TECHNICAL SKILLS

Managing: Manage, supervise, and lead outstanding IT teams.

Microsoft technologies: Windows Servers (2008 R2 - 2016), Active Directory, Domain Name Service, Group Policy, Domain Trust, Forest,Tree, Exchange servers, IIS Server, SQL server, SharePoint server, Office suite.

Linux: Redhat, Ubuntu, SuSe.

IBM Technology: AS400/ i5 / Power System, BPIC, LANSA, Mimix, iTera,CL.

Network: Cisco ASA, Routers, Switches, Palo Alto, SAN, LAN,WAN, MPLS, Microsoft Azure, Amazon AWS, VMWare, Citrix NetScaler ADC, Citrix Zen OS, Citrix VDI, Citrix XenApp, VoIP, F5 Load Balancer, Baracuda firewall, Juniper, ISIS, RIP, OSPF, IGRP, EIGRP, BGP, T1, T3, MPLS, VPN, TCP/IP, Wireshark, Solarwind, splunk.

Hardware: EMC CLARiiON, Celera, VNX, VMAX, IBM midrange, HP server, Dell server, RAID 0/1/10/5/6, iSCII SAN, NAS, HP 4000 SAN, HP 4500 SAN, SUN

Programming language: C, C++, C#, VB.NET, ASP.NET, PowerShell, PHP, RPG.

Database: SQL, Oracle, DB2, Access.

PROFESSIONAL EXPERIENCE

Confidential, Frisco, Texas

System Administrator / Team Lead

Responsibilities:

• Provide technical training/coaching to team members.
• Responsible for interview potential candidates. Provide training and coaching to all team members.
• Manage 100 plus IIS servers, and provide support to more than 80 plus web sites.
• Successfully work with the developers and other teams to maximize the web sites up times.
• Continuously explore and recommend solutions to minimize the cost, and at the same time to improve servers / sites performance.
• Setup new web sites on IIS farms, and setup the site load balancing on the NetScaler.
• Manage and trouble-shooting NetScaler load balancer issues, Network issues, AD issues, DNS issue, Certificate issues, Database issues, site performance issues, ASP.net/MVC issues, C++/C#/VB.Net code behind errors.
• Analyze, and provide solution to remediate security issues of the OS, and the web sites.
• Review servers’ performance and request additional resources to accommodate the business growth.
• Migrated servers from one data center to another data center.
• Document all servers and websites. Create disaster/recovery procedure.
• Closely work with the Change and Release Management team to deploy new codes.
• Continue to learn and explore new technology to align with the company goals and directions.

Confidential - Dallas, TX

IT Manager

Responsibilities:

• Review, analyze the existing IT architect and make the recommendation for new changes.
• Purchase appropriate hardware, and software.
• Convert Physical servers to Virtual servers using Microsoft Hyper-V technology.
• Setup iSCII SAN.
• Upgrade Domain Controller servers from 2008 R2 to 2012 R2.
• Create group policies for different departments.
• Upgrade Exchange 2010 servers to Exchange 2013 servers.
• Create Exchange DAG for High Availability.
• Upgrade Microsoft SQL 2008 servers to Microsoft SQL 2005 servers.
• Configure SQL backup and performance tuning jobs.
• Upgrade the CISCO Firewall ASA 505 to ASA 512.
• Reconfigure firewall NAT, policies, VPN, routing protocols.
• Configure Elfiq link load balancer (load balancing between two internet provider companies)
• Purchase Storage Craft software for VM backup/recovery
• Purchase additional routers, switches to re-cabling the facility.
• Configure Barracuda spam filter, and web site load balancing.
• Setup new users in AD.
• Configure file sharing permissions (dfs).
• Reconfigure all enterprise applications with the new architect.
• Configure Voip server. Setup new user phone.
• Perform security audit scan.

Confidential - Bryan, TX

System Administrator Supervisor

Responsibilities:

• Manage the System Engineer team. Review and monitor projects assignments of the team members.
• Allocate resources and provide technical guidance for the System Engineers.
• Perform annual review of the team members.
• Perform VMWare ESXi 5.0, VSphere administration, Windows 2008 R2/2003 Servers administration.
• Manage HP servers (DL 360/380/580), HP SAN (4000, 4400) and Cisco fabrics(fiber switches ).
• Manage CISCO ASA 5510, CISCO Netflow, Juniper (SSG5, NS50) routers, Frame Relay routers, F5 Big IP.
• Manage SFTP, VPN, DNS, TCP/IP, DHCP, AD, SNA, IPSec. Manage Tomcat servers, IIS servers.
• Resolve networking problems, and Software errors.
• Analyze packet data capture and work with customers, vendors to resolve connectivity issue.
• Response for disaster recovery, backup and restore files, data.
• Perform security scan, software patching, hardware and software upgrade.
• Work with vendors to resolve any IT related issue.
• Configure and manage VMWare, VCenter operation, Avaya VM virtual switch.
• Create new LUN, extend disk space for existing LUN.
• Add, remove, replace failed drives on HP SAN.
• Replicate, and restore VM severs.
• Perform servers backup using CommVault.
• Manually clean up snapshot files when VMWare failed.
• Enable advance feature in vRanger, and resolve vRanger errors.
• Monitor the network infrastructure and servers using various software such as Whatsup Gold, SolarWind, Spunk.
• Trouble shooting and resolve DNS errors.
• Create and manage user accounts in AD. Manage group policy objects.

Confidential - Houston, TX

Senior Network Administrator

Responsibilities:

• Manage the IBM Power 7. Manage and support NetIQ product.
• Manage HMC, LPAR, iTera HA, EDI.
• Configure and trouble shoot Power 7 system errors.
• Perform network administration.
• Monitor network performance using Orien.
• Resolve complex networking errors such as TCP/IP, DNS, DHCP, GPO, VPN.
• Make recommendation of hardware upgrade and network security.
• Provide support to end users, and other IT group.
• Perform system update, backup, restored and rebuild. Installed and configure new software.
• Provide cost analysis on hardware and software upgrade. Install and configure SCCM.
• Configure Data Protection Manager to provide continuous data protection for Exchange and file servers.

Confidential - Brenham, TX

System Engingeer /Project Team Lead

Responsibilities:

• Research and implement Citrix environment to be utilized by field Adjusters.
• Perform SAN, VMware ESX, vSphere administration.
• Responsible for performance monitoring, tuning, and capacity planning.
• Plan operating systems upgrade and patch management strategy.
• Support i5 communication (TCPIP, DDM, Opticonnect) between systems.
• Install hardware and computer equipments associated with i5 systems.
• Support i5 high availability strategy.
• Assist Systems Operations staff in troubleshooting and resolving i5 technical issues.
• Review system logs for issues or need for corrective action.
• Create procedures for starting and stopping of systems and services on i5 systems.
• Assist in developing documentation of all system operational activities.
• Perform system job scheduling using advanced system job scheduler.
• Make suggestions to manager to improve operational process flow to provide better customer service.
• Coordinate and provides ongoing technology training to other department staff.
• Assist in planning technical aspects of yearly disaster recovery tests. Manage HP servers, EMC SAN.
• Participate in planning overall departmental strategies and initiatives.
• Perform Microsoft Windows Server 2003/2008 administration.
• Update Linux Redhat servers, VMware, Jboss servers, Websphere servers.
• Assist in development and evaluation of new technologies.
• Design and implement RSA second form factor for authentication along with AD.
• Perform Microsoft Windows Server administration.
• Setup and administer SCOM.
• Resolve complex Windows Servers and Workstation errors.
• Provide technical support to helpdesk staffs and team members.
• Analyze and resolve WAN, LAN errors.
• Monitor performance of Microsoft Windows Servers and Linux Servers.
• Install and configure new servers.
• Replace failed hardware and resolve any error on the servers.
• Assist in application testing.
• Plan, install, configure, and manage Websphere, JBOSS, ILOG JRules servers.