Gabriel B.

Architect

665 dollar
Freelancer
14 years
Iasi, ROMANIA

My experience

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MambuAugust 2019 - Present

- Helpdesk, L2-L3 global support to users spread across 8 offices.
- Manage Cisco Meraki network Routers, Switches and Access Points
- Manage User accounts and access in different Cloud platforms: G Suite, Jira, BitBucket, etc.
- Manage different AWS resources (EC2 Instances, VPC, VPN, Security Groups, Load Balancers).
- Maintain MacOS internal devices
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Verve (/en/companies/verve)November 2018 - August 2019

- Helpdesk, L2-L3 support to users in London, Chicago and Iasi offices.
- Maintain network and server infrastructure hosted across multiple Data Centres in UK and US.
- Backup and disaster recovery, monitoring and maintenance.
- Regular ISand HIPA security compliance and enforcement.
- Daily system monitoring and logging
- Support for virtualized environments in Hyper-V and VmWare
- Administration of Exchange, AD and SQL server infrastructure across different versions and editions.

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Quartz Matrix SRL (/en/companies/quartz-matrix)April 2014 - November 2018

Network Administrator, Security and Data Center Administrator, Customer Technical support L2 / L3 which gave me the opportunity to obtain the following professional skills:
• Knowledge above average in implementation and configuration of the following network equipments:
- Cisco Routers and Switches
- HP Comware Routers and switches
- Cisco controllers and accespoints
- Cisco ASA Firewalls
- Experience in using Cisco CLI and Cisco ASDM and CCP.
- High Knowledge in configuration, implemetation and designing Security Solutions using Fortigate Firewalls;
• Knowledge above average in advanced configuration, troubleshooting and maintenance of the following operating systems and virtualization environments:
- VMWare ESX, 5, 6
- Microsoft Hyper-V
- Xen Project - open source virtualization
- Microsoft Windows Server
- Linux (CentOS, RedHat, Fedora, Debian, SUSE, Ubuntu)
- Microsoft Windows XP
• Advanced configuration, troubleshooting and maintenance of the following tools: Officeboth on premises and Office 365 versions on clound but on premise.
• Advanced configuration, maintenance and troubleshooting of the following email servers:
- Exchange 2007 and Exchange 2013
- Axigen, Xeams, Zimbra, Postfix, Iredmail under various versions of Linux
• Above average experience in using and configuring the following solutions:
- Monitoring hardware using Nagios, Cacti, The Dude, Netflow, Zabbix and others.
- Hardware and software solutions offered by a wide range of providers: Barracuda, Fortinet, BitDefender, Kaspersky
- Design, configuration and implementation of Cloud solutions using MS Azure.
- Hardware Servers or Storages from leading providers HP, DELL, Lenovo, IBM, Fujitsu Siemens
- Configuration of Backup and replication environments (Veeam, Acronis, Barracuda)
- Monitoring and securing networks and operating sistems using OpenSource and Enterprise solutions: DansGuardian, pfSense, Untangle, Barracuda, Fortinet, Forefront TMG ,Cisco ASA
- Routing protocols: OSPF, VRRP, BGP
- VPN solutions: Cisco, Forefront TMG, OpenVPN, Fortinet
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Quartz Matrix SRL (/en/companies/quartz-matrix)January 2018 - November 2018

- Delegate duties and tasks within the IT department
- Review completed tasks to ascertain compliance with standards.
- Monitor all team members and provide necessary advice and guidance.
- Coach all team members and motivate them to produce desired results.
- Work alongside other departments to achieve company goals and visions.
- Write and forward regular reports to the management.
- Provide solution to any complex IT related challenges in the organization.
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InfoWorld (/en/companies/info-world-srl)June 2007 - April 2014

- Wiring, designing, maintaining IT networks
- Configure and maintain netowrk infrastructure (routers and switches)
- Troubleshoot and resolve Hardware related problems
- Install, configure, troubleshoot and maintain Microsoft Windows XP,, 8 operating systems.
- Level 2 and level 3 techincal support
- Junior server administrator on Windows Server enviroments.

My stack

Protocols

VRRP, VPC

Databases

SQL Server, Microsoft SQL Server

Others

Bitbucket, Troubleshooting

Technologies

AWS

Analysis methods and tools

JIRA

IT Infrastructure

Cisco Switches/Routers, Amazon Web Services EC2, Debian, Hyper-V, Linux Red Hat, SuSE Linux, System administration, Virtualization, Zabbix, Network Security, Linux (Ubuntu, CentOS), Linux, Fedora, Ubuntu, VPN, Nagios, CentOS, VMware, Windows Server

My education and trainings

Licenses & certifications - Fortinet/ Microsoft/BitDefender University ...

Accounting and Management Information Systems - Alexandu Ioan Cuza University, Iasi2011 - 2014

Computer Science, Analyst Programmer, Computer Assist - College of Administrative and Economic Services1997 - 2001