Larisa Rediu

Experience

• 

  Vodafone

  May 2011 - Jan 2017

  Provide 2nd level maintenance and restoration for the transmission nodes (SDH, PDH, ATM, ETH, Microwave, DWDM) for Vodafone Germany mobile and fixed network;- Perform detail alarm analysis for transport network;- Investigate and summarize critical technical fault for the transport network;- Provide incident report on the technical faults;- Prepare restoration plan for incident of disaster;- Escalate problem to vendor support and cooperate to resolve problem;- Tracing and debugging on various equipment;- Manages high risk operations;- To conduct analysis of early warning alarm and initiate corrective maintenance to resolve the problem;- Executes preventive maintenance activities Show less • Monitoring 24h/7days the Radio Access Network using fault managementsystems and specific NMS’s.• Investigating basic alarms on different equipments and technologies related to Radio Access (GSM, UMTS, SDR, LTE, etc) or to transport Networks (SDH,DWDM, ATM, IP).• Investigating basic alarms (Power Failure, Air Conditioned, and Temperature) in Regional RAN sites, using available resources in NOC• Handling and escalating to Security Operation Center the security incidents and the technical problems to Back Office in order to solve the issues.• Using dedicated Trouble Ticketing applications for alarms handling and field personnel dispatching• Performing phone interactions with local service providers regarding Radionetwork infrastructure (Power Company, Leased Line Company)• Periodically performing telecom reports in order to reach the agreed KPI’s• Participating at internal and external training sessions in order to permanently improve technical skills Show less

  • Engineer Back Office, Transmission

    Sept 2013 - Jan 2017

  • Regional NOC Engineer, Radio Access Network

    May 2011 - Sept 2013
• 

  Astreya at Google Transport Center

  Jan 2017 - Jan 2018

  Network Transport Engineer

  Employed as a Network Transport Engineer at Transport Control Center, I am responsible for providing support on all DWDM incidents across the Google global network. My position requires troubleshooting fiber incidents and keeping a regular communication with vendors and leased wave providers to assure minimum traffic impact.Core Job Duties-Work as support for all optical DWDM issues across theglobal network- Monitor, troubleshoot, maintain and repair optical transportnetwork and fiber issues.- Manage all fiber maintenance activity and fiber cuts, whichincludes developing documentation and managingescalations, both internally and externally- Contribute to the improvement of work and automationtools- Execute preventative maintenance plans- Perform software upgrades for qualified releases- Work acceptances /decommissioning projects as required- Resolve network audit failures, e.g. firmware upgradefailures- Supports existing operations (such as helping to resolvecurrent Tickets) and other projects related to Google’sglobal optical network infrastructure. Repair services forGoogle’s global optical network infrastructure, includingHandling Return Materials Authorization (“RMA”) requestsand part replacement and Creating and executingProduction Change Requests (“PCRs”)- Document discrepancies discovered during troubleshootingas required, including path file discrepancies and dark fiberdiscrepancies- Ongoing maintenance and administration of internaldocumentation and reporting of metrics for actionableevents- Developing documentation of acceptances (i.e. new serviceor hardware), including new circuit and the new systemacceptances- Adhere to standard network change management andconfiguration Show less

• 

  Ceragon Networks

  Feb 2018 - Sept 2022

  Main responsibilities include: Take part in regression automation test of wireless backhaul HW & SW systems. Define and write automatic test for new systems and features. Build test setups Record, investigate and analyze defects.

  • QA Team Leader

    Jan 2019 - Sept 2022

  • Validation and Verification Engineer , R&D

    Feb 2018 - Jan 2019
• 

  Thales

  Sept 2022 - now

  IVVQ Manager