SUMMARY

• 6+ Years of experience as Linux System Engineer working on VM Ware, Red hat Linux, SUSE Linux, Ubuntu, Solaris, AIX, Cent OS, Unix Administration, HP - UX, OEL and windows environments with HP cloud service Automation.
• Experience in System Administration, Cloud Technologies, System planning, co-ordination, group level and user level management.
• Experience in Installation and Implementation of Red hat Linux and SUSE Linux.
• Expertise in Installation, Configuration of Package and Patch Management through Red hat Satellite Server.
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Experience with Virtualization technologies like installing, configuring, VMware vSphere. Creation, management, administration and maintenance of virtual servers and clients.
• Experience in administering VSphere 4.0,5.1,5.5.
• Experience in Networking configuration & Security Configuration on ESX Host.
• Experience with x86 / x64Intel, HP, IBM & Dell hardware like rack-mounted servers, tower servers, desktop,laptop and other peripherals.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Installing, upgrading and configuring SUN Solaris 7, 8, 9 and 10 on Sun Servers Using Jumpstart Servers and Red hat 4.x, 5.x, 6.x on DELL DRAC, VMware using Kick Start and Interactive Installation
• Involved in migration and consolidation of Unix/Linux Servers in Production data center.
• Involved in Planning, documenting, and supporting high availability, data replication, business persistence, failover, and failback using VERITAS Cluster Server 3.x/4.x, sun cluster server in SAN environment.
• Experience in Installation of Oracle and My SQL.
• Experience in Network Configuration and Troubleshooting using TCP/IP.
• Experience in scripting for automation and monitoring using Shell,PHP,Python and Perl Scripts.
• Experience in Day to Day Ticket Resolving and submitting CRQ based on user Requirement.
• Experience in using Automation tools like Puppet.
• Competent in troubleshooting a broad range of hardware issues, fault analysis.
• Resolving system errors and crashes, huge file sizes, file system full errors and Installing Network Printers and rectifying the Printer problems over the network.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Independent problem solving and a good team player with strong interpersonal and communication skills.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux ES & Centos OS 4.X, 5.X, 6.X & 7.X, Ubuntu 10.X, Solaris 9,10, 11, Windows2K, XP, 2003, NT, 2008, 2012 and 6, AIX 7, HP-UX 11.23

OS Administration: RedHat 5.X 6.X,7.X Linux administration, Solaris 9, 10 Administration

Scripting Tools: Shell, Perl, Python, Ruby,PHP.

Languages: C++,Java, XML,HTML,Java Script.

Scheduling Tools: Autosys, crontab

Application servers: WAS 7.X, 8.X JBoss AS 5.x, 6.x, 7.x and JBoss EAP 5.x, 6.x

Web Servers: Apache(httpd), apache-tomcat and Apache http server

E-Mail servers: Sendmail, Postfix, Zimbra Monitoring Nagios, ZABBIX, Splunk

Networking: DNS, DHCP, TCP/IP, SMTP, LDAP

Third Party Tools: Puppet, Chef, Jenkins, Various DevOps Tools

Virtualization tools: VMWare vsphere, ESX 5.x/6.0 IBM RS/6000 P-Series servers (p795, p770, p595, p590, p570, p550, p520) JS21 and JS20 Blade Servers, HP, Sun Enterprise … server, Sun Sparc Ultra

PROFESSIONAL EXPERIENCE

Confidential, Annandale, VA

Linux/Unix Administrator

Responsibilities:

• Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using Kickstart server as required for the project.
• Installed configured, and managed VMware vSphere environment: vCenter, App-V, Site Recovery Manager (SRM), virtual machines, datastore creation and maintenance
• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/ Staging.
• Regular disk management like adding and replacing hot swappable drives on existing servers, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, and BEA Web logic.
• Configured VERITAS Volume Manager for file system management on Sun Solaris environment.
• Configured vSphere Distributed Switch (VDS), VMware NSX, VMware Distributed Resource Scheduling.
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and Auto Fs File systems.
• Installed and configured VERITAS NetBackup on Solaris Severs and performed backups using VERITAS Net Backup.
• Configured backup/archive policies using Tivoli Storage Manager backup utility, and images of root volume group to meet data archiving requirements, and disaster recovery readiness.
• Provided advance troubleshooting support and problem resolution of the entire Virtualization Infrastructure.
• Involved in volume management and path management using software tools LVM,MPI and EMC.
• Extensively used navigating commands to find out home directory,contents, moving file systems and Viewing files regularly.
• Assisted developers in troubleshooting Application Issues.
• Involved in maintaining,configuring,upgrading and administering hardware and software independently in work station support and also in network administration.
• Involved in server administration business continuity information security, network connectivity and SAN administration and evaluated standard procedures and approaches to the problems encountered .
• Provided trouble shooting for OS platforms such as Microsoft 2003, 2008 & 2012.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance, using OpsCenter and Satellite.
• Participated in Business continuing planning activities in order to maintain Accounts payable, Point of Sale and Inventory.
• Used EMC SRDF for facilitating disaster recovery for DB2 for Linux and Unix systems.
• Involved in Planning, building and administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS.
• Involved in In-depth understanding of Microsoft Active Directory,Creation of Users group creations designs and implementation.
• Implemented SUDO, SSH and other security tools and implemented PCI and SOX (Sarbanes Oxley) security compliance.
• Worked with other IT teams, customers (users), and other managers in helping build and implement systems and standards.

Environment: Solaris 8/9/10, Red Hat Linux 4/5/6, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, HPSA, Satellite, BEA Web logic servers, SAN Storage, Apache, Tomcat, WebSphere, Weblogic application server

Confidential, Beachwood, OH

Linux/Unix Administrator

Responsibilities:

• Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using Kickstart server as required for the project.
• Installed configured, and managed VMware vSphere environment: vCenter, App-V, Site Recovery Manager (SRM), virtual machines, datastore creation and maintenance
• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/ Staging.
• Regular disk management like adding and replacing hot swappable drives on existing servers, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, and BEA Web logic.
• Configured VERITAS Volume Manager for file system management on Sun Solaris environment.
• Performed Configuration Management with Kickstart,Puppet and Spacewalk.
• Configured vSphere Distributed Switch (VDS), VMware NSX, VMware Distributed Resource Scheduling.
• Installed, configured and maintained apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Involved in Wi-Fi development and debugging for L1/L2.
• Day to Day update on Wi-Fi performance optimization.
• Performing OS upgrades on Unix Servers.
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and Auto Fs File systems.
• Configured NTP server for the Unix Environment Servers.
• Support day to day operations of Unix/Linux Servers.
• Installed and configured VERITAS NetBackup on Solaris Severs and performed backups using VERITAS Net Backup.
• Responsible for all Unix admin needs for Dev/Testing/DBA teams within Organization.
• Configured backup/archive policies using Tivoli Storage Manager backup utility, and images of root volume group to meet data archiving requirements, and disaster recovery readiness.
• Provided advance troubleshooting support and problem resolution of the entire Virtualization Infrastructure.
• Provided trouble shooting for OS platforms such as Microsoft 2003, 2008 & 2012.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance, using OpsCenter and Satellite.
• Involved in Planning, building and administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS.
• Involved in providing technical assistance to trouble shoot customer issues.
• Implemented SUDO, SSH and other security tools and implemented PCI and SOX (Sarbanes Oxley) security compliance.
• Worked with other IT teams, customers (users), and other managers in helping build and implement systems and standards.

Environment: Solaris 8/9/10, Red Hat Linux 4/5/6, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting,Puppet, Veritas Volume Manager, web servers, LDAP directory, HPSA, Satellite, BEA Web logic servers,Kanban board, SAN Storage, Apache, Tomcat, WebSphere, Weblogic application server

Confidential

Systems Administrator

Responsibilities:

• Installed RHEL 3.0/4.0 using kickstart and custom building the servers.
• Installed and maintained Security issues.
• Performed all System Administration tasks like cron jobs, installing packages, and patches.
• Configured and installed Automount and Jumpstart.
• Diagnosing hardware/software problems and provide solutions.
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and Auto Fs File systems.
• Troubleshooting system, network and user issues.
• Performing tape backups, archiving and checking data integrity through Shell Scripts and job automation.
• Supported back office systems environments.
• Testing and upgrading production, development and test Linux and Solaris servers.
• Additional responsibilities include schedule and administration of server backups, setup and administration of network and ms mail accounts.
• Troubleshooting various problems related to VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices on various Production Boxes.
• Maintaining production critical servers running Solaris UNIX, Linux supporting Oracle database and Web services. Providing 24x7 supports.
• Worked efficiently using Veritas NetBackup on development and production servers for backups and restores.
• Created LVMs on Linux servers.
• Writing Shell Scripts for managing day-to-day transactions & for automation of routine tasks.

Environment: HP Proliantservers, SUN Servers (6500, 4500, 420, Ultra 2 Servers), Solaris 7/8, Veritas NetBackup, Veritas Volume Manager, Samba, NFS, NIS, LVM, Linux, Shell Programming

LINUX Administrator

Responsibilities:

• Administered, maintained Red Hat 3.0, 4.0, 5.0, AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues; Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL databases in both development and production.
• Experience in implementing and configuring network services such as HTTP, DHCP, and TFTP.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Experienced working with Preload Assist and PICS projects.
• Installing and setting up Oracle9i on Linux for the development team.
• Migrated database applications from Windows 2000 Server to Linux server.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• Capacity Planning, Infrastructure design and ordering systems.
• Created users, manage user permissions, maintain User & File System quota on Red hat Linux.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
• Diagnosed hardware and software problems and provided solution to them.
• Updated data in inventory management package for Software and Hardware products.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.
• Bash shell-scripts to automate routine activities.
• Monitored trouble ticket queue to attend user and system calls.

Environment: Red Hat Linux 3.0,4.0,5.0 AS ES, HP-DL585, Oracle 9i/10g, Samba, VMware Tomcat 3.x,4.x,5.x, Apache Server 1.x,2.x, Bash