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Senior IMS/VoIP Core Expert

Belgrade Job No. r00259286 Full-time
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Job Description

  • IMS Implementation Support: Assist operators in the implementation of IMS solutions for voice services, ensuring adherence to industry standards and best practices.
  • Testing & Optimization: Conduct testing of IMS-based voice services, identifying areas for optimization to enhance service quality and performance.
  • Network Design & Configuration: Provide design and configuration support for IMS architectures, including High-Level Design (HLD) and Low-Level Design (LLD) documentation.
  • Protocol Expertise: Utilize in-depth knowledge of VoIP/IMS protocols (e.g., SIP, SS7) to troubleshoot and resolve issues in voice service delivery.
  • Performance Monitoring: Analyze key performance indicators (KPIs) for voice services, conducting root cause analysis and implementing corrective actions as needed.
  • Stakeholder Collaboration: Collaborate with internal teams and external operators to ensure smooth project execution and effective communication.
  • Documentation & Reporting: Prepare and present technical documentation and reports on IMS implementations and voice service optimizations.
  • Continuous Improvement: Stay updated on industry trends and technologies to provide innovative solutions and support operators in evolving their voice services.

Qualifications

  • Education: Degree in Telecommunications, Computer Science, Electrical Engineering, or a related discipline.
  • Experience:
    • Experience in engineering, design, optimization, or performance roles related to IMS/VoIP services, preferably with mobile/fixed network operators or vendors.
    • Proven knowledge of VoIP/Fixed IMS network architecture, interfaces, and call flows.
    • Experience in testing and optimizing voice services within IMS environments.
  • Technical Skills:
    • Proficiency in trace analysis tools (e.g., Wireshark) for diagnosing network issues.
    • Solid understanding of IP networking concepts and protocols.
    • Familiarity with Mobile Core technologies (PS/CS, VoLTE, Cloud migration, Slicing) is a plus.
  • Skills & Competencies:
    • Strong communication skills in spoken and written English.
    • Ability to manage projects effectively and work collaboratively with stakeholders.
    • Flexibility and willingness to travel as needed to support operator engagements.
    • Commitment to continuous learning and professional development in the telecommunications field.
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