SUMMARY

• Over 8+ Years as Sun Certified System Administrator exclusively in Solaris and Linux Operating environment with expertise in Veritas.
• Experienced in configuration & maintaining Veritas Cluster server, Veritas volume manager and Veritas file system.
• Involved in configuring, administration and troubleshooting Linux/Unix Servers which are connected to Storage such as EMC
• Experienced in file system administration, resolving system errors, crashes and file system errors
• Creating new file systems, mounting file systems and unmounting file systems
• Experienced in configuration and maintaining of Logical volume manager
• Experienced with EMC Storage using SRDF and Powerpath.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding storage.
• Experience in cloning virtual machines using guest operating system template on VMWare ESX server
• Experience in building new servers via VMWare clone using virtual machine templates.
• Creating new file systems, mounting file systems and unmounting file systems
• Experience in DNS, NIS, NFS, Send mail, ftp, remote access, security management, and system troubleshooting skills
• Experience in Datacenter Migrations.
• Experience in Linux - based Virtualization implementations such as VMWare
• Expert in setting up SSH, SCP, SFTP connectivity between UNIX hosts
• Configuring and Managing root disks using Online Disk Suite (ODS)
• Strong knowledge on ZFS
• Extensive experience in User Management using S4 access tool
• Performed Server virtualization and administration using Solaris Zones& LDOMS
• Experience with wide range of Hardware includes SUN, HP and IBM.
• Extensive experience with SOX base servers.
• Highly proficient in multi-platform system management including operating system installations/upgrades, patch management, integration, performance tuning, enhancement, security and monitoring
• Experienced in different monitoring tool for health check using Smarts, Tivoli and CMDB.
• Good Knowledge on Apache Hadoop Administration
• Working experience in Large Datacenters in Production environment with 24X7 and On-Call Support

TECHNICAL SKILLS

Operating Systems: SUN Solaris 8,9,10, 11Red Hat Enterprise Linux 4/5/6,Suse Linux 9, 10MS DOS Windows 95, 98, NT, 2000, XP, Vista, Windows 7

Hardware: SUN Enterprise Servers M5000,M4000,T5240, X4600,4800, E 0,E250V210,V240,V245,V440,V480,V490,V880,V890, HP DL385 & 585 Series, IBM & HP Blades (BL & HS series)

Tools: S4 Access, Nagios, Remedy,Smarts,Tivoli,CMDB,Smitty

Networking: HTTP, SMTP, NFS, CIFS, TCP/IP, FTP, SSH, DNS, DHCP,SNMP

Storage & Backup: Solaris Volume Manager, VERITAS Volume Manager 4.1&5.0, RAID Manager 6.2,NAS,SAN

PROFESSIONAL EXPERIENCE

Confidential, Chicago

Unix/Linux Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Linux, Sun Solaris systems.
• Building & host using the Storix and configuration of LVM and maintaining them
• Installation and configuration of Solaris 9, 10 using Jumpstart installation
• Worked on Solaris 11
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Administration, Monitoring, Disk space Management, Ensuring Data security and Access control on Servers
• Installing, configuring and maintainingVeritas Volume Manager and VCS
• Support high availability, data replication, fail-over, fail-back using Veritas Cluster(VCS) in SAN environment
• User Management using S4 Access Tool
• Installing, maintaining and troubleshooting S4 Access Software
• Involving in SOX server Audit works
• Working closely will IT Security Team for the Audit purpose.
• Participated in Datacenter Migration and Storage Reclaim project.
• Administration, Monitoring, Disk space Management, Ensuring Data security and Access control on Servers
• Performed day-to-day administration tasks like Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring
• Provides accurate root cause analysis and comprehensive action plans. Works closely with HW/SW vendor support teams to resolve problems quickly
• Understanding of SAN,NAS storage and load balancing
• Excellent Knowledge of ITIL process for incident /change management
• Strong communication skills are imperative, including assertiveness and taking ownership of issues and requests
• Maintaining virtual server under VMware
• Accessing virtual server for installing and troubleshooting purpose
• Configuring & maintenance of Solaris zones
• Applied appropriate support packages/patches to maintain system integrity
• Troubleshooting of Logical Volume manager
• Supported Disk Volume Management creating volumes with LVM
• Installed and verified that all Linux patches or updates are applied to the servers
• Setting up LVM and Installing OS packages and patches
• System security management. Worked on OS upgrade plan for Solaris on development and production servers
• Performance monitoring with conventional tools such as top, SAR, netstat, iostat, etc
• Worked on OS upgrade plan for Linux on development and production servers
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement
• Working on monitoring tools like Smarts,Tivoli and CMDB.
• Extensively worked with Remedy ticketing system and provided 24/7 on call support for production
• Worked with Application and Database teams for configuring new servers as per the requirement

Confidential, New Jersey

Unix System administrator

Responsibilities:

• Installation and configuration of Solaris 9, 10 using Jumpstart installation
• Loading the servers with RHEL5/6, configuring and supporting them
• Configuration and administration of logical volume manager patch and Package administration
• Understanding of SAN and NAS storage and load balancing
• Creation of File systems using VxVM and VxFS
• Excellent Knowledge of ITIL process for incident /change management
• Strong communication skills are imperative, including assertiveness and taking ownership of issues and requests
• Maintaining virtual server under VMware
• Accessing virtual server for installing and troubleshooting purpose
• Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring
• Configuring and administeringEMC Solution EnablerlikeSRDFbetween R1 and R2 devices for Disaster recovery implementations.
• Installing oracle 10g binaries and creating raw devices and file systems for database purposes.
• Provides accurate root cause analysis and comprehensive action plans. Works closely with HW/SW vendor support teams to resolve problems quickly.
• Worked on new projects such as setting up new environment for clients as per requirements. Build the new servers and configure them as required
• Configuring multipathing and Logical volume manager and trouble shooting them.
• Participated in Datacenter Migration and Storage Reclaim project.
• Configuring and Troubleshooting the NFS and auto mounts issues
• Created shell scripts and updated scripts as per the requirement
• Application readiness/OS checkpoint
• Troubleshooting of Logical Volume manager
• Supported Disk Volume Management creating volumes with LVM
• Configure and maintaining Solaris Zones
• Installed and verified that all Linux patches or updates are applied to the servers.
• Configure LDOMS and maintaining
• Setup LVM. Install OS packages and patches. System security management. Worked on OS upgrade plan for Solaris on development and production servers
• Performance monitoring with conventional tools such as top, SAR, netstat, iostat, etc.
• Worked on OS upgrade plan for Linux on development and production servers
• Installing and configuringVeritas Volume Manager and VCS
• Support high availability, data replication, fail-over, fail-back using Veritas Cluster (VCS) in SAN environment
• Worked with Application and Database teams for configuring new servers as per the requirement
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement
• Configured open source tool Nagios for monitoring
• Scheduling of automatic, repetitive jobs using commands with Crontab
• Involved in PRODUCTION support as required and resolving tickets logged by users through Remedy tool

Confidential, San Jose

Unix Systems Administrator

Responsibilities:

• Use to do installing, configuring and support RHEL 3/5
• Configuration and administration of logical volume manager
• Patch and Package administration
• Building the host using the Kick start and configuration of LVM and maintaining them
• Installing and maintaining Jumpstart Environment
• NFS and auto mounter skills
• Understanding of SAN and NAS storage and load balancing.
• Excellent Knowledge of ITIL process for incident /change management
• Strong communication skills are imperative, including assertiveness and taking ownership of issues and requests.
• Maintaining virtual server under VMware
• Accessing virtual server for installing and troubleshooting purpose
• Configure Solaris zones and maintaining
• Created shell scripts and updated scripts as per the requirement.
• Applied appropriate support packages/patches to maintain system integrity
• Installed and Maintained puppet based configuration system
• Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring. Provides accurate root cause analysis and comprehensive action plans. Works closely with HW/SW vendor support teams to resolve problems quickly
• Administrating LDAP on Linux & Sun Solaris environment
• Manage daily system administration cases using BMC Remedy Help Desk.
• Configured and administrating LDAP on Linux & Sun Solaris environment
• Configuring multipathing and Logical volume manager and trouble shooting them. Maintained and managed Sun Clustering
• Troubleshooting of Veritas Volume manager and Sun Solaris manager
• Configuration of Sun clustering, Veritas clustering and Redhat clustering. Installed& Configured Sun Fire 210, V240, V440, V490, V880, T2000, E450, 1280
• Supported Disk Volume Management creating volumes with Solaris Volume Manager, VERITAS Volume Manager, and VERITAS File System
• Setup LVM. Install OS packages and patches. System security management. Worked on OS upgrade plan for Solaris on development and production servers
• Worked on OS upgrade plan for Solaris on development and production servers

Confidential

Unix Linux Administrator

Responsibilities:

• Day - to-day administration on Sun Solaris, RHEL 4/5 which includes Installation, upgrade & loading patch management & packages
• Assist with overall technology strategy and operational standards for the Unix domains. Manage problem tickets and service request queues, responding to monitoring alerts, execution of change controls, routine & preventative maintenance, performance tuning and emergency troubleshooting & incident support
• Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring
• Provides accurate root cause analysis and comprehensive action plans. Works closely with HW/SW vendor support teams to resolve problems quickly
• Manage daily system administration cases using BMC Remedy Help Desk.
• Performed all System Administration tasks like cron jobs, installing packages, and patches
• Configured and maintained Software Raids using Solaris Volume Manager, VERITAS Volume Manager 4.1&5.0, Logical Volume Manager (LVM)
• Configure Solaris zones and maintaining
• Creation of user accounts and tailoring user profiles and login services for terminals.
• Supported Disk Volume Management - creating volumes with VERITAS Volume Manager, VERITAS File System, and Logical Volume Manager
• Creating Logical volumes for clients using LVM
• Managed the complete Network File System (NFS)
• Performance monitoring with conventional tools such as top, SAR, netstat, iostat, etc.
• Investigated, installed and configured software fail-over system for production Linux servers
• Monitor and maintain the disk space, backup systems and tape libraries and Implement change controls, capacity planning and growth projections on the systems
• Planning and coordinating activities related to upgrades and maintenance on the systems
• Create status reports, project plans and attend team meetings to coordinate activities
• Clustering and Cluster management on the servers using VERITAS Cluster Server 2.0 & 3.5

Confidential

Unix Administrator

Responsibilities:

• Build new Solaris and Linux servers. Upgrade and patch existing servers. Compile, built and upgrade Linux kernel
• Setup and administer VERITAS Volume Manager for NAS, SAN. Setup and administer Cluster Server (VCS) for risk mitigation and disaster recovery
• Setup Solaris Custom Jumpstart server and clients and implement Jumpstart installation.
• Worked with Telnet, FTP, TCP/IP, rlogin, used to inter-operate hosts.
• Contact various systems administration works under Solaris, Redhat Linux environments.
• Worked as System Administrator in UNIX supporting infrastructure environment comprising SUN- SPARC Server 5s, SPARC Server 20s, and E450s, E250s E3000s, E3500s, E5500s and A5000 storage array
• Installed managed Veritas Volume Manager 3.5,4.1&5.0(VxVM) on Solaris 9,10
• Performed regular day-to-day system administrative tasks including User Management, Backup, Network Management, and Software Management including Documentation etc
• Supported Disk Volume Management- creating volumes with Solaris Volume Manager, VERITAS Volume Manager, and VERITAS File System
• Worked on OS upgrade plan for Solaris on development and production servers
• Recommend system configurations for clients based on estimated requirements
• Installed, maintained and troubleshoot NFS
• Performed reorganization of disk partitions, file systems, hard disk addition, and memory upgrade
• Performance monitoring done with conventional tools such as SAR, iostat&netstat
• Monitored system activities, log maintenance, and disk space management
• Created VERITAS file systems and built mirrored RAID arrays on SAN subsystems
• Encapsulated root file systems, and mirrored the file systems were mirrored to ensure systems had redundant boot disks
• Administer Apache Servers. Published client’s web site in our Apache server
• Fix all the system problems, based on system email information and users’ complaints
• Upgrade software, add patches, and add new hardware in UNIX machines