SUMMARY:

• Obtain a professional UNIX/LINUX system administrator of any flavor of UNIX/LINUX (Sun Solaris, HP, AIX, LINUX, etc …).
• Strong verbal and writing communication, interpersonal skills, and customer service skills.
• Accustom to learning, improving, and accepting responsibilities
• Ability to work effectively, collaboratively and professionally with others
• Able to plan, organize, develop, analyze, research and handle complex projects
• Dedicated to producing timely results

INFORMATION TECHNOLOGY SKILLS:

Computer Languages: Perl, C/C++, Java, SQL, TL1, SQLPLUS, PL/SQL and WINDOW script, UNIX Bourne, Bash, C and Korn shell script programming, XML and HTML

Computer Hardware, Software and Operating Systems: MS Office 2010, Outlook, Lotus Notes, UNIX based, MVS based, NT based systems, Oracle, Web browsers, GUI, DB2 and IMS.

Software: Quality Assurance Test, CMM, Software Testing Tools, Digital Cross Connect Systems, Digital Technologies, Data Network, Data Communications, TCP/IP, Rational Unified Process, LoadRunner, WinRunner, TestManager, TestDirector, ClearQuest, ClearCase, Tivoli Storage Manager, SMIT, CSM, JASS, Veritas, Service Guard, LDAP, NIS, VxVM, LVM, Veritas Netbackup, HP JetAdmin, CVS repository, EMC, DNS, iPlanet, Admintool, SAM, ISO 9000, SONET, SQL/SQLPLUS, FTP/FTP95/98 PRO, Computer Network, Web Server/Browser and Netscape, WebSphere, and Network Administration, Business and professional writing, WINDOWS NT workstations and problem trouble - shooting, OS/390, MVS, VSAM, CICS, IMS and DB2, SUN Solaris, AIX and HP UNIX, advanced UNIX shell script programming Technologies

Linux: Shield, Sun Java system console, LDAP Directory Server, Bladelogic and SMS, NAS, NFS, NetApp, SAN, Apache, Tomcat, SSL/HTTPS, TCPWrapper (Solaris), JumpStart, LiveUpgrade, Google Earth Fusion, Server and GEEC, LDOM, OSWatcher, IBM Patrol, MySQL, Rational ClearQuest, SunRay, VMware, VM VirtualBox, SELinux, Anaconda/Kick Start, Symantec NetBackup, Weblogic - Confidential, Confidential, Moya

Technologies: Windows NT/XP/2008, HP UNIX, AIX UNIX, SUN SOLARIS, LINUX Red Hat and other distributions, MVS TSO IBM, IBM, and DOS.Sun SPARC, Sun x86, Sun Ultra Enterprise, SunFire, M5000, T5140, T5220, T5240, T200, IBMPowerServer processors, HP Blade, Dell, Penguin Computing, NetGear NAS.

COMPUTER AND INFORMATION TECHNOLOGY EXPERIENCES:

Sr UNIX/LINUX System Administrator

Confidential, Ft Meade, MD

Responsibilities:

• Work as a Sr UNIX/LINUX system administrator in Global Command and Control System-Joint project and EIMS project
• Follow DoD/DISA policy, regulations and standards
• Build and install Red Hat Linux, Red Hat Enterprise Virtualization, Red Hat Certificate Authority, Solaris servers and Windows servers. Harden servers and workstations for IA security; and configure disks, storages, Logical Volume Manager, filesystems, applications, network, etc. Harden Oracle RDMS for IA security.
• Upgrade Red Hat Linux, and Solaris OS on servers and workstations.
• Apply up-to-date Linux and Solaris security and server patches on Linux and Solaris servers and workstations
• Apply Linux and Solaris virtualization technologies like KVM, RHEV, Logical Domain (LDOM) and zones; and build virtual servers on Solaris and Red Hat servers.
• Apply VMware ESX, ESXi and VM VirtualBox virtualization technologies and build virtual servers on Linux and Windows servers, and workstations
• Integrate NFS, web, application and database servers in GCCS-J system.
• Administrate and maintain the security, authorized access, operation, availability, audit
• Build and configure NetGear NAS server and Symantec NetBackup Enterprise to back up images, Oracle database, SunRay Server and SunRay thin clients, Weblogic applications, filesystems and data of Linux and Solaris Production/Dev/Acceptance Database, Application and Web servers.
• Support Development, DBA, and Testing teams and DISA users.
• Trouble-shoot technical software, hardware issues on Linux and Solaris servers and workstations
• Trouble-shoot network connection, and network link layer issues, etc

Sr UNIX/LINUX system administrator

Confidential, Arlington, VA

Responsibilities:

• Worked as a Sr UNIX system administrator in National Science Foundation DCISS project.
• Followed National Science Foundation policy and standards.
• Installed RedHat Linux, CentOS Linux, and Solaris OS. Harden servers and workstations for security; and configure disks, storages, Logical Volume Manager, filesystems, applications, etc the servers and the workstations
• Applied SELinux security, RBAC, multi-level security to protect systems.
• Applied up-to-date security and server patches on Linux and Solaris servers and workstations
• Applied Linux and Solaris virtualization technologies like Logical Domain and zones; and build virtual servers.
• Created, configured and maintained zfs storage pools, ufs, zfs, ext2, ext3, ext4, xfs filesystems on Linux and Solaris servers
• Enhanced Linux and Solaris system monitoring with deploying Oracle OSWatcher
• Integrated NetApp, SAN, NFS, web, application and database servers.
• Administrate and maintain the security, authorized access, operation, availability, audit, backup, failover, SMF of Linux and Solaris Production/Dev/Acceptance Database, Application and Web servers, SAN, and clustered NFS servers in 2 big Data centers.
• Supported NSF Development, DBA, and Testing teams and NSF users.
• On-call support and NSF application code migration support
• Developed a lot of advanced useful shell scripts and tools running on Linux and Solaris to collect server inventory data, and to monitor system resources, etc.
• Trouble-shoot access, applications, OS and hardware problems

System administrator and Shell script developer

Confidential, Reston, VA

Responsibilities:

• Worked as a System administrator in RFID/RF-ITV U.S Army project
• Followed DoD/Army security standards in RFID/RF-ITV project
• Applied DoD STIG (UNIX Security Technical Implementation Guide) procedures, ran SRR scripts, and fixed any security findings to ensure secure settings and data in Sun Solaris servers (V240, V280R, V440, V445, V880, V890, T5140, T5240, Ultra, etc …), Linux servers, workstations, and client computers in the Network
• Kept track IAVA/B/T security issues; and found solutions to make sure the servers and the workstations are IA compliance
• Installed Solaris OS, Linux RedHat OS, partitioning disks, and configured the servers and the workstations
• Created and maintained disk mirrors for backup/failover disks in Sun Solaris 10 servers
• Implemented SSL/HTTPS and secure Certificate to Apache Web, OAS server
• Built server virtualization, created and configured new resource pools, zones (containers) on the servers
• Regularly applied up-to-date system and security patches on Sun Solaris 10/Linux RedHat servers
• Administrated and maintained the security, authorized access, operation, availability, audit, backup, failover, SMF of Solaris 10/Linux RedHat Production/Dev/Test Database, Application and Web servers, SAN, NAS RAID5, Jumpstart servers.
• Supported Developers, Testers, DBA, and authorized customers and users of the servers
• Developed a lot of advanced useful shell scripts and tools to back up audit logs, web logs; to check file integrity, and to monitor system health, etc
• Trouble-shooted servers and application problems

System administrator/Software Integration Engineer

Confidential, Rockville, MD

Responsibilities:

• Followed all Confidential requirements and Transportation Security Solution procedures.
• Built and configured AIX, Linux and Solaris servers, and system environment for Integration Test in the labs.
• Managed test user accounts and developer user accounts in testing and development environments.
• Integrated ERAM and AFSS system and their components into all AIX, Solaris and Linux servers for testing.
• Developed UNIX Korn, Bourne and C shell script programs and tools to perform automatic query, collecting data, comparation, system tuning and analysis.
• Tested Early Software Integration and Factory Acceptance Test.

System Engineer and System Administrator

Confidential

Responsibilities:

• Worked on various tier software, system models and various environments
• Planed on hardware and software capacity of UNIX servers
• Installed, configured and maintained UNIX workstations, servers, and Web servers in support of 24x7 business processing requirements and clustered environment
• Performed software installations and upgrades to HP/Compaq Tru64, LINUX, HP UNIX, AIX UNIX, SUN Solaris Operating systems and layered software packages and applied patches
• Solved system and environment problems, monitored and tuned the system to achieve the optimum level of performance by using commands, tools and shell script programming.
• Provided support to Oracle RDBMS DBA and staff and management
• Provided technical assistance and systems operation support

Software Quality Engineer/System Test Engineer/Quality Assurance Engineer

Confidential

Responsibilities:

• Tested systems and applications on NT, UNIX and MVS environments
• Thorough understanding of software development lifecycle and software test processes
• Worked in large-scale computer environments, multiple-system interdependencies and medium to large projects.
• Provided in-depth system requirements analysis to determine testability of the applications and systems
• Reviewed system designs, and user guides for QA purposes.
• Configured test environment for customers and advised users how to use system
• Attended several technical conferences between client and Confidential, Inc
• Designed well-structured Test Plans and detailed test cases.
• Tested applications and systems with different releases and different types such as new features test, new release verification test or regression test.
• Developed and performed data analysis, data validation, verification, multi-unit test (MUT) and acceptance test (ACT)