Marius-Sebastian Balasa

Experience

• 

  Euroweb Romania

  Mar 2016 - Dec 2018

  Network Supervisor

  - Monitoring and investigation of incidents in the backbone networks(IP/MPLS Cisco, Juniper)- Troubleshooting and solve problems repoted by clients via email or phone(switching, routing, voice)- Decided the next step in solving different types of problems; dispatching field teams, escalate to the next Level of NOC department or escalate to the owner of the technology- Ensures that all services are up and running at the end of the planned works

• 

  GTS Telecom

  Jan 2019 - Jun 2025

  - Coordinates the NOC department in day-to-day processes and troubleshooting- Ensures the good functioning of the department and a fair distribution of tasks- First level of escalation for the NOC department in the troubleshooting and implementation process on devices from different vendors: Cisco, Juniper, Nokia, Fortinet(CDP,STP,multicast,ACL,NAT/PAT,DHCP,OSPF,EIGRP,BGP,QoS,IPSec)- First level of escalation for the NOC department in the troubleshooting and implementation in cloud and related services(VMware,Veritas,Ahsay,Netapp)- Ensures communication between the NOC department and the other departments involved in the troubleshooting and implementation processes(IP, Transmission, Cloud, Voice)- Offers on-call support, for NOC department, outside of business hours- Checks the service documentation after implementation and ensures that it is up to date after delivery Show less - Monitoring and investigation of incidents in the backbone networks (DWDM, SDH, Alcatel, Cisco, Juniper, Fortinet)- Troubleshooting and solve problems repoted by clients via email or phone(switching, routing, Voice, hosting, DNS, cloud)- Support for cutomers request in configuration or in troubleshooting on devices from different vendors: Cisco, Juniper, Nokia, Fortinet- Configuring and maintaining up to date CPE- Administrating cloud services from VMware(Broadcom) and other services related, like backup platforms(Veritas, Ahsay) and storage platform(Netapp)- Troubleshooting voice issue(SS7,SIP)- Configured network security rules on firewalls like Cisco ASA, Fortigate- Troubleshooting and implementing layer 2/3 protocols(CDP,STP,multicast,ACL,NAT/PAT,DHCP,OSPF,EIGRP,BGP,QoS,IPSec)- Decided the next step in solving different types of problems; dispatching field teams, escalate to the next Level of NOC department or escalate to the owner of the technology- Proactive monitoring on services using monitoring tools(NMS,Grafana,Check_MK)- Ensures the documentation is up to date for services- Ensures that all services are up and running at the end of the planned works Show less

  • Senior Network Operations Center Engineer

    Jun 2023 - Jun 2025

  • Network Operations Center Engineer

    Jan 2019 - Jun 2023
• 

  Oracle

  Jun 2025 - now

  Senior Multicloud Support Engineer