OBJECTIVE:

Seeking a varied and challenging system administration position requiring new and creative applications of technology to solve functional problems.

SUMMARY:

• Around 7 years of experience in Linux administration, webhosting and Telecom industry. Can offer a diverse and eclectic background in system administration; Shell scripting, NOC management, consulting, customer support, and internal help desk support. Demonstrated proficiency in optimization of legacy projects, Xen virtualization, software development, mass RedHat - based deployments, Weblogic administration/deployments, qmail clusters, NOC management in 24-hour support environments.
• Expertise in Unix, Red Hat Linux Enterprise 4, 5, Solaris 8, 9, 10, Networking, Programming(Shell and Perl scripting), Databases, Software, and Hardware.
• Experience working in Oracle 10G and 11G.
• Proven expertise in VERITAS Volume Manager, VERITAS Cluster Server and VERITAS Foundation Suite.
• Experience includes installation, configuration and maintenance of Applications on Solaris, Red Hat Enterprise Linux, different flavors of Unix and all versions of Windows.
• Around 7 years of professional IT experience as a System Administrator.
• Maintain Mission Critical Enterprise Applications in 24X7 production environment
• Installing, Configuring and Maintaining DNS, NIS, NFS and Auto FS.
• Hands on experience in administration and maintenance of application services like DNS,
• Mail, HTTP, Apache Tomcat, Squid, DHCP, SMTP, FTP, NIS, NIS+ and NFS.
• Shell Scripting to automate the system administration tasks and performance tuning.
• Good understanding with web services such as HTML, XML, JBoss.
• Implemented and enhanced scripts using Korn, C shell, Bash and Perl Scripting.
• Administering and providing support for end-users, developers, software installation and trouble-shooting.
• Performed kernel tuning, performance tuning for different web and java related applications on RHEL and Solaris Servers
• Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on various SAN Products like EMC Symmetrix, Clariion.
• Exposure to Veritas NetBackup and disaster recovery planning.
• Experience in installation, configuration and administration of Jumpstart servers.
• Provided 24 hour production support that involved maintenance of disk failures, system failures, application software failures, etc, in the environment.
• Effective communication skills developed through continuous interaction with global clients and management.
• Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a fast pace environment.
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance, creating new Slices with format and creating huge Slices with Daisy Chains.
• Used Jump start to automate Solaris OS Installation

SKILLS AND KEYWORDS:

Bash, Shell, Citrix, Xen, RPM, RSA, SecurID, CPAN, Centos, RedHat Enterprise Linux, RHEL, Red Hat Linux, Fedora, Yum, mod perl, TCP/IP, Wordpress, qmail, sendmail, apache, bind, Tomcat, Weblogic, vpopmail, postfix, Courier-IMAP, memcached, Cacti, Subversion, CVS, MS Office, MySQL, MSSQL, Disaster recovery. Load balancing, Weblogic, SAN, NAS, Telnet, Squid. Proftpd, Wu-ftpd, Sftpd, ftpd, bind or named, NAT, Masquerade, connection tracking, iptables, ipchains, ipfw, Openvpn, IP Sec, pptp, Sendmail, Postfix, Qmail. pop3d, courier. John The Ripper, nmap, SSH, SSL, TLS, TCP Wrappers, tcpdump, chkrootkit, Antivirus software for mail servers, SPAM filtering, SPF, Spamassassin, domain keys, DDoS defense, MySQL, Postgres, Oracle, NFS, Samba, Nagios, UC4.

EXPERIENCE:

Senior Systems engineer

Confidential, Denver, CO

Responsibilities:

• Day to day ongoing support of Confidential billing software and other applications running in Linux servers.
• Managing server migration activities
• Managing and coordinating production releases.
• Involved in the Installation of Weblogic and deploying applications (war and ear files) in the Weblogic clusters.
• Contributed to documentation of existing processes as well as creation of new Processes documentation to facilitate efficiency of the team and increase customer Satisfaction.
• Analyzing the memory consumption and performance of various servers
• Troubleshoot and resolve problems as required 24x7 and serve as one of the highest levels of escalation for network and security issues.
• Responsible for Development, deployment, integration and programming f infrastructure monitoring tool nagios
• Involved in Server Validation and setup of Production servers
• Creating new alarms in Nagios using bash scripting for monitoring custom scripts and processes
• Responsible for scheduling UC4 jobs and configuration it.
• Involved in the memory analysis of Linux servers and monitoring.
• Involved in the requirement Analysis of Confidential internal projects and Time
• Estimation for completing a particular task
• Involved in Script automation tools to make work faster and more accurate
• Involved in issue Analysis of Confidential production servers by checking the log files
• Troubleshoots operational problems by reviewing logs, correlating with process flow and network diagrams
• Interaction with various teams within the organization to solve different issues.
• Resolving tickets opened by customers after troubleshooting it.
• Involving in day today billing activity.
• Investigating call data duplicates and removing them if necessary.
• Managing the release activity and coordinating them.
• Writing SQLs to check the performance of the engine, troubleshooting customer related issues etc.
• Worked with application team to load their app to servers
• Troubleshooting and analysis of hardware and software failures for various UNIX servers

Environment: Solaris 10, Red Hat Enterprise Linux 5, VMWARE, Puppet, Weblogic, ApacheOracle

Senior Systems engineer

Confidential Denver, CO

Responsibilities:

• Day to day ongoing support of Confidential billing software and other applications running in Linux servers.
• Involved in the Installation of Weblogic and deploying applications (war and ear files) in the Weblogic clusters.
• Contributed to documentation of existing processes as well as creation of new Processes documentation to facilitate efficiency of the team and increase customer Satisfaction.
• Analyzing the memory consumption and performance of various servers
• Troubleshoot and resolve problems as required 24x7 and serve as one of the highest levels of escalation for network and security issues.
• Responsible for Development, deployment, integration and programming f infrastructure monitoring tool nagios
• Involved in Server Validation and setup of Production servers
• Creating new alarms in Nagios using bash scripting for monitoring custom scripts and processes
• Responsible for scheduling UC4 jobs and configuration it.
• Involved in the memory analysis of Linux servers and monitoring.
• Involved in the requirement Analysis of Confidential internal projects and Time
• Estimation for completing a particular task
• Involved in Script automation tools to make work faster and more accurate
• Involved in issue Analysis of Confidential production servers by checking the log files
• Troubleshoots operational problems by reviewing logs, correlating with process flow and network diagrams
• Interaction with various teams within the organization to solve different issues.
• Resolving tickets opened by customers after troubleshooting it.
• Involving in day today billing activity.
• Investigating call data duplicates and removing them if necessary.
• Managing the release activity and coordinating them.
• Writing SQLs to check the performance of the engine, troubleshooting customer related issues etc.
• Worked with application team to load their app to servers
• Troubleshooting and analysis of hardware and software failures for various UNIX servers

Environment: Solaris 10, Red Hat Enterprise Linux 5, VMWARE, Puppet, Weblogic, Apache, Oracle

Senior Systems Engineer

Confidential

Responsibilities:

• Installed and configured of hardware and OS (Solaris 10 and RHEL 4.6) on servers.
• Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experienced using VMware ESX server instances for virtual server setup & deployment
• Responsible for server migrations from closing data center including forklift and hardware technical refresh.
• Build, configuration and deployment of 14 Jump start servers across various data centers in North America.
• Build a two-node clustered master server using VCS and connected to existing Netbackup environment.
• Build servers for infrastructure support at two strategic data centers.
• Configured Kick start server to install Red Hat Linux on multiple machines
• Used Bladelogic to upgrade Solaris and Linux operating systems. Written Bladelogic scripts to create flar images for solaris servers. Also used bladelogic to build new solaris and Linux servers
• Installed KEON on new installs and 300+ production servers during the change management window. Administration of windows terminal services for the users to access data over network
• Installation of OAS (Oracle Application Server) on Solaris 9 and its configuration with oracle database
• Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
• Installed, configured and Operating System upgrade on Sun Solaris 8, 9 and 10 and AIX from 5.3 to 6.1.
• Performed patch research, patch installation, Patch upgrades and packages installation on Sun Solaris Servers.
• Firmware upgrade on T2000, T5220, T5240, T5120 and T5140 and VTM patch on Solaris Servers.
• Responsible for troubleshooting and maintenance of VERITAS cluster under Solaris 10.
• Installation and Maintenance of Tibco Hawk RVD/RVRD agents on UNIX servers.
• Customizing hawk rule and core Rules on Unix servers.
• Installation and maintenance of Syswatch Monitoring tool in Solaris Server, wring core rules to various Solaris servers.
• Involved in troubleshooting, repair, escalation & problem resolution of the Tibco hawk, Syswatch and swatch.
• Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools.
• Performed SAN software upgrade on Solaris 8, 9 and 10 servers.
• Responsible for updating filesets and LPARs in AIX periodically.
• Configuration of LOFS file system on Solaris 10 servers
• Detecting System Failure, Resource Failure and hardware failure on Solaris and AIX platforms
• Networking communication skills and protocols such as TCP/IP, Telnet, ftp, SSH, rlogin
• Supporting 24/7 for all web-hosting applications ETL application and on Solaris and AIX server.

Environment: Solaris 10, Red Hat Enterprise Linux 5, BladeLogic, VERITAS NetBackupSun Enterprise Servers T5240/T2000/T5120, M9000, M5000, V490/880/890, E2900, IBM x3650 M3, Fujitsu PrimePower 250/450/650/850 , TCP/IP, HTTP, EMC PowerPath, EMC Symmetrix/DMX/VMAX, Oracle and VMware ESX

Senior Software Engineer

Confidential

Responsibilities:

• Installed and configured of hardware and OS (Solaris 10 and RHEL 4.6) on servers.
• Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experienced using VMware ESX server instances for virtual server setup & deployment
• Responsible for server migrations from closing data center including forklift.
• Build, configuration and deployment of 14 Jump start servers across various data centers in North America.
• Build a two-node clustered master server using VCS and connected to existing Netbackup environment.
• Build servers for infrastructure support at two strategic data centers.
• Configured Kick start server to install Red Hat Linux on multiple machines
• Installed KEON on new installs and 300+ production servers during the change management window. Administration of windows terminal services for the users to access data over network
• Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
• Created disk groups, volumes, volume groups and RAIDs using VERITAS Volume Manager.
• Experience working with Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase database.
• Build out the KEON infrastructure by adding the Tivoli, ESM, Opsware tools etc.,
• Disk mirroring and RAID implementation using VERITAS Volume Manager and Solaris Volume Manager.
• Installed VERITAS Volume Manager and Powerpath on Red hat Linux servers.
• Troubleshooting and analysis of hardware and software failures for various UNIX servers.
• Worked with application team to load their app to servers, created test environment for Oracle DBA team.
• Provided server remediation to ensure all vulnerabilities have been addressed.
• Engaged in the Build, Test, Implementation, Application and pre-production checklist.
• Verified the disk layout and packages against the supplied build sheet and took necessary actions.
• Provided support for Opsware Server Automation System (SAS), ESM agent installation and setup and scanned agents for compliance with OS Security Standards and necessary actions to scan green.
• Installed Sun MC 3.6 agent to facilitate quick and easy deployment of Net-SNMP.
• Created a functional account on servers to be used by Tideway system to automatically gather inventory information. Cron configuration and sendmail setup.
• Experience in configuration of Tivoli agent and verified and troubleshooting of consoles.
• Collected inventory details and updated all inventory records.
• Created new slices, mounted new file systems and unmounted file systems.
• Documented installation procedures, changes required in present environment.
• Took part in brainstorming sessions to improve and standardize the processes followed by the implementation team globally across the organization.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Sun Solaris 10/9, Red hat Linux 4.6, VERITAS Volume Manager 5.0, VERITAS Net backup 6.5, VERITAS Cluster Server 5.0, Solaris Volume Manager, Enterprise Security Manager, Opsware, Info Vista, Tideway, Tivoli, Powerpath, Sun Management Center 3.6.1, Sun SPARC Enterprise T5240/T2000, HP-DL585-G5, Sun Fire v210/v440/v480, Apache Tomcat, boss, Pentium PCs, Sybase, Oracle, Perl