Core Network. My background includes telecom validation, integration, troubleshooting, and automation of IMS services.
4G (Telecommunication)3GPP (Telecommunication)LTE (Telecommunication)VoIPGPRS Core NetworksAnsibleRobot FrameworkTelecom InfrastructureVirtualizationReal-Time Transport ProtocolIP Multimedia Subsystem (IMS)2G (Telecommunication)
IMS Core Network & VoLTE
Over 11 years of experience in IP Multimedia Subsystem (IMS) Core Network solutions and Voice over LTE (VoLTE) services, including architecture design, deployment, validation, and integration of critical telecom platforms such as CSCF, TAS, HSS, PCRF, IBCF/BGCF, and MRFC.
SIP Signaling & Diameter Protocols
In-depth expertise in SIP signaling, Diameter protocols, VoLTE, SRVCC (Single Radio Voice Call Continuity), and SCC AS (Service Centralization and Continuity Application Server) for resolving complex network issues.
Linux Administration & Automation
Proficiency in Linux system administration, virtualization environment optimization, and implementation of automation frameworks including Robot Framework and Python.
Telecom Platform Troubleshooting
Extensive experience in troubleshooting complex network issues across various IMS elements and telecom platforms, including CSCF, TAS, HSS, PCRF, IBCF/BGCF, and MRFC.
Red Hat Ansible Automation
Certification in developing advanced automation with Red Hat Ansible Automation Platform, enabling efficient infrastructure automation and configuration management.
Virtualization
Optimization and management of virtualization environments as part of telecom infrastructure operations and technical support delivery.
Technical Leadership & Cross-functional Coordination
Leadership of technical investigations, analysis of intricate network problems, and effective coordination with cross-functional teams to deliver high-quality telecom solutions for operators.
Robot Framework with Python
Certified in Robot Framework with Python, applied for test automation and automation framework implementation within telecom environments.
Over 11 years of experience in IP Multimedia Subsystem (IMS) Core Network solutions and Voice over LTE (VoLTE) services, including architecture design, deployment, validation, and integration of critical telecom platforms such as CSCF, TAS, HSS, PCRF, IBCF/BGCF, and MRFC.
SIP Signaling & Diameter Protocols
In-depth expertise in SIP signaling, Diameter protocols, VoLTE, SRVCC (Single Radio Voice Call Continuity), and SCC AS (Service Centralization and Continuity Application Server) for resolving complex network issues.
Linux Administration & Automation
Proficiency in Linux system administration, virtualization environment optimization, and implementation of automation frameworks including Robot Framework and Python.
Telecom Platform Troubleshooting
Extensive experience in troubleshooting complex network issues across various IMS elements and telecom platforms, including CSCF, TAS, HSS, PCRF, IBCF/BGCF, and MRFC.
Red Hat Ansible Automation
Certification in developing advanced automation with Red Hat Ansible Automation Platform, enabling efficient infrastructure automation and configuration management.
Virtualization
Optimization and management of virtualization environments as part of telecom infrastructure operations and technical support delivery.
Technical Leadership & Cross-functional Coordination
Leadership of technical investigations, analysis of intricate network problems, and effective coordination with cross-functional teams to deliver high-quality telecom solutions for operators.
Robot Framework with Python
Certified in Robot Framework with Python, applied for test automation and automation framework implementation within telecom environments.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishGoodFrenchFluentItalianBasic knowledge
Project history
Pioneered advanced IMS Core Network solutions and VoLTE services. Applied expertise in IMS architecture, SIP signaling, Diameter protocols, VoLTE, SRVCC, and SCC AS. Engineered, deployed, validated, and troubleshot critical telecom platforms including CSCF, TAS, HSS, PCRF, IBCF/BGCF, and MRFC. Managed Linux system administration, optimized virtualization environments, implemented automation frameworks, and provided expert customer technical support. Led technical investigations and coordinated with cross-functional teams to deliver high-quality telecom solutions for operators.