Skills

• Programming Lang: Java, C
• Scripting Lang: Bash, Perl, Shell, Python, PHP
• Operating Systems: Windows 7/8 Server 2003/2008/2012 Apple OS Linux CentOS, Ubuntu, Debian, Red Hat
• Database Platform: SQL Server, MySQL, PostgreSQL, Internet Information Services IIS
• Networking: TCP/IP, DHCP, DNS, WINS, ARP, FTP, Telnet, Cisco IOS, SMTP, POP3, NAT, VPN, VLAN,
• LAN/WAN, cabling
• Monitoring Tools: Nagios, Angry IP Scanner, WireShark, Splunk, Zenoss Core, Pandora FMS, PRTG Network

Work Experience

Confidential

Network Administrator

• Administer, build and configure physical and virtual servers Citirix XenServer 5.6/6.2, Windows Server 2008/2012 configure and maintain Cisco switches monitor, test and analyze all system and server software activities to ensure maximum performance, efficiency, and availability develop and maintain network documentation.
• Schedule and perform updates of system and server hardware/software design and perform server and security audits system backup / disaster recovery procedures ensure that all servers/systems comply with policies, standards, licensing agreements, and PCI security standards.
• Extensive support of server hardware/software and network applications such as Sharepoint, Exchange 2010, Office 365, Symantec, Citrix XenApp 7.5, Citrix XenDesktop, Citrix XenServer, Cisco, Meraki, and Palo Alto, Cisco Unified Communications Manager, Active Directory, and Group Policy.
• Conduct network projects such as Citrix XenServer / XenApps upgrade, migrate from Exchange 2010 to Office 365, configure / roll out Palo Alto firewall, design network for new locations and configure all appropriate hardware.

Confidential

Systems Administrato

• Administered physical and virtual servers VMware, Windows Server 2003/2008/2012 and Linux Servers Ubuntu/ Red Hat monitored for events and outages with Nagios, Splunk, and PRTG Network installation of hardware / software, security updates and patches new builds / rebuilds of Windows and Linux boxes use of Windows / Linux administration.
• Performed hardware / software troubleshooting and repair for servers troubleshot and repaired some workstations PC Mac maintained and repaired networking equipment Cisco HP Procurve switches, firewalls, routers, wireless, load balancers, and web filters, Barracuda devices, and Sonicwall.
• Implemented and integrated Amazon AWS / Nagios into existing infrastructure as high availability / failover / monitoring feature participated in Exchange 2007 to Office 365 migration implemented eVault cloud / appliance backup solution to replace Symantec Backup Exec 10d use of NetApps storage built Chef server non-production .
• Wrote and modified scripts and configuration files for system automation and web infrastructure Apache, Tomcat, Perl, Bash, Python, Cisco ios, Powershell heavy usage of Active Directory / Group Policy to maintain user accounts and network resources established documentation for network and systems configurations.

Confidential

Systems Administrator

• Configured, installed, and maintained Windows 2003/2008 and Linux CentOS/Red Hat servers built several LAMP servers file system management Virtual Machine VMware administration provided server hardware support for Dell PowerEdge and HP Proliant.
• Managed new install projects for servers, switches Cisco HP Procurve , Sonicwall, and other network resources performed network security audits and system monitoring using Nagios and Zenoss Core troubleshot hardware and network performance issues.
• Wrote various scripts for system backups, data management, phone system, and other tasks developed processes and user interfaces to automate the delivery of numerous files, including software updates to clients using Perl and Shell with PostgreSQL backend.
• Heavily used Active Directory for site and system maintenance, user account creation and management, Exchange, and group policy.
• Maintained internal PBX system Cisco Unified Communications UC540s UC560s via Cisco Configuration Assistant CCA , Putty /CLI, CUE, and CM.
• Installed and configured MySQL database database administration on various platforms like Windows and Linux.
• Developed and updated all network documentation created procedure documentation for new installations and problem prevention and resolutions.

Confidential

Help Desk Technician Level

• Performed hardware and software support for 850 workstations, 425 laptops, 120 printers, 20 Ricohs, and 30 Macbooks supported 895 users in 19 locations across NYC, Long Island, and Westchester via phone, remote software, or in person answered about 25 to 40 calls daily and addressed about 10 to 20 tickets daily.
• Configured, installed, and maintained Windows 2003 servers domain controllers, Citrix, WSUS, File Archive, Exchange, SQL, and Web , network devices Cisco switches, Sonicwalls, Barracuda , and Kronos time clocks participated in migration of Exchange 2003 to 2007.
• Used Active Directory, Systems Management Server SMS , Exchange Management Console, and Citrix Console Management to create and manage user accounts, system resources, and applications.
• Performed proactive system monitoring for servers and network equipment administered and deployed patches and updates created procedure and infrastructure documentation.
• Held biweekly training sessions to teach new employees and refresh existing staff on how to use PCs, applications, and other network resources.

Confidential

Desktop Support Specialist

• Maintained and troubleshot PCs, laptops, printers and peripherals for the NYCT in all environs i.e. campus buildings, train stations, bus depots, and train yards within the 5 boroughs break/fix, imaging, software installation, PC and printer setups.
• Provided inventory reporting to the Asset Management group responsible for taking tickets in a timely manner, noting them as due and closing them through SRMS custom ticketing system and filling out proper documentation for parts ordered.
• Coordinated and performed CPM Capital Program Management department of NYCT moves and installations dedicated technician for Materiel procurement and check releasing department of NYCT performed wall to wall migrations, roll-outs and installations at various NYCT locations.
• Performed cross technical work for other companies Unisys maintained contracts with, such as AIG, Dell, McGraw Hill, Port Authority, and Standards Poor.