Valentin Serbanescu

Experience

• 

  SIPSTATUS

  Oct 2016 - Feb 2018

  Tehnician Retele Telecomunicatii

  - Accurate ticket documentation of the network support requests and troubleshooting steps taken- Ticket follow-up and escalation in accordance with priority- Capturing and debugging SIP packets using Wireshark- Troubleshooting connectivity issues H2H with the partnered NOC departments- Interconnecting new companies with the local softswitch – technical setup and testing to ensure proper signaling and call data records matching- Involved in developing procedures, features and solutions for the NOC department’s inhouse built VoIP platform- Activity reports – daily sales performance, traffic variation and lossessupervising, monitoring and maintaining a telecommunications network.- Monitoring traffic flow- Uncovering issues of several priorities- Fast and effective incident response- Carrier, transmission, routes and QOS testing- Applications: Wireshark , Bria , SST Platform , Arptel , iTest- Troubleshooting call flows- VOIP communications- Quality calls testing- Uploading rates in system using Microsoft Excel Show less

• 

  Ericsson

  Sept 2018 - Dec 2018

  1st Level Operation Engineer

  Acquired skills and knowledge:2G, 3G, 4G arhitecture Ericsson

• 

  Vodafone

  Dec 2018 - now

  I ensure reliable mobile access by coordinating Vodafone Germany's international teams in high-pressure operations. This role sharpens my conflict resolution, detail orientation and teamwork skills.-Preventive maintenance and problem management in radio access network-Ensuring network quality and service availability-Collaboration with DNOC operation departments-Implement procedures and strategies to guarantee best operation practices-High focus on network stability and optimization of interworking processes-Detailed understanding of mobile access network-Strong customer orientation-Analytical thinking and analyses,independent self-management-Strong communication skills and presentation techniques Show less - In case of incident, trouble shooting analysis and assuring all the repair actions, including vendor supportescalation, in order to achieve service restoration of Radio Network.- Planned work activities, network rollout, software upgrades and parameter changes in radio access network(RAN) ensuring quality of service and avoiding regression on network functionalities.- Acceptance test and integration/configuration activities of new network elements of the RAN.- Provide fault management on specific RAN nodes: GSM, UMTS, LTE, 5G- Be responsible for the availability and stability of overall network- Be responsible for resolving incident and fulfill service request as 2nd line support- Software rollout of RAN network 2G 3G 4G 5G ( controlers and nodes )- Perform preventive & corrective maintenance, fault management- Perform SW upgrade on 2G/3G/4G/5G BTS and controlers- Assuring troubleshooting analysis and all the repair actions in case of incidents, including vendor supportescalation in order to achieve service restoration;- Assisting field engineers during interventions on site activities with particular focus on special events;- Knowledge sharing in order to increase technical skills of my team colleagues.Equipments:o Flexi BSC, AirscaleBSC,o Flexi Multiradio GSM, Flexi Multiradio WCDMA, Flexi Multiradio LTE, Airscale BTS, Airscale 5G, SRAN Show less o Monitoring and troubleshooting the issues occured in the GSM/UMTS/LTE/5G network (Nokia + Huawei)o Creating tickets for equipment faluts using IPM and Remedy.o Keep a strong and efficient communication with 2nd line engineers.o Send outage notifications and provide updates during network incidents in order to keep management andother business units informed.o Adjusting and optimizing the procedures to maintain the information up to date according with the newtechnologies.oTraining and support for the new colleagues. Show less

  • Technical Lead 2nd Line • RAN Operations Mgt

    Sept 2025 - now

  • Engineer 2nd Line Operations RAN Huawei & Nokia

    Feb 2022 - Sept 2025

  • 1st Level Operation Engineer

    Dec 2018 - Feb 2022