SUMMARY

• Having 7+ years of Strong Experience in LINUX/UNIX Engineer, Shell Scripting with expertise in Red - hat Linux 4, 5, 6 and 7, Solaris 8, 9 and 10. HP-UX 11.i, AIX 5.1, 5.3 and 6.1, Windows 2003, WebLogic 10.x, WebSphere JAVA, J2EE Applications and SQL.
• Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
• Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems.
• Expertise in Installation, Configuration, Integration, Tuning, Backup, Crash recovery, Upgrades, Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Unix Servers.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Redhat Cluster (RHCS), HP Service Guard and HACMP.
• Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS.
• Worked on Solaris 10 Container Technology. Created and maintained local zones.
• Managed resources for zones using Solaris 10 container technology.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Strong experience in VERITAS Clusters in supporting high availability mission critical servers.
• Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager (VxVM), Logical Volume Manager (LVM) and Solstice Disk Suite (Solaris Volume Manager).
• Good knowledge on developing/porting of devices drivers in Android OS
• Backup management and recovery policies using VERITAS Net-Backup.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.
• Experienced in implementing Splunk, Puppet, Git, and Github
• Experience in creating physical volume, logical volume, volume groups using LVM’s in Linux/AIX, HP-UX (ITANIUM and PA-RISC) and SVM, GFS (global file system) and ZFS in Solaris.
• Experience in VMware Installed and monitored Virtual environments with ESX 3.x servers and Virtual Center 2.X
• Experienced in working with Storage Area Network (SAN), EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.
• Expert in Installation, configuration of Patches and Packages.
• Proficient in Installation, Configuration, Support & Maintenance of various Sun Sparc Enterprise hardware’s and RedHat5.x Linux Servers located at Remote Locations. Deployment of Application Software ( E-Com/J2EE, B2B, B2C, Oracle, Sql Server, ERP(SAP, Oracle Apps, People soft) )
• Experience in providing day-to-day user administration like adding and deleting users and managing users queries.
• Strong knowledge in configuring and resolving issues in Bluetooth NFC
• Experienced working on EMC storage
• Expertise in monitoring and tracking network, servers and services using Zabbix
• Excellent in System performance tuning Configuration
• Sound understanding of IT Infrastructure Administration with project management skills.
• Providing 24/7 technical support to Production environments
• Experience in configuration and testing Disaster Recovery Site.
• Experienced in installing and maintaining AIX/VIO servers
• Experience in writing Shell/Perl Scripts.
• Technical professional with management skills, excellent business understanding and strong communication skills.
• Good at Project management & Configuration management

TECHNICAL SKILLS

Hardware: SUN Enterprise- E 5000/5500/6500 , SUNFIRE 3800/4800/6800 , E10K/15K Series Servers, HP-9000, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, IBM e-Server Regatta P690, P570, RS/6000, IBM/HP/DELL Blade Servers, SAN(EMC, Hitachi), NAS (Netapp)

O / S: Solaris 10/9/8, HP-UX (11.00, 11.11, 11.23, 11.31), IBM AIX (5.1, 5.3), 6.x, 7.x, Red Hat Linux (RHEL 3/4/5), Windows NT /2003/vista

Naming Services: DNS, NIS, and NIS+

Backup Management: Veritas Netbackup 4.x/5.x/6.x, Ufsdump, ufsrestore, tar, dd, cpio

Script Languages: Shell scripts, PERL, Python, Ruby

Web Technologies: Apache 2.x/3.x, IPLANET 4.x/5.x, WEBLOGIC 8, Websphere 4.0/5.0

ThirdParty Software: VERITAS Volume Manager, LVM, LDAP, SSH, Zabbix, AWS

Cluster: Veritas Cluster Server (VCS), Sun Cluster, Redhat Cluster (RHCS), HP Service Guard, AIX HACMP

RDBMS: Oracle, MS SQL Server

Protocols: NetBIOS, NetBUI, SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET, UDP & RIP, DNS, WINS, DHCP.

PROFESSIONAL EXPERIENCE

Confidential, COLUMBUS, OH

Linux/Unix Engineer

Responsibilities:

• Installation, configuration, administration of AIX 6.x, 7.x, RHEL 5, 6, 7 and Solaris 9, 10, Ubuntu 12, 13, 14 using Kickstart, Jumpstart, custom configuration like package management, volume management of servers.
• Applied appropriate support packages/patches to maintain system integrity.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Creating, installing and configuring Zones, LDOMs in Sun Solaris 10.
• Creating virtual machines, cloning, creating templates, adding storage, installing Redhat, performing vmotion, adding ESX hosts on Vsphere 4.0.
• Creating file system, exporting, importing file systems, tuning, growing, shrinking using Veritas File system 5.x.
• Implemented automation tools such as Splunk, Puppet, Chef, Git, Github, Stash.
• Monitoring and reporting using AutoSys tool
• Experience with RHEL 7, Puppet, and Chef Configuration management tool.
• Troubleshooting and administering High Availability using VERITAS Cluster Server (VCS) and Redhat Cluster Server (RHCS) on various business critical database & application production servers.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Installing and configuring Zabbix and tracking status of network and servers
• Troubleshooting and configuring NAS and NFS mount points.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Creating managing volumes using LVM.
• Administration for multiple sun hardware, this involves creating domains, adding/deleting system components.
• Installing, configuring Veritas Netbackup 6.5 on Solaris, Redhat servers, creating polices, scheduling jobs.
• Installed Web Logic 10.3 and configured Domains, Admin and managed servers for Applications to be deployed.
• Performing cloud computing, storage, application and deployment using AWS
• Installing, Configuring and maintaining EMC storage
• Configuring Bluetooth NFC and fixing issues
• Basic scripting skills with experience in Bash, Python, and Ruby
• Extensively used Active Directory Server Console for managing the entries.
• Installing, configuring Puppet, and Chef on linux, unix clients, creating new profiles, running checks, modifying scripts, pushing changes to the clients.
• Involved installing and managing different automation and monitoring tools on Red hat Linux like Nagios, bash and python scripts
• Supporting and maintaining AIX/VIO servers
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on user requirements.
• Worked on PCI and SOX audit requirements
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
• Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.

Environment: RHEL, Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485,ML Series), Solaris, AIX, AIX/VIO, SAN (Netapp), Blade Logic, Veritas Cluster Server, Tivoli, Net-SNMP, Redhat Cluster Server (RHCS), Python, Chef, Puppet,, Zabbix, Windows 2003 server, Android OS, Bluetooth, AWS, Shell programming, Jboss, JDK,, VMware Virtual Client, VMware Infrastructure.

Confidential, Tampa, FL

Linux/Unix Engineer

Responsibilities:

• Installation, Configuration & Upgradeof Linux (RHEL 5, 6), AIX 5.x, 6.x, Solaris 8.0, 9.0, Ubuntu 11, 12.
• Installation and configuration of Red Hat Enterprise Linux and Windows Virtual machines using PXE Boot, for the disaster recovery project.
• Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers usingVERITAS Net Backup. Maintained Security of the Solaris Servers.
• Configuration of VERITAS Cluster Server, Redhat Cluster Server, Service Guard from the scratch and maintained service group/packages for failover and redundancy purpose.
• Installation and configuration of RHEL servers using kickstart installation.
• Installation & configuration ofVMware ESX 3.5Servers,VMware Virtual Infrastructure Server,VMware License Server and VCB Setup.
• Performed and maintained AIX.
• Install and configured management systems, such as Puppet, Github, Git, Stash and chef.
• Implemented chef configuring the Servers
• Tracking and monitoring servers, network and services Zabbix
• Implemented Bash, Perl, Python scripting.
• Developing and porting of device drivers using Android OS
• Installing ESX operating systems on the physical servers forVMware virtualization.
• Adding Data stores, creating clusters, addingESX hoststo the clusters in a Data center inVCenter Server.
• Create Guest OS RedHat Enterprise Linux and make readymade Golden Image/Template using VMware Virtual Infrastructure Client.
• Enabling HA, DRS EVC, for the Clusters in theVCenter Server.Creating Host profiles and applying the host profiles to theESX hosts.
• Installing and configuring AWS on Linux environment
• Setting up installable image of AIX operating system.
• Migrate Guest OS and clusters fromVMware ESX 3.0.0 to VMware ESX 3.5.
• Setup and configured Dell MD3000 SANs to work with VMware ESX servers.
• Perform security patching of Linux servers
• Established network security using Linux Firewall and troubleshoot problems relating toboot loaders (GRUB, LILO).
• Configuring and resolving of issues in Bluetooth NFC
• Installing and configuring AutoSys and reporting the activity
• Worked onSolaris 10 container technology, configured separate zones for various applications.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Designed and Implemented Backup solution for the Network.
• Managed the entire infrastructure withpuppetby setting uppuppet master and slaves.
• Enterprise resource planning includedITIL processes, such asConfiguration Management, Change Management, Problem management and Incident Management
• Installed and configured file and Application servers running on Sun servers
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Implementation ofRAID 0/1/5for creation of logical volumes usingVERITAS Volume Managerin SAN Storage Area Environment.
• Setup and maintaining EMC storage
• Building Linux/Unix VMI’s/AMI’s from the scratch
• UsingKorn shell, Perl and CVS (Harvest), Hudson, Maven Version Control to automate deployment of J2EE applications to Mid-Tier platforms.
• Monitoring the performance of the applications using Tivoli and Net-SNMP
• Usedbash, awk,andsedto automate most of the daily activities like log monitoring, log rotation and purging, proactive systems monitoring including disk error detection.
• Managed Network troubleshooting applicationsTCP/IPincluding Ethernet, IP addressing & Sub netting, routing
• Providing support to AIX/VIO servers
• Worked on creating user accounts, user administration, local and global groups on Solaris platform
• Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
• AdministratedNFS, NIS, DHCP and DNSSamba servicesrunning on Sun Solaris andRedHat Linux.
• Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Managed Users forSolaris,RHEL and Linux Serversand assigned rights to access network resources.

Environment: Linux, Windows (NT/2000 Servers), IBM AIX, HACMP, UNIX, Solaris, AIX/VIO, Tivoli SM, LPAR, Python, Chef, Puppet, Tivoli, Net-SNMP, AWS, Android OS, Bluetooth, AutoSys, Zabbix, Veritas, Redhat Cluster Server (RHCS), Netbackup, Scripting (korn).

Confidential, Dallas, TX

Linux/Unix ENGINEER

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of OEL, Linux, Sun Solaris, Ubuntu 11, AIX 5.x, 6.x, HP-UX systems.
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing & configuring, job scheduling.
• Installation and configured Solaris 10 with Zones, Containers and Ldoms.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Server and Oracle SF RAC.
• Performing cloud computing using Amazon Web Services (AWS)
• Working on Bluetooth NFC
• Installed the Operating System on Solaris and Linux servers and Blades over the network.
• Built servers according to standards specified as per individual applications
• Built virtualized Linux servers on ESX and Blade servers to host multiple applications on same chassis across different server hosts.
• Installing and configuring NPIV and VSCSI, and creating multiple id’s to a single port
• Installing and configuring Zabbix, to monitor and track the status of network, services and servers
• Worked on installing, configuring splunk on linux, solaris servers, to enable log, port monitoring of servers, applications, escalating issues to the particular teams.
• Worked on puppet, scheduling changes, profile creation, pushing the changes across all the servers.
• Installing, configuring puppet on linux, unix clients, pushing profiles to new servers, running checks, modifying scripts, pushing changes to the clients.
• Set up Linux servers for iSCSI LUN boot instead of using local hard disks
• Scheduling, monitoring and reporting using AutoSys
• Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation
• Set up Linux servers for LAMP implementations and readiness
• Working on PCI and SOX audit
• Created File systems from local storage as well as NFS partitions for application portability
• Providing support and maintaining AIX/VIO servers
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, 5 and 6 systems and Upgraded Maintenance level as well.
• Creating, cloning virtual machines on VMware 3.5, 4.0, installed ESX hosts, performance monitoring of virtual machines, taking vmware snap-shots, recovery, creating vswitches,
• Installed and verified that all AIX/Linux patches or updates are applied to the servers.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Installing and maintaining EMC storage
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostat etc) and tuned I/O, memory, etc.
• Coordinated with the Storage, Network and Hardware teams on server provisions (HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers).
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.

Environment: RHEL 5.x,6.x, Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485,ML Series), Solaris 8,9,10, AIX 5.3, 6.1, SAN(Netapp), BladeLogic, Veritas Cluster, AWS, Redhat Cluster Server (RHCS), Server 5.0, Windows 2003 server, Puppet, chef, Tivoli, Net-SNMP, Android OS, Bluetooth, Shell programming, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Insfrastructure 3.5.

Confidential, Richardson, TX

Linux/Unix ENGINEER

Responsibilities:

• Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
• Automation of jobs through autosys.
• Installation of packages, patch management, volume managment on Suse servers using YaST.
• Applied appropriate support packages/patches to maintain system integrity.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Log, port monitoring using Splunk, directing logs to a central host.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Worked with project manager and auditing teams to implement PCI compliance.
• Worked on F5 load balancer to create rules for creating VIP, checking configurations.
• Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Fine tuning of Servers and configuring networks for optimum performance.
• Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• As a member of the team, monitored the VERITAS Cluster Server 4.1 in SAN Environment.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 & DMX4, AWS, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential

Systems Engineer

Responsibilities:

• Installation, Configuration, Up gradation and administration of Sun Solaris, RedHat Linux.
• User account management and support.
• Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
• Responsible for configuring and managing Squid server in Linux.
• Configuration and Administration of NIS environment.
• Managing file systems and disk management using Solstice Disksuite.
• Involved in Installing and configuring of NFS.
• Worked on Solaris volume manager to create file systems as per user and database requirements.
• Trouble shooting the system and end user issues.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and probable errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Document solutions for any issues that have not been discovered previously.

Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.