Larry Hernandez Email & Phone Number

Austin, Texas Area

Austin, Texas Area

Austin, Texas Area

Dedicated Linux support escalation engineer for several high level accounts. Responsibilities include troubleshooting OS issues, providing architecture input, creating visos and managing account overall.

Miami/Fort Lauderdale Area

A personal point of contact for enterprise/service provider customers. Providing direct escalation level support.

Miami/Fort Lauderdale Area

Part of the CloudPlatform escalation support team. Helping 100's of customers worldwide with their production CloudStack environments. Everything from design implementation to new features.• CentOS/RedHat 5&6• VMware• XenServer• KVM• VLAN Networking• IPtables• TCPdumps• NFS,iSCSI & FC• SQL• Git• Bash Scripting

Miami/Fort Lauderdale Area

Senior Systems Administrator specializing in Linux.• Ubuntu 10.04 LTS• Postfix• CouchDB• Apache Tomcat• VMWare ESX 4.1 & VMWare ESXi 5.0• Splunk• Swatch• NetApp• SQL Server 2008

Miami/Fort Lauderdale Area

Senior Linux Administrator•CentOS 5.7 configured with Squid proxy, Exim, Iptables and GRE-tunnel over IPSec.•Bash Scripting •Exim server to host many virtual domains and deliver mail to remote peer running Courier IMAP.•OTRS help desk queues.•OpenVPN server with Open LDAP authentication•Exchange 2010 managed users, distribution groups and sending policies.•Windows 2008 Active Directory Group Policies•Asterisk PBX with Cisco 7940 IP Phones. Maintain company directory & maintain forwards to external DID when needed. Also updated IVR queue recordings.•Datacore LUN for use with VMware esxi 4.1•Abiquo Enterprise Cloud Solution. •VMware esxi 4.1 Create and Clone VMs•Xen Server managed server resource for multiple hosts

Miami/Fort Lauderdale Area

Senior Linux AdministratorSenior Windows Administrator•Windows XP supported 200+ workstations in 2 locations. Single handed for 4 years.•Windows 2003/2008 Built and maintained multiple servers ( SQL Server 2005, Active Directory, Group Policies, Terminal Server, Symantec Backup Exec, WSUS & IIS)•Gentoo Linux built and maintained Postfix email servers with DBMail POP3/IMAP Server using Postfix for SMTP w/ SSL and Spamassassin and ClamAV for spam/virus filtering. DBMail databases on MySQL w/ replication and ip failover using heartbeat.•Gentoo Linux built and maintained Internet gateways using IPtables firewall script. Each gateway on separate connection providing redundancy with ip failover using heartbeat.•Installed configured and maintained CreditSoft credit counseling software. Wrote custom reports against MS SQL backend.•Cisco 2621 configured with bonded T1’s and TFTP to Gentoo Linux server.•Inter-Tel Axxess 9.1 PBX with 200+ extentions. Installed and configured T1/E1 Card, Single Line Fax cards and DKSC extension cards. Programed Hunt Groups, STAR applications, etc.•FaxPress 5000 8 port fax server on Windows Server 2003. •Worked with team of developers to write custom mysql/mssql reports for automation.

Miami/Fort Lauderdale Area

Senior Windows Administrator•Support 30+ Windows XP workstations.•Built and maintained multiple Windows 2003 servers ( Active Directory, Group Policies,Terminal Server, Veritas Backup Exec, SUS)•Configured and Maintained Exchange 2000 •Configured and maintained Panasonic KX-TD1232 PBX

Miami/Fort Lauderdale Area

Junior Windows Systems AdministratorWindows Desktop Support•Support 1500+ Windows NT/Windows 2000 workstations•Built and maintained multiple Windows NT & Windows 2000 servers. •Responsible for daily tape backup and data recovery on Veritas Backup Exec.•Configured and Maintained Exchange 5.5•Installed and Configured Client Software.•Maintained and Configured Norton Ghost Server•Troubleshoot and diagnose hardware and software issues