Summary of qualifications

A Systems Administrator with five years of server and network administration work experience, specializing in the coordination, communication, and support of 24/7 software-as-a-service production environments, virtual and physical servers, and network design and maintenance.

WORK Experience

Systems Administrator March 2010 – Present Confidential Palm Beach Gardens, FL

• Migrated all services running on physical servers to XenServer VMs on Dell servers and Equallogic storage.
• Designed, implemented, and maintained Bentek application cluster utilizing Red Hat clustering with IPVS load-balancing and failover on XenServer VMs.
• Managed Bentek application services, including a custom-built version of Apache, Coldfusion application server, and clustered MS SQL servers, insuring 24/7 availability to all clients.
• Maintained four separate virtual server environments for BenTek application to allow for development, quality assurance, staging, and production.
• Redesigned network layout, moving from a flat network layout to a more structured, VLAN’d configuration with POE switches to allow for the use of IP telephony.
• Migrated all services from Peer1 datacenter to tier 1 Terremark datacenter
• Implemented Nagios system to monitor all business critical servers, network devices, and services
• Tracked service requests via Atlassian Jira ticketing system
• Maintained all documentation via corporate wiki.
• Maintained strict security through Watchguard and Cisco firewalls, AD-authenticated firewall, and Bitdefender antivirus
• Provided support for in-house Xerox printing production facility
• Administered all network services, including Active Directory, MS SQL and PostgreSQL databases, FTP, File servers, DNS, source control, accounting and financial services, etc.
• Earned SAS70 certification for BenTek application.
• Performed daily backups using Zmanda backup software to deduplicated Solaris storage backend.

• Provided IT services to more than 50 client businesses.
• Assisted clients in many disaster recovery scenarios, such as corrupted RAID arrays, Exchange database corruption, etc.
• Worked on all phases of virtualization projects, from requirements gathering, planning, design, implementation, and cut-over
• Dealt with a wide range of client hardware and software

• Administered all aspects of 1000-seat desktop, 150 server infrastructure.
• Oversaw all aspects of maintaining fully virtualized datacenter presence, utilizing VMWare Vsphere running on Dell blade center with EMC fiber channel SAN for storage
• Rolled out enterprise-wide Exchange 2003 email system from the ground up, for seven companies, twelve domain names, 500+ users, migrating all email, contacts, calendar items, distribution groups, etc.
• Upgraded Exchange 2003 environment to Exchange 2007 for all seven companies
• Administered all aspects of RSA secured Citrix XenApp environment, supporting applications, creating new users, optimizing performance, etc.
• Replaced 10+ year-old domain infrastructure with new Windows Server 2003 Active Directory, migrating over all proprietary and financial applications, file, print and SQL servers, maintaining proper access levels and permissions.
• Installed Microsoft Office Communications Server 2007, utilizing the presence, instant messaging, and web-conferencing capabilities for the entire enterprise for in- and out-of-network communications
• Created VDI system for corporate employees that utilized thin clients from Pano, moving to a fully virtualized desktop environment
• Maintained Cisco ASA5520 with hardware tunnels to two remote offices, managed VPN users and administration of accounts
• Administered Avaya PBX phone system for corporate and remote employees
• Maintained desktop VMs for corporate and remote users prior to Citrix rollout.
• Tracked all maintenance and service requests and service tickets with Ilient helpdesk software
• Rolled out new phone system with Verizon business-grade VoIP via MPLS using Polycom 501 phones connected to Adtran power-over-ethernet switches.

Industry certifications

CompTIA A+Completed Februrary 2008 CompTIA Network+Completed March 2008

Education

Bachelor of Science (B.S.),

• Major: Management Information Systems

• OS: Windows Server 2003/2008, Windows 2000/XP/Vista/7, Mac OSX, Ubuntu/Debian/Red Hat Linux
• Virtualization: VMware ESX v3.5/4.0, Virtual Infrastructure/VSphere v3.5/4, Workstation v6.5.x, Citrix XenServer 5.6 FP1
• Storage: EMC AX150 Fiber Channel, Dell MD3000i, Equallogic PS4000E SANs, Thecus NAS
• Backup: Symantec Backup Exec v12.5, Zmanda Enterprise
• Desktop: Citrix XenApp 4.5, Terminal Services for Server 2003/2008, VMware VDI
• Network Services: TCP/IP, VPN, NAT, QoS, 802.11x, NetBIOS, DNS, DHCP, NTP, Active Directory, Windows and Linux Clustering & Load-balancing
• Security: Cisco ASA5520, Watchguard X2500, SOHO and Edge, RSA SecurID
• Email: Exchange 2003/2007
• Unified Messaging: Office Communications Server 2007 R2, LiveMeeting, Office Communicator
• Telephony: Avaya IPOffice v5.2, Avaya IP406 switches, GFI Faxmaker v12.0, Verizon Hosted IP over Centrex, Polycom 501,301
• Database: MySQL, SQL Server 2005, PostgreSQL
  Scripting: Bash, Perl, Windows VB.NET