SUMMARY

• Twelve years of experience in the IT field, with hands - on expertise in installation, monitoring, vendor liaison, technical support, system security, networking, system and application integration as Unix Administrator in multiplatform environments like Unix, Linux, and/or FreeBSD; with occasional stints managing Windows domain, mail and collaboration environments.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 7/8/9/10, Redhat 3/4/5/6, FreeBSD, Centos, Debian, SUSE Linux 5, IBM AIX5, Windows XP/ 2000/2003/2008

Languages: HTML, bat, tcsh, bash

Networking: TCP/IP, LAN/WAN, VPN, ISCSI, FC, NFS, DNS, LDAP, FTP, sFTP, vSFTP

Applications: CollabNet - Teamforce, PostgreSQL, MySQL, Apache 1.3/2.x, Microsoft Office products, IIS, iPlanet, Sendmail, ZFS, VxVm, Solaris Disk Suite, LVM, Active Directory, Exchange, Sharepoint, MOSS, WSUS, Legato 7.0-7.3, Veritas BackupExe 8-11 and Netbackup, Microsoft SQL 2000, Oracle 10g DB, Oracle 10g Client, Oracle 10g AS, Tomcat, Gfi Mail Security, Solaris Containers, Track-IT, Weblogic-OHS, F5

PROFESSIONAL EXPERIENCE

Confidential, Reston, VA

Linux System Administrator

Responsibilities:

• Manages and administers Solaris 10, Redhat 5 OS, Solaris Virtualization
• Sun hardware T2000, M6800, M9000, V880, V890
• Deploy software to DEV/QA and production environments.
• Analyze system logs and identify potential issues
• Perform routine audits of systems and software. Remediate and risk acceptance
• Apply operating system updates, patches, and application configuration changes.
• Install and configure new hardware and software.
• Add, remove, or update user account information, reset passwords, etc.
• Answer technical queries and assist end users.
• Perform system tuning.
• System integration with other components like F5, firewall, DB connection,

Confidential, Reston, VA

Unix System Administrator

Responsibilities:

• Maintain and administer Solaris 10 operating systems and utility software on all network computer platforms. Analyzing, designing, installing, securing, testing, scripting and documenting new operating system program utilities and hardware, and ensuring production machines are available, secure and available.
• Able to administer on Sunfire T5220, T5240, T2000, M5K, X4450, X4170; and it’s service processor (XSCF, ILOM, ALOM)
• Knowledgeable in commonly used concepts, best practices, and procedures and Experienced in Solaris performance monitoring and tuning.
• Experience with disaster recovery concepts and procedures.
• Able to discover and research root cause for Solaris server failures and security issues.
• Able to meet and commit to established project milestones and was willing to meet the needs of a 24x7 environment to include on-call.
• Able to work independently and with minimum supervision.
• Able to work with vendors to evaluate products and troubleshoot problems.
• Able to work with Windows, UNIX, DBA, Security, and assisting Network Team in troubleshooting with network security, intrusion detection and load balancers.
• Good understanding of Enterprise SAN and NAS solutions on 3-PAR SAN system.
• Knowledgeable in Sun hardware, Server Clustering 3.1 & Virtualization and SAN platforms. .

Confidential, Mclean, VA

System Administrator

Responsibilities:

• Manage/Administer RHEL 4/5, Solaris 9/10 OS and servers
• Manage/Administer Windows 2003 Servers
• Administered exchange, sharepoint servers, help desk tracking system, windows ftp server, create dev db
• Maintain and administer Linux ftpsever, CollabNet sourceforge application
• Manages and administrators Legato, Veritas 10 and DS3 - backup offsite.
• Review and Research to better the network, application, and operations. Troubleshoot OS, hardware, networking, and application issues.
• Provide IT support/helpdesk to user community of 500+.
• Manage Sanrad 3200 switches (ISCSI) and Qlogic Sanbox 5200 switches(FC). SAN storages include ATABOY, ATABOY2x and Infortrend.
• Support Development, Helpdesk and documentation
• Set up test env for CALAO project; which included rhel5 and mysql; support the dev staff.

Confidential, Sterling, VA

Linux System Administrator

Responsibilities:

• Served as Tier 3 support in Operation, supporting different projects and 2050+ servers in different locations.
• Interface with vendors, developers and other technical groups within the client. And supporting NOC and customer service.
• Coordinate with other technical staff to implement systems and software.
• Ensure proper procedures are followed and that all Service Level Agreements (SLA) are met.
• Troubleshoot OS, hardware, networking, and application issues.
• Web console experience with Weblogic.
• User administrated Jboss, Apache, MySQL, load balancers, ViPs, sendmail, and Qmail
• Install, rack, cable, maintain, and configure production, staging, quality assurance, and development environments (Linux, Solaris and Aix).
• Dell PowerEdge Variants and IBM E-Series Variant
• Documentation and update existing documents on the company Wiki.

Confidential, Hanover, VA

System Administrator

Responsibilities:

• Solaris 9 and 10 administration; User maintenance, patches: Sun Update Connection, installation, configuration and maintenance.
• Windows 2000 AD-Integrated Domain; private LAN maintenance
• Orchestrated move to T1 line
• Patching and updates for various systems.
• Installed WSUS to distribute updates to client while on the private LAN.
• Maintained Windows NT backup fileserver; Procom SAN device
• Utilized ePolicy Orchestrator from McAfee for AV updating
• Installed and maintained software license and software inventory
• Asset management
• Visited client sites to maintain environment and administration
• Installed, configured and maintained SunFire StorEdge L8 autoloader with NetWorker 7.0/7.3

Confidential, Rockville, MD

Network Administrator

Responsibilities:

• Led infrastructure projects as upgrading DC/Exchange server, RPC over HTTP/S, internal issue tracking system
• Oracle 10g R1 Databases and 10g Application jr admin
• AV and Spam prevention by installing GFI Mail Essentials anti-spam software on a gateway server of Exchange and managing the black/white list.
• Management and maintenance of systems: Solaris, SUSE, and RedHat Linux servers.
• Installing critical OS patches through WSUS
• Managing Corporate Portal (Sharepoint 2001) and Customer Portal for user creation, import export, webparts…etc; Web updates via frontpage
• PC and other equipment purchases; asset tracking and inventory
• Creating/edit documents for future network engineers
• User management: adding user, deleting, archiving old alumni pc/pst,
• Reviewing events logs and finding solution resulting from its errors
• Linux firewall
• VPN management
• Windows 2003 Active Directory in 1 forest domain administrator
• Windows 2003 Exchange administration

Confidential, Germantown, MD

Network Ops Tech

Responsibilities:

• Created and/or edit scripts to better automate the tasks.
• Responsible for network operation and ensure network connectivity. Used WhatsUp Gold To monitor network.
• Provided support to engineering and customer service department.
• Responsible to solving outages and troubleshoot problem.
• Generated and provide analyze for the data related to network performance.
• Following OS was used: Redhat, SUSE Linux, Windows 2003, freeBSD
• AD 2003, Exchange 2003