Summary

A diversely skilled technical professional with demonstrated expertise in network and systems administration. Expertise and experience includes network security operations and maintenance, server and desktop infrastructure design and implementation, hardware, software, policy configuration and troubleshooting, Windows server and workstation planning, building, configuring, administering, maintaining, troubleshooting systems, operating system upgrade and migration. Seeking opportunities to contribute my passion and expertise to best serve our customers as a Senior Windows Systems network Engineer and Administrator.

Employment Experience:

Confidential

Work in DLA Defense Logistics Agency NOSC Network Operations and Security Center providing support to 40,000 users worldwide, preparing the migration of SCCM from 2007 R2 to 2012, using SCCM to build, maintain and update the DLA Windows 7 Standard Desktop with group policies, Windows updates, software upgrades and DCMs and making sure all DLA information systems are compatible and compliant with all DOD STIG, IAVA, CERT and other security requirement, having successfully created SOPs for various SCCM functions and procedures.

Confidential

Administering Active Directory and related infrastructure systems for the US Army's Southwest Asia Theater Network Operations and Security Center, the top-tier NOC for an internetwork of over one hundred thousand computers. As part of the Systems Operations team I have been living and breathing Active Directory and networking, managing and troubleshooting AD assets in sites from Saudi Arabia to Iraq to Afghanistan and forward operating bases throughout the theater, Skillfully implementing and troubleshooting domain controllers, active directory, group policies, DNS, DHCP, VMware, VMS, CCRI and other procedures and strategies.

Confidential

Sr. Network Administrator

• As a Sr. System Analyst, Sr. Network Administrator and Sr. IA Manager, for the past 7 and a half years, I have been responsible for the DOD project, TAMIS, Training Ammunition Management Information System, is a real-time application used by over 4,900 users worldwide, to ensure the system is operational, secure, and accessible 24 hours a day, by providing network infrastructure building and network management, servers' building, maintenance, and performance enhancement, workstations and applications troubleshooting, best development environment, Internet Security and system security implementation and management, and etc. Successes have included the following:
• Carefully and well planned, envisioned, and executed and implemented all the major changes and upgrades of the whole company's network infrastructure, operating systems, security mechanisms through physical site changes, Internet Service Providers changeover, production servers' move to Pentagon, and upgrading from Windows NT Server 4.0 network, via Windows 2000 Advanced Server, to Windows 2003 and 2008 Enterprise Server from Window NT Workstation 4.0, via Windows 2000, Windows XP, and Windows Vista, to Windows 7 from 32 bit to 64 bit computing environment, with more than hundreds of servers and workstations and staff turnovers Especially skilled in all Microsoft deployment and migration tools such as WDS, MDT, USMT, MDOP, AGPM as well as built-in tools like Performance, Resource Reliability Monitor
• Researched, planned, configured, maintained and optimized the application configuration management strategies and solutions and troubleshooting-ticket systems from Seapine's Surround SCM and TestTrack Pro, via MKS's Source Integrity and Integrity Manager, to Windows Team Foundation Server, to have complete control and manageability of the whole software development life cycles
• Researched, formulated, and executed a whole set of backup and disaster recovery and business continuity strategies and practices, using multi-level various approaches of SDLT tape drives, tape library, DVD RW archives, Veritas backup software and Acronis Image Server, off-site storage strategies and COOP plan to minimize business downtime Restore data upon request and do the COOP dry-run twice a year
• Working closely with DOD It team, IMCEN, and our Army customers to making sure system security, availability and integrity up to the high DOD standards and requirements of DIACAP, AR 25, SSAA, COOP, SIP, DMP and etc. Assisted system patching, IAVA, and site auditing Installed CAC card single log-on solutions for our production server
• Very skilled at troubleshooting, with advanced methodologies, all elements of the network facilities including routers, switches, hubs, servers, PCs, hard drives, memories, motherboards, RAID cards and RAID solutions, printers, network cards, cabling and wireless devices Very skilled at desktop support, daily server maintenance user account management, permission and security checking system malfunction troubleshooting user support, hardware and software inventory control, driver and firmware update, and all applications including SQL, Outlook, Visual Studio, Team Explorer, Secure FTP Server, Adobe, Office, Enterprise Architecture and all the related tools
• Monitored and controlled the performance, security, and status of network resources identified and diagnosed problems and factors affecting network performance Installed and configured WatchGuard firewall solutions and intrusion detection systems and their upgrades Installed and supported VPN solutions and RDP and iLo remote connections installed and configured Symatec Endpoint Protection Antivirus systems to protect the network from virus, worms, malware, and other attacks Installed SSL certificates for all the web servers and enabled 128-bit encryption to ensure the secure communications between customers and our websites Built a certificate authority to create certificates for web services Built Windows 2008 Hyper V servers and explored some virtualization strategies

Confidential

Network Administrator

• As a network administrator of a public-trading company with 200 workstations and 30 servers, I planned and implemented the major network and server upgrade Executed the company wide changeover from one ISP to another which included IP address changes, firewall configuration changes, router configurations, and public DNS changes responsible for implementing basic configuration changes on Cisco 2600 series routers and Livingston Portmaster routers executed company's first Outlook Web Access Server using SSL on a Windows 2000 Server. Secured entire corporate network behind Checkpoint Firewall version 4.1 Implemented a security architecture that allowed for the forwarding of incoming email from a DMZ to a secured corporate Microsoft Exchange Server implemented Scan Mail for Microsoft Exchange which scans all incoming and outgoing email for viruses
• I requisitioned and recommended various kinds of hardware for production and software development. Planned, built, configured, and maintained new servers and workstations Monitored server health with regard to CPU, RAM, hard disk utilization and network traffic analysis Configured NT system policies. Applied a system-wide backup procedure which improved efficiency and data retention using Veritas Backup Exec..
• Provided technical support to all end users running Windows 98, NT, ME, and 2000 for various applications and hardware, software and network services,

Confidential

Network Support Engineer

Working in an enterprise-level networking environment of 3700 staffs and more than 4000 nodes, provided high quality service to customers in Windows network support and application troubleshooting.