Filip Miljkovic

Senior Core Network Operations Signalling Engineer at CETIN Serbia
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Contact Information
us****@****om
(386) 825-5501
Location
Belgrade, Serbia, RS

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Credentials

  • Diameter Signaling Router (DSR)
    Oracle
    Nov, 2023
    - Nov, 2024
  • Linux Administration
    Udemy
    Jun, 2021
    - Nov, 2024

Experience

  • CETIN Serbia
    • Serbia
    • Telecommunications
    • 100 - 200 Employee
    • Senior Core Network Operations Signalling Engineer
      • Oct 2022 - Present

      - Secure high availability of Signalling and Messaging network and related services - Plan, coordinate, execute and control efficient - Resource provisioning tasks (integration of new network elements including commissioning and acceptance tests) - Service provisioning tasks (implementation of new Signalling and Messaging services including acceptance tests) - Preventive network maintenance tasks in domain of Signalling and Messaging network (including acceptance of new software… Show more - Secure high availability of Signalling and Messaging network and related services - Plan, coordinate, execute and control efficient - Resource provisioning tasks (integration of new network elements including commissioning and acceptance tests) - Service provisioning tasks (implementation of new Signalling and Messaging services including acceptance tests) - Preventive network maintenance tasks in domain of Signalling and Messaging network (including acceptance of new software versions and testing of new functionalities) - Corrective maintenance activities (troubleshooting, handling of emergency cases) - Troubleshooting and performance reporting processes - Track vendor performance - Efficient continuous improvement of Signalling and Messaging network quality - Performance monitoring - Support CNOC team; participate in on-call service - Projects

    • Senior NOC Specialist
      • Dec 2021 - Oct 2022

      - Employee coordination and task prioritization - Roster creation and managment - Mentoring new colleagues - Taking all necessary measures and procedures in case of irregularities - Responsible for the management and maintenance of telecommunications and IT services as well as networks - Coordination within shifts, reporting errors, making backups - Reporting - Control the functioning and maintenance of the notification process - Management and resolution of reported… Show more - Employee coordination and task prioritization - Roster creation and managment - Mentoring new colleagues - Taking all necessary measures and procedures in case of irregularities - Responsible for the management and maintenance of telecommunications and IT services as well as networks - Coordination within shifts, reporting errors, making backups - Reporting - Control the functioning and maintenance of the notification process - Management and resolution of reported errors as well as their possible escalation to the next level of support - Trouble ticket creation regarding Incidents - Planned Works Monitoring, handling and restoration of Telco and IT services and resources of Telenor Global Services: - Global IPX, LTE Roaming Exchange, GSM Roaming Signalling, GRX, SMS, Voice Monitoring of Global products with different monitoring tools: Huawei M2000/U2000/U2020, Ericsson OSS RC and 5620 SAM. - Pro-active fault handling: routing investigation; - Network performance report generating: traffic analysis/capacity observations, call tracing, testing with Ascade7, Stinga, OSIX, CSG Assure; - IP network queries from routers

    • NOC Specialist
      • Jul 2020 - Dec 2021

      Monitoring, handling and restoration of Telco and IT services and resources of Telenor Global Services: - Global IPX, LTE Roaming Exchange, GSM Roaming Signalling, GRX, SMS, Voice - Trouble ticket creation regarding Incidents - Service Calls and Planned Works - Coordination with all Back Offices - Coordination with other departments as well as with subcontractors regarding planned activities - Responsible for continuous alarm handling and fault reporting - Create trouble… Show more Monitoring, handling and restoration of Telco and IT services and resources of Telenor Global Services: - Global IPX, LTE Roaming Exchange, GSM Roaming Signalling, GRX, SMS, Voice - Trouble ticket creation regarding Incidents - Service Calls and Planned Works - Coordination with all Back Offices - Coordination with other departments as well as with subcontractors regarding planned activities - Responsible for continuous alarm handling and fault reporting - Create trouble ticket reports - Backup procedures I have been trained for monitoring of Global products with different monitoring tools: Huawei M2000/U2000/U2020, Ericsson OSS RC and 5620 SAM. Gained experience in: - Pro-active fault handling: routing investigation; - Network performance report generating: traffic analysis/capacity observations, call tracing, testing with Ascade7, Stinga, OSIX, CSG Assure; - IP network queries from routers

  • Telenor Common Operation
    • Hungary
    • Information Services
    • 1 - 100 Employee
    • NOC Specialist
      • Oct 2019 - Jul 2020

      Monitoring, handling and restoration of Telco and IT services and resources of Telenor Global Services: - Global IPX, LTE Roaming Exchange, GSM Roaming Signalling, GRX, SMS, Voice - Trouble ticket creation regarding Incidents - Service Calls and Planned Works - Coordination with all Back Offices - Coordination with other departments as well as with subcontractors regarding planned activities - Responsible for continuous alarm handling and fault reporting - Create trouble… Show more Monitoring, handling and restoration of Telco and IT services and resources of Telenor Global Services: - Global IPX, LTE Roaming Exchange, GSM Roaming Signalling, GRX, SMS, Voice - Trouble ticket creation regarding Incidents - Service Calls and Planned Works - Coordination with all Back Offices - Coordination with other departments as well as with subcontractors regarding planned activities - Responsible for continuous alarm handling and fault reporting - Create trouble ticket reports - Backup procedures I have been trained for monitoring of Global products with different monitoring tools: Huawei M2000/U2000/U2020, Ericsson OSS RC and 5620 SAM. Gained experience in: - Pro-active fault handling: routing investigation; - Network performance report generating: traffic analysis/capacity observations, call tracing, testing with Ascade7, Stinga, OSIX, CSG Assure; - IP network queries from routers

    • Junior Service Desk Specialist
      • Jun 2019 - Oct 2019

      - Provide support to end users for hardware and software related issues - Identify, research, and resolve technical problems - Respond to tickets, email, and telephone calls for technical support - Document, track, and monitor problems to ensure a timely resolution - Install, configure, and maintain Windows operating systems - Troubleshoot various types of PC and mobile hardware and software - Operation and maintenance of device management platforms (SCCM/Intune) -… Show more - Provide support to end users for hardware and software related issues - Identify, research, and resolve technical problems - Respond to tickets, email, and telephone calls for technical support - Document, track, and monitor problems to ensure a timely resolution - Install, configure, and maintain Windows operating systems - Troubleshoot various types of PC and mobile hardware and software - Operation and maintenance of device management platforms (SCCM/Intune) - Participation in IP network implementation and maintenance - Field work to provide support for remote locations - On-call support for issues that arise outside of business hours

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