PROFESSIONAL SUMMARY:

• A System Administrator with 7 years of progressive experience on Linux - RedHat, SUSE, Solaris and Windows environments.
• Carrying out administrative task periodically such as cleaning of system log file, removing temp files, checking filesystem, scheduling jobs, create user accounts, installing packages and handling tickets.
• Planning, Installation, Configuration, Maintenance and Administration of Servers in testing, development and production environments.
• Configuration and administration of Fiber card Adapter’s and handling SAN (SAN arrays HITACHI, EMC) and Network Area Storage (NAS).
• Hands on experience in creating and setting partition type for primary, extended, and logical partitions.
• Extensive hands on experience in creating, removing and resizing physical volumes, volume groups, and logical volumes.
• Creation of ext2, ext3, and ext4 file systems and mounting them permanently. Experience includes mount and unmount of network file systems including OCFS, CIFS and NFS.
• Extended knowledge in creation of hard link and soft link; archiving, compress ing, and uncompress ing files using tar and gzip.
• Shell Scripting to automate system maintenance tasks and scheduled cron jobs for job automation.
• Installed and updated software packages from Red Hat Network and from the local file system.
• Configured Linux-based Virtualization implementations with VMware vSphere Client.
• Network services configuration including HTTP/HTTPS, DNS, FTP, NFS, SMB, SMTP, SSH and NTP.
• Experienced in configuring firewall and iptables to implement packet filtering and configure network address translation (NAT).
• Configuration of SELinux to support the service for operation.
• Managing Access Control Lists (ACLs), changing ownership and permissions to the required files and directories and configuration of set-GID directories for collaboration.
• Performed User Administration, Hardware setup and supported Linux Servers hosting Oracle databases .
• Managing user accounts to access multiple applications through single sign on via Central Authentication Services (CAS), Vintella Authentication Services (VAS ) and Lightweight Active Directory (LDAP ).
• Installation of Patches, Security fixes, Packages, on Solaris and AIX Servers.
• Conducted AIX and Linux System security Auditing, Performance Monitoring and Tuning.
• Experience in Migration of HACMP 5.4.1/5.5 to HACMP 6.1 using Node-by-Node migration without changing the cluster setup.
• Experience in implementing the Workload Management (WLM) using Cloning and Clustering.
• Experience with enterprise class storage including SCSI, RAID and Fiber-Channel technologies .
• Installation, Configuration and Administration of HP Data Protector & VERITAS Netback up.
• Monitoring system Access and Monitoring servers by using tools like Tivoli, ESM, Nagios and Concord.
• Maintain and use NIM Master for installs and upgrades. Plan and implement service updates.
• Acquired good knowledge of documenting, software usage procedures, network diagrams and project documentation.
• Possess strong attitude with the ability to be assertive analytical skills for decision-making and business oriented user interface .
• Strong planner and organizer with demonstrated ability to develop business solutions that increase efficiency and productivity.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.

TECHNICAL SKILLS:

Operating Systems: Linux (Red Hat 4.x,5.x,6.x, SUSE Linux Enterprise Server 9 and 10), IBM AIX 5.2/5.3/6.1, Windows Server 2000/2003/2008 , VMware ESX 2.x,3.x, ESXi 4.x 5.x Solaris 8, 9, 10

Hardware: IBM RS/6000, pSeries 590, 595, S80, and H80, IBM ESS (Enterprise Storage Server), IBM-z/VM series, Automated Tape Library, Brocade, SunFire T5120, T5240, E2900, E4900, HP DL 380s and 580s, EMC Symmetrix, Hitachi arrays, Backup Devices, Ethernet Hubs, Routers, Repeaters, Printers, DELL Poweredge 2950, 6950, R410, R510

Web/Application Servers: Websphere Application Server (WAS), MQSeries, WebLogic, JBoss Server, Apache HTTPD, Tomcat, Java Script, JSP, Servlets, EJB, HTML, DHTML, XML

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP

RDBMS: UDB2, Oracle 9i/10g/11g, MS-SQL Server 7.0/6.5 and MS-Access 97/95

Programming Languages: C, C++, Java, Servlets, Jsp, EJB, VB, JavaScript, HTML, Perl and Shell Scripting (Bash, Korn, AWK)

Applications: HACMP, Samba, Veritas NetBackup, Veritas Volume Manager, LVM

PROFESSIONAL EXPERIENCE:

Confidential

Responsibilities:

• Configured Linux-based Virtualization implementations with VMware vSphere Client .
• Network services configuration including HTTP/HTTPS, DNS, FTP, NFS, SMB, SMTP, SSH and NTP.
• Experienced in configuring firewall and iptables to implement packet filtering and configure network address translation (NAT).
• Configuration of SELinux to support the service for operation.
• Managing Access Control Lists (ACLs), changing ownership and permissions to the required files and directories and configuration of set-GID directories for collaboration.
• Performed User Administration, Hardware setup and supported Linux Servers hosting Oracle databases .
• Managing user accounts to access multiple applications through single sign on via Central Authentication Services (CAS), Vintella Authentication Services (VAS ) and Lightweight Active Directory (LDAP ).
• Installation of Patches, Security fixes, Packages, on Solaris and AIX Servers.
• Conducted AIX and Linux System security Auditing, Performance Monitoring and Tuning.
• Experience in Migration of HACMP 5.4.1/5.5 to HACMP 6.1 using Node-by-Node migration without changing the cluster setup.
• Experience in implementing the Workload Management (WLM) using Cloning and Clustering.
• Experience with enterprise class storage including SCSI, RAID and Fiber-Channel technologies .
• Installation, Configuration and Administration of HP Data Protector & VERITAS Netback up.