SUMMARY:

Solutions - oriented Systems Engineer with over 15 years hands-on experience in VMware virtualization, Citrix XenApp, Microsoft technologies and network infrastructure. Experienced in the design, implementation, configuration and management of enterprise environments, including but not limited to, Windows Server 2003/2008/2012 , Citrix XenApp, VMware vSphere. Highly successful in individual and team projects focused on the delivery of solutions with tight deadlines.

PROFESSIONAL EXPERIENCE:

Confidential, Alexandria, VA

VMware Systems Engineer

Responsibilities:

• Serve as primary technical contact for vSphere environment
• Responsible for managing agency’s vSphere 5.5 virtual infrastructure
• Ensure availability, scalability and performance of virtual environment, including all virtual machines
• Responsible for deploying virtual machines to include, Windows 2008, 2012 and various Linux distros
• Configured F5 LTM Virtual Edition
• Facilitate patching and upgrade of vSphere environment
• Provided recommendations to management on scaling virtual resources to increase utilization efficiency which lead to cost avoidance
• Develop and maintain documentation on system builds, server performance improvement and other standard SOPs
• Use Powershell scripts to simplify and/or complete routine and complex tasks
• Use innovative problem-solving approaches to tackle a wide range of issues
• Provided recommendations to management on ways to improve performance of existing virtual machines
• Collaborate across Operations and Implementation teams to determine best solutions for support
• Lead Engineer in the design and implementation upgrade of the agency’s SIPR Citrix XenApp 7.8 environment supporting 300+ users
• Lead Engineer in the implementation of AUDIT component’s data analysis application environment, IDEA
• Lead Engineer in the development of PST ingestion solution

Confidential, Washington, DC

Sr. Network Engineer

Responsibilities:

• Provide operational and infrastructure support for the Employment and Training Administration ( Confidential ) General Support System which consists of 1800 workstations and over 150 servers
• Manage current virtualized Citrix XenApp 5 Farm
• Implemented and configured Citrix XenApp 6.5 Farm, including EdgeSight, Power and Capacity Management and Access Gateway VPX 10 on VMware
• Provide technical assistance in support of Citrix Remote Access and RSA token installation and use
• Perform proactive and on-going systems monitoring in order to identify or prevent, potential or actual system failures
• Provisioned Windows 2008 R2 servers using vSphere 4.1
• Administer and maintain the department’s Active Directory infrastructure
• Conduct and manage load, performance and functional testing for mission critical applications to identify bottlenecks
• Created baseline XenApp 6.5 VM template that adheres to DISA standards
• Respond to and resolve tier 3 trouble tickets

Confidential, Arlington, VA

Sr. Systems Administrator

Responsibilities:

• Responsible for managing and supporting agency’s VMware vSphere infrastructure in multiple geographic locations
• Designed custom Security Technical Implementation Guide (STIG) that adheres to DISA standards to be used as agency’s baseline configuration management document
• Responsible for patch management of ESX/ESXi hosts, Windows Servers and workstations
• Instrumental in migrating the RCV (Registration, Compliance and Verification) system to a virtualized Windows environment.
• Analyze system and infrastructure requirements and make recommendations for implementing and integrating hardware and software components in the enterprise
• Demonstrate organization skills and excellent written communication skills by providing weekly executive summaries of planned and completed tasks
• Schedule nightly backups of virtual infrastructure via Veeam Backup software and responsible for ensuring backups are completed successfully
• Maintain all Linux servers
• Responsible for the management of DHCP server
• Responsible for configuring and provisioning Windows and Linux-based virtual machines
• Demonstrated understanding of SANs by adding, configuring and provisioning additional storage to vSphere infrastructure
• Created and deployed agency’s baseline laptop image
• Implemented Domain Controllers
• Utilized various networking protocols (TCP/IP, Telnet, FTP, SSH etc) on a daily basis
• Provide excellent customer service by interfacing with and responding to user requests accurately that meet Service Level Agreements
• Create, implement and manage domain-wide Active Directory group policies and automation scripts

Confidential, Herndon, VA

Sr. Systems Administrator

Responsibilities:

• Part of a team responsible for the management and support of 200+ servers hosted at East Coast locations, consisting of Windows 2003 and Windows 2008
• Provide high-level management and support of 10 Citrix servers in 2 farms comprised of Presentation Server 4.5 and XenApp 5.0 and ensured the successful implementation of each environment
• Configured Citrix Secure Gateway in a load-balanced, 2-server Web Interface implementation
• Evaluated needs of organization and provided recommendations for Citrix XenApp implementations
• Configured and deployed Linux and Windows virtual machines
• Implemented 2-server SQL 2008 cluster
• Responsible for the management of DHCP servers
• Responsible for managing users in the enterprise, 350 of which access Citrix environments
• Played an integral role in the implementation and configuration of agency’s VMware Cloud Computing infrastructure consisting of VMware VI3 and VSphere 4 in multiple HA clusters.
• Responsible for day-to-day management of VMware infrastructure, including host maintenance and ongoing provisioning of guests/servers based on customer requirements
• Performed ESXi host upgrade from 4.0 to 4.1
• Performed complete vCenter Server upgrade, including: OS upgrade from Windows Server 2003 to Windows Server 2008, SQL Server migration from, vCenter Server upgrade from 4.0 to 4.1
• Created and implemented domain-wide Active Directory group policies and automation scripts
• Created and implemented non-standard group policies from custom-designed administrative templates
• Performed consolidation and capacity planning of physical servers to virtual servers
• Provided technical support to agencies within the Department of the Interior
• Responsible for patch management of East Coast systems
• Performed multiple domain-to-domain server migrations
• Facilitated implementation of several high-visibility websites via installation and configuration of IIS 6.0/7.0
• Created and deployed registry hacks for securing systems and resolving issues

Confidential, Washington, DC

Systems Administrator

Responsibilities:

• Responsible for supporting and managing 24 load-balanced Citrix MetaFrame XP servers in a 300 concurrent user environment
• Responsible for gathering requirements for workstation, laptop and server image deployment
• Responsible for management of organization’s thin clients via Wyse Rapport
• Helped configure printing within Citrix for network and local printers
• Implemented and configured organization’s Terminal Services servers
• Created and implemented domain-wide Active Directory group policies and automation scripts
• Maintained Windows 2000 Exchange servers
• Created Windows scripts and registry hacks to automate and simplify administrative tasks
• Created instructional documentation for use of various applications
• Responsible for patch management of workstations, servers and desktops
• Interfaced with vendors regarding various software applications and infrastructure-related issues
• Provided tier 2+ support to local and remote users