Experience

4PSA

• Romania
• Software Development
• 1 - 100 Employee

• Technical Support Engineer

  • Jun 2021 - Present

  Technical support for VoipNow PBX installations: -VoIP call flow debugging with Wireshark -debugging issues related to the product’s core components: Asterisk, Kamailio, MySQL/MariaDB, Nginx,Elasticsearch,WAF, -OS related issues: RedHat/CentOS,Almalinux,Rocky -server performance related issues -installations, upgrades and migrations -infrastructure design: deployment architecture, hardware recommendations -scripting: Bash,python,REST and SOAP API, Technical support for VoipNow PBX installations: -VoIP call flow debugging with Wireshark -debugging issues related to the product’s core components: Asterisk, Kamailio, MySQL/MariaDB, Nginx,Elasticsearch,WAF, -OS related issues: RedHat/CentOS,Almalinux,Rocky -server performance related issues -installations, upgrades and migrations -infrastructure design: deployment architecture, hardware recommendations -scripting: Bash,python,REST and SOAP API,



Nobel, Ltd

• IT Services and IT Consulting
• 100 - 200 Employee

• Switching engineer

  • Oct 2012 - Jun 2021

  Responsibilities, Achievements:• Work on interconnecting other carriers to Nobel's network (technical setup, test calls, CDRs comparison);• Installs, maintains and repairs all telecommunication systems within the network;• Inspects and checks equipment to locate problems or potential problems or causes of failure and makes necessary repairs and adjustments;• Capable of opening trouble tickets regarding equipment that is a part of Nobel's network worldwide or carrier issues and capable of troubleshooting on all internal switching trouble tickets and insure that they are looked at according to their priority• Work with other carriers (companies) to troubleshoot or improve the quality of service between Nobel and its customers• Performing regular software upgrades on Sonus SBC,GSX,PSX,EMS,DSI servers during maintenance windows• Implemented various routing setups requested by other departments• Designed several PHP/MySQL projects for internal use in the company used for traffic monitoring and interacting with APIs• Worked with ASA 5510 for IPSec VPNs• Worked with Cisco 6504, Cisco 5400 , Cisco 3750 , Sansay SBC,Digitalk, Cisco PGW, Dell and HP servers,• Managed a Citrix XEN virtualization solution on rack servers and a Dell M1000 chassis with external storage.• Implemented traffic monitoring through Cacti graphs• Packet tracing and analysis in Wireshark Show less

• NOC & Routing Supervisor

  • Aug 2008 - Oct 2012

  Responsibilities, Achievements:• Be involved in developing procedures for all the activities related to NOC Department and shift handover• Shift Organizer follow-up;• Be involved in special projects and tasks;• Complete performance reviews for staff on periodic basis and submit to Routing Manager recommendations;• Inter team-leaders tasks communication;• Be involved in developing cross-functional interactions to other Nobel Departments;• Provide Weekly Activity Report to Routing Manager• Participates in meetings and/or conferences concerning problem resolution, the scheduling of special projects, and other topics as required;• Administrative tasks;• Full responsible for all daily service level indicators• You have to be sure that every task and report assigned to you and your team is 0ed out in the timeframe and quality specified for it;• NOC TT’ s follow-up; you have to be sure that every carrier is contacted in the 24 hours frame;• Deep understanding of all NOC tasks from Shift Organizer and their impact to the business and propose appropriate changes if needed• Network issues are communicated to the appropriate departments in the appropriate time;• Responsible to maintain a high quality level for the calls received and the tickets handled; Show less