System Administrator Resume

SUMMARY

Over 9 years’ experience in networking technologies.
Key strengths include communicating directly with customers for requirements, analysis, design, implementation and support.
Ability to work effectively as an individual and as part of a team.
Ability to learn and adopt new technologies quickly.

TECHNICAL SKILLS

Platforms: Windows Server 2003/2008/2012 , Windows 10/8/7 and Windows XP. GNU/Linux Centos, Debian, Ubuntu,openSUSE, Fedora. Unix/BSD FreeBSD, OpenBSD and basic knowledge of Mac.

Networking: Systems Integration, Migration/Upgrades, Multi - Platform Networking, and Essential Enterprise Services., Installation and configuration of MTA with Postfix/Devecot/Spamassassin/Clamav/Amavisd/Policyd/Horde IMP, Managing and configuration Servers LAMP (Linux Apache MySQL PHP) and Servers LAPP(Linux Apache PostgreSQL PHP).

Security: Managing and configuration of Router/Firewall by Hardware Cisco Series 25xx,Huawei 2809,1833, Telindus 1421,1431., Managing and configuration of Router/Firewall by Software Vyatta, pfSense(Unix), ClearOS, and Zentyal., Monitoring Systems, IDS (Intrusion detection system), and IPS (Intrusion Prevention System)., Configuration of PF(Packet Filtering), and IpTables

Virtualization: VMware vSphere Esxi 5,6, Citrix Xen Server, Proxmox with KVM, OpenVZ and LXC., CloudStack.

Cluster: Generic Cluster HP, DELL. Implementation Cluster Linux. Implementation VMware Multi Datacenter, VMware Multi Cluster, and cluster configuration over VMware vSphere Esxi. Implementation of Blade Cluster. High Availability Cluster with VMware vSphere Esxi & Proxmox VE.

VoIP: Managing and configuration of PBX Systems over Elastix, Trixbox, 3CX, Asterisk. FreePBX.

Database: Basic knowledge in Administration of Microsoft SQL Server 2000/2005/2008 R2, MySQL.

Hardware: Knowledge of upgrading and repairing PCs, multifunctional printers and networking.

PROFESSIONAL EXPERIENCE

Confidential

System Administrator

Responsibilities:

Assembling and maintaining servers on small business with regular configuration or clusters over VMware vSphere Esxi or ProxmoxVE.
Mounting Security Systems using Router/Firewalls as pfSense, ClearOS, Zentyal.
Implementation over these systems IDS, IPS, Domain, DNS, etc.
Telephony system implementation over VoIP using PBX Servers based in Asterisk.
Design and installation of network cabling for small offices.

Confidential, Havana, Cuba.

Enterprise Network and System Administrator

Responsibilities:

Assisted as time as team leader in the Primary Branch of Energy Industry in some cases working around the clock in order to maintain energy generation on power plants. Implementation and maintenance of several networks with different topologies.
Administered the company’s network over GNU/Linux and Windows Server.
Defined and implemented routing, security, firewalling, backup, and monitoring policies.

Confidential, Havana, Cuba

Help Desk and IT Tech

Responsibilities:

Providing PC and Client/Server tech support for small to medium sized businesses, diagnosing, troubleshooting and resolving client issues with hardware maintenance, installations and upgrades.

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