TZACHI ROSENVASER
Pahrump,NV
Summary
Results-driven IT and Network Engineer with 15 years of expertise deploying and maintaining LAN, Hardware and software infrastructure. Dedicated technology professional with strong track record of accurately conducting system repairs and troubleshooting. Offering exemplary planning, project management and communication talents.
I moved to the US 6 years ago and I’m looking for a position that will utilize my technical abilities and knowledge with networking technologies.
I want to contribute my exceptional abilities to the company that I will work for and keep expanding my knowledge.
Overview
12
12
years of professional experience
Work History
Network Engineer and IT
Virtual Guard
08.2020 - 01.2023
- Charged with planing, configuring, maintaining, monitoring, troubleshooting and fixing.
- Virtual private networks, for over 400 sites, computers, more than 5,000 cameras, VoIP, servers and network stability, hardware and software fo both the offices and clients side.
- Remotely or physically.
- Creating scripts for efficiency.
- Achieved many complex projects with firewalls, LAN(wired and wireless), VoIP, servers ( VMWARE and standalone machines(linux and windows) and routers.
- Created failover for servers, firewalls and routers.
- Troubleshot complex multi-vendor network issues.
- Assisted with implementation and support of network monitoring tools.
- Provided complete end-to-end engineering and installation of route-based IP network solutions.
- Created VPN infrastructure and allowed for secure remote connections.
- Integrated data, voice and video networks for use in multi-site installations.
Network Administrator / RT management
RT Management
02.2019 - 03.2020
- Installed, configured and supported local area network (LAN), wide area network (WAN) and Internet system.
- Maintained network hardware and software and monitored network to support network availability to end users.
- Performed day-to-day LAN and WAN administration, maintenance, and support.
- Identified and immediately resolved issues with network devices.
- Recommended development of plans for systems development and operations.
- Diagnosed and resolved hardware and software issues.
VoIP Help Desk Specialist
Bezeq
12.2013 - 05.2017
- Centrex VoIP networks expert – tier 2 technician.
- Responded to inquiries by phone, email and walk-up requests.
- Walked user through series of steps to determine problem and implement likely solution.
- Provided end-user and New support agents system and equipment training.
- Logged activities in tracking system to maintain accurate, timely records.
- Provided support for network infrastructure and baseline configurations.
- Researched and identified solutions to technical problems.
- Provided network support services for devices such as hubs, bridges, routers, and other hardware such as Cisco, HP, AudioCodes IP phones, routers, switches and firewalls devices.
- Integrated data, voice and video networks for use in multi-site installations.
- Worked with over 10k users to diagnose and resolve network and device problems and implemented established technical or procedural solutions.
- Configured and troubleshot VoIP and multi-media distributed systems and platforms.
- Default routing, BGP, EIGRP, OSPF and load balancing protocols configuration on the backbone equipment, Cisco routers 6000 and 8000 Series.
- Prioritized tickets from end users experiencing issues related to hardware, applications, IP phones and network
- Created and maintained knowledgebase and end user documentation.
- Updated service records and helpdesk tickets
- Reviewed daily reports to stay on top of meeting updates.
IT technician
IT / Daronet
10.2010 - 03.2013
- I administered the company networks, Firewalls, computers and IP-Phones (software and hardware), troubleshooting of
- Windows OS and servers (2003-2013), exchange, IIS6/7, AD, SQL, PC and office
- Uploaded, configured and maintained hundreds of websites on IIS servers in production and development environments
- My responsibilities was to configure, troubleshoot and maintain around 100 servers on ESXi servers with VMWare in the company’s Servers farm in a few locations around the world
- Installed, configure and troubleshoot software packages, including operating systems and 3rd party applications
- Performed internal user desk moves as required
- Repaired, configured and deployed firm-issued desktops, laptops, printers, and more
- Resolved reported issues physically and remotely
- Assisted VNC, TeamViewer
- RDP and more
- Performed routine maintenance and repairs on computer equipment
- MS SQL writing queries.
Education
Cisco Certified Network Associate - CCNA - Computer Networking And Telecommunications
IITC
Israel08.2016
No Degree - Computer Networking And Telecommunications
Ramat Gan College
Israel01.2005
Skills
- Strong Troubleshooting Skills
- Cisco Wireless Routers and Switches
- Network Troubleshooting
- LAN Switching Technologies
- Wireless: Ruckus, Mikrotik, Ubiquiti
- Firewall Functionality: Checkpoint, Fortinet, Cisco
- Virtual Private Networks (VPN)
- Excellent Customer service
- Problem solving and analytical Skills
- Windows XP/7/10/11, Linux
- Servers 2003/ 2008/ 2013/2019
- Exchange, AD, DNS, DHCP
Languages
English
Native or Bilingual
Hebrew
Native or Bilingual
Spanish
Elementary
Timeline
Network Engineer and IT
Virtual Guard
08.2020 - 01.2023
Network Administrator / RT management
RT Management
02.2019 - 03.2020
VoIP Help Desk Specialist
Bezeq
12.2013 - 05.2017
IT technician
IT / Daronet
10.2010 - 03.2013
Cisco Certified Network Associate - CCNA - Computer Networking And Telecommunications
IITC
No Degree - Computer Networking And Telecommunications
Ramat Gan College
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