Manager System Administrator
Resume:
RAKESH KUMAR
acxp6y@r.postjobfree.com
Summary
B. Tech in Computer Science - TRR Engineering College - Affiliated to J.N.T.U, Hyderabad 2008.
Over 8 years of IT industry experience in Solaris system administration and production support of various applications on Sun Solaris and Windows environment.
Worked extensively in planning, designing, installing, migrating and configuration and implementing on Sun Solaris 9, 10, 11 and RHEL 3,4,5,6.
Possess good experience using jumpstart servers for the purpose of installing, upgrade and configuring Linux servers via kickstart.
Experienced in monitoring and administering Sun Solaris servers and clients in open systems environment on Enterprise class servers for operating systems, software patches, hardware and drivers.
Highly experienced in implementing Raid’s 0/1/5 using Veritas Volume Manager, LVM, SVM and ZFS.
Worked extensively in on different tools like Veritas Volume Manager, Veritas file system, Veritas Cluster, Veritas Net Backup and Disk suite for disk Management.
Experience in User Management, Group Management and R-Utilities, Telnet and FTP.
Proven experience in configuring and maintain Zones and LDOMS on E15, E20k servers.
Experienced in configuring and administering NFS, NIS, FTP and LDAP with very good understanding of networking protocols such as TCP/IP, DNS and SMTP.
Experienced with SAN, NAS and storage administration, with EMC Clarion & DMX storage administration. Configured Sun Multi-Packs, Storage Arrays, T3’s and SAN backup for disaster recovery.
Provided support for multi-path Fiber Channel storage systems, as well as Solaris servers configured with multiple Fiber Channel (FC), Host Bus Adapters (HBA) on a Storage Area Network (SAN).
Excellent skills in analyzing, designing, implementing and system integration, knowledge on switches, Routers and Firewalls.
Technical Skills
Hardware
HP-Blade servers, Dell PowerEdge, Fujitsu Primepower, Sun Fire 280R/V480/4800/3800/12K Server, Sun Enterprise 4500/6500/450/420R/250 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10, IBM RS/6000 and pSeries, DEC DS20, ES40
Web Application Server
Tomcat, Apache, IBM RSA/WAS, WebLogic.
Database
Oracle, DB2/UDB, AS/400, Sybase.
Languages
SQL, PL SQL, Java, C, C++, JavaScript, Shell, UNIX
Operating System
Windows 95/98/2000/XP, Windows NT, UNIX, Sun Solaris, LINUX
Clusters
Veritas Cluster, Sun cluster.
Experience
Bechtel Corporation (Aug 2014 – Present)
Commack, NY
System Administrator
Installation of RHEL 5.0/6.0 and Solaris 10 using kickstart/jumpstart and custom building the servers.
Migration of servers for DC consolidation and tech-refreshes.
Providing 24/7 support for on-call on Solaris, RHEL and AIX environments.
Jumpstart (JET) and kickstart for server builds
Creating and managing of filesystem with SVM, Veritas Volume Manager, Veritas File systems, LVM, ZFS in the production, test and Development environments.
Worked on installing and configuring Sun Solaris using jumpstart, Red Hat Enterprise Linux using Kickstart.
Server hardening per PCI, SAS70 and SOX / DSS standards
Key member in server migration, data-center consolidation and data-center migration project
Maintained the Unix-based server infrastructure Kernel/firm ware, OS patches and maintenance level releases.
Scripting on shell (and perl) languages
Applying patches to the servers using Redhat Satellite server and yum repositories.
Installation and configuration Veritas NetBackup 6.5 on Sun/Linux Severs and performing backup, upgraded Veritas Netbackup from 3.x 5o 5.x
Created VMware Virtual machines using vSphere and installed Red Hat Linux 5x/6 on the VMs and standalone Dell servers.
Installed/configured EMC Storage with 0, 1 and 5, 10 RAID configurations
User management and enforcing password policies
Ring in changes in production following ITIL standards under Change control mechanism.
Configuration and troubleshooting of Veritas Filesystems having multiple disk groups for Veritas Volumes and performed Disk group administration on SAN LUNs using Veritas Volume Manager.
Performed performance troubleshooting, kernel tuning and daily administrative work on Solaris and RHEL OSes.
CITI Group (Mar 2011 – Jul 2014)
Tampa, Florida
System Administrator
Installation, configuration and Operating System upgrade on Sun Solaris 9, 10, AIX 5.X and Red Hat Linux AS 4.0/5.0 on sun Servers
JET upgrade for jumpstart servers of Solaris builds
Scripting for passwordless ssh to multiple servers
Troubleshooting performance and functionality problems on RHEL and Solaris platforms
Managing disk storage using Veritas Volume Manager 4.1/5.0 and Solaris Volume Manager.
Upgrading Veritas Volume Manager from 4.1 to 5.0
Installing HBA drivers, firmware and Powerpath software in Production, Development and QA servers.
Administering of High Availability Veritas Cluster Servers for redundancy purpose.
Managing data backup and recovery operations using Veritas Netbackup.
Configured volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM) commands.
Creating Resource pools and processor sets for zones.
Installation and configuration of Solaris Zones and LDOMs.
Coordinating with Tivoli team for setting automated alerts which include OS related alerts and Application alerts.
Administration and Troubleshooting Solaris servers running business critical application & Websphere 5.1/6.1 applications.
Management of user accounts and groups according to the security needs.
Upgrading Solaris kernel and applying necessary patches.
Performing online addition of LUNS to the servers for provisioning disk space, and resizing file systems.
Upgrading service controller firmware on T2000/T5220 servers.
Installing BMC package for data collection, Tivoli package for monitoring, ESM package for monitoring configuration files and troubleshooting.
Involved in data center migration, SAN switch and SAN storage migration.
Monitoring system resources, disk usage, scheduling backups and restore.
Performed root cause analysis of technical issues.
Configuring and troubleshooting NFS, FTP and SSH for users.
TIAA-CREF (Feb 2009- Feb 2011)
Charlotte, North Carolina
Unix System Administrator
Performed system administration of UNIX servers by using Operating Systems of Solaris 2.7/8.
Managing SUN Solaris, Compaq and Linux workstations and servers.
Installation of patches and other software packages
Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
Configuration of Hardware and Software RAID on Digital & Sun Servers
Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
Installation and configuration of Oracle 7.x/8.x
Performed the administration of the Domain Name Server and configuration of the Database Files.
Troubleshooting Backup and Restore problems and performed Day-to-Day trouble shooting for the end users on Solaris based applications.
Performed OS upgrades and Patch loading as and when required.
Backing up and restoring files across the network
Responsible for Installation of various software components on several servers.
Installed and Configured Sendmail Utility on Sun UNIX Servers.
Administering NFS Mounts.
Troubleshooting Backup and Restore problems.
Nucleus Software (May 2008 – Jan 2009)
Noida (India)
System Administrator
Upgrade of Veritas 3.2/3.5/4.0 to Veritas 4.1 version on Solaris 8 and 9 servers
Experience in configuring of Sybase and oracle database resources under veritas cluster 4.1
Experience with handling of resource groups and service groups in the cluster environment
Configuration of virtual IPs as per client’s request
Provided 24x7 on call support on rotational basis
Handling CPU panic, memory problems and other hardware failures with coordination of vendors.
Performed SAN allocation to the Solaris servers depending on the requirements of the client.
Configuring various applications and products on a wide range of Sun Enterprise servers
Experience with Veritas Volume manager and File system
Installation of packages and patches on Solaris, and AIX servers.
Performed firmware upgrade on the pseries AIX servers
Upgraded the AIX systems Maintenance levels
Installation and configuration of Sun Solaris operating systems
Using various monitoring tools like top, sar, vmstat for tuning the systems for maximum efficiency.
Maintained records for hardware, status of backup and also documented procedures.
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