Sr. Unix System Administrator Resume
Detroit, MI
SUMMARY:
- Above 10 years of Strong Experience in UNIX, Linux, VMware and Middleware Administration. Expertise in the installation, support, configuration and maintenance of RedHat/SuSE Linux, Solaris, IBM AIX, HP - UX and Windows 2003/2008, WebLogic/WebSphere Application Servers Oracle/Sybase Database servers under heterogeneous environments.
- Strong in troubleshooting, monitoring, and 24/7 production support experience in mission critical environments. Worked with systems support team to define, architect and maintain highly available production systems.
- Expertise on system build thru Jumpstart/Kickstart/NIM/Ignite manual(CDROM) Installation
- Installation of patches, Security fixes, packages using RPM and YUM tools
- Experience in installing, administering, troubleshootingNFS, DNS, DHCP, NIS, LDAP MailServerandSamba Serverin heterogeneous environment.
- Experience in LVM/SVM for creation of Logical Volumes and File systems in UNIX environment.
- Creation of logical Volumes, using (VXVM 5.1/6.0) Veritas Volume manager
- Strong experience in VERITAS Cluster servers 5.1/6.0 in supporting high availability
- Expérience in Solaris Zones/Containers.
- Strong experience in configuring Zeta byte File System(ZFS)
- Strong experience on Webservers Tomcat & Apache and WebLogic/WebSphere App servers
- Good experience on Hadoop Distributed Filesystem (HDFS)
- RDBMS installation and support including Oracle, SQL Server, MySQL,
- Good experience on installation/upgrade VMware ESXi 4.1/5.0/5.1
- Configuring VMware Virtual Hardware, Memory, NIC and VDISK
- Good experience on VMware migrating P2V/V2V using Vmotion and DRS, HA configurations
- Strong in troubleshooting ESXi and guest OS related issues
- Good experience on BMC Blade Logic tool to Controlling and Automating the servers configuration
- Analyzing and reviewing the System performance tuning and Network Configurations
- Strong experience in Storage Networks and Backup and SAN implementations
- Experience on configuring Oracle ASM/RAC
- Good exposure on Storage Area Networks (SAN), of EMC Clariion, EMC Symmetrix
- Good Knowledge on shell scripting languages like Bourne shell, Korn, Perl shell.
- Experience of working in Data centers with 24X7 Production and On-Call Environments.
- Excellent communication & interpersonal skills. Proven strength in troubleshooting, problem solving, coordination, analysis and a proven track record of success.
TECHNICAL SKILLS:
Operating System: Sun Solaris 7,8,9 & 10 Linux (RedHat 3.x,4.x,5.x,6.0 SUSE 10, 11), HPUX 10.20,11.11,11.23, 11.31,AIX, Windows 2003/2008,VMware ESX 3.x,4.x.5.x
Hardware: SunFire E20K, Coolthreads Tseries (T1000/T2000), M8000/9000 Series, V 480/4800/3800/12 K Server, Sun Enterprise 6500/5000/450/420 R/250 Servers, SPARC server 1000/20, HP 9000 K,L,N class server, HP Proliant series IBM RS/6000, pSeries
Storage: SAN, EMC Symmetrix/Clariion, iSCSI, SNAP, NAS, HP P4500/p4800 Storage Subsyste, CommVault SimpaniWeb /Application Server: Tomcat, Apache, WebSphere, WebLogic, SAP NetWeaver.
Cluster: - Veritas Cluster Server, Sun Cluster, Service Guard, IBM SVC
Languages: UNIX Shell Scripting, Perl, ksh, sh, J2EE, JAVA
Databases: Oracle8i/9i/10g, MS SQL 2000 and Sybase 11.9.2
PROFESSIONAL EXPERIENCE:
Confidential, Detroit MI
Sr. Unix System Administrator
Responsibilities:
- Installing, Configuring Redhat Linux 5/6 Suse Linux 11.x
- Maintaining system performance by performing system monitoring and analysis
- Configuring local and ISCSI disk devices LVM/VXVM
- Performing backups of data using netbackup
- Applying software updates and changing the configurations using HPSA tool
- Installing, configuring new hardware and software
- Configuring VCS service groups, resources
- Working with Account Management to configure PAM/Winbind/LDAP/Active Directory Creating VM account Management, Access Rights and set password and group configurations
- Managing swap configuration, CPU optimization, memory maintenance
- Scheduling Automated jobs for backups, refreshes and failover
- Configuring VCS service groups, resources
- Troubleshooting VCS engine startup, resources issues
Environment: HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7, HP P4500 Storage Subsystem, lsilon NL Storage Subsystem, CommVault Simphany
Confidential, Charlotte NC
Operating System Engineer
Responsibilities:
- Installing, Configuring Redhat Linux 5/6 and Solaris 10
- Setup of NIC (Bonding/IPMP) and Storage Multipathing (DM/MPXIO)
- Configuring HBA’s using native drivers and lputil
- Setting up OS mirroring using the tools (LVM/SVM/VXVM)
- Applying patches and new products using Novell-ZENworks agent, Yum and HPSA tool
- Setup disk Multipathing for new SAN disks and configuring disk groups and volumes
- Managing swap configuration, CPU optimization, memory maintenance
- Managing Samba and Apache WebServices
- Setting up DNS and DHCP network services
- Configuring NFS and Autofs network filesystems
- Configuring logical disk groups, Volumes and VXFS 5.1/6.0 Filesystems
- Installing and configuring Veritas Cluster Server VCS 5.1/6.0 configuring LLT/GAB communications
- Configuring VCS service groups, resources
- Troubleshooting VCS engine startup, resources issues
- Configuring and scanning new oracle ASM Disks
- Managing VMs using vCenter vSphere
- Using BMC Blade Logic automation tool to setup the multiple admin tasks
- Installing and managing software packages
- Utilizing HPSA, Remedy tools to setingup change, work order, Problem and incident tickets
Environment: M9000, M8000, M5000 and T-series servers, x86 Rack-Mount, HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7.
Confidential, Orlando FL
Linux / VMware Administrator
Responsibilities:
- Installing, Configuring and Upgrading Redhat Linux
- Installing, configuring and maintaining the VMware ESXi 4.1/5.0 and Upgradation
- Managing and Securing Virtual Center - vSphere
- Working with HP Server Automation for Patch management/Software installation
- Worked on Kernel Tuning and Logical Access
- Managing High Availability Solutions on HA, DRS
- Managing Volumes according to the requirement using LVM and Veritas
- Working with Account Management to configure PAM/Winbind/LDAP/Active Directory Creating VM account Management, Access Rights and set password and group configurations
- Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server
- Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
- Checking the Virtual Center for tuning and Performance
- Updating YUM Repository and Redhat Package Manager (RPM).
- Working on Filesystem and Swap configurations
- Using BMC Blade Logic tool to automate the Server Administration Jobs
- Creating VM NICs, teaming and configuring VLAN PortGroups
- Configuring Virtual Switches and Physical Adapters
- Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations
- Monitoring Server Health, CPU Utilization, DiskSpace and various processes
Environment: HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7, HP P4500 Storage Subsystem, lsilon NL Storage Subsystem, CommVault Simphany
Confidential, Phoenix, AZ
Sr. Unix / Middleware Engineer
Responsibilities:
- Installation, Configuration and Upgrade of Solaris 8/9/10, Redhat Linux AS 4/5
- Installing, configuring and maintaining the VMware ESX 3.x / Virtual Center 2.x servers.
- Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
- Extensive experience with working on Solaris Volume Manager (SVM), creating meta devices, soft partitions, mirroring the devices.
- Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
- Updating YUM Repository and Redhat Package Manager (RPM).
- Expertise in Configuring NFS, DHCP and DNS on servers.
- Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.
- Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
- Configuration of Zones/Containers in Solaris10.
- Disk mirroring and RAID (0/1/5) implementation using SVM/LVM/VxVM.
- Service management on Solaris 10 thru SMF (Service Management Facility) svcs, svcadm, svccfg etc.
- Installation, configuration and administration of Redhat Cluster Suite, Veritas cluster Server and HP Service Guard.
- Configure Web Logic, Websphere servers and APACHE and TOMCAT Server with JAVA Application tools on Red Hat and Hp UNIX servers environment.
- Scheduling of automatic repetitive Jobs, and Shell Scripts with Crontab.
- Participated in root-cause analysis of recurring issues, system backup and security setup, Worked in 24X7 support in Production and development environments.
- Trouble shooted various problems when working with Installing and configuring OS and network device remotely in various site.
Environment: SunFire E25k, V240, V880, Sun 6320, HP, IBM, Egenera and Dell Blade Servers Mseries 8000/9000, Tseries T 4000/ R, V490, E220R, V1280, V480, V440, Sun Fire 4800, V1280, E450, V215, V125, Sun Fire(X4200, X4600) AMD, Power edge(R900, 2950)
Confidential, Tampa FL
Unix- Application Support Engineer
Responsibilities:
- 24/7 technical support on production servers
- Performing administrative activities to support Solaris/Linux platforms in Production and Development environments
- Strong experience on Software Package Deployment
- Maintenance of Verizon’s outside network facilities Included work with Weblogic, WebSpher Application Servers
- Creating HTTPS s for global Security using IKeyman
- SSL certs, SSH Tunnels, Scripting with ksh, Perl
- Installing Release packages and SSI files and package notes
- Distributing of ssh pub keys across large sets of servers
- Experience on Loadbalancers and High availability Veritas Clusters
- Working on Shell Scripting, J2EE and JAVA to troubleshoot technical issues i.e Error Messages, software bugs
- Simplified and Increased performance of Application control scripts
- Troubleshooting of day to day system and user problems
- Analyzing, altering existing network to increase operational efficiency
- Supporting Linux experience with VMware and Storage
- Monitoring system performance and capacity working on reconfiguration
Environment: Sun sparc Enterprise T5240, Sun Fire E2900, Sun E10K, Sun F15K, Sun Fire V480 Server, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, HP 9000
Confidential, Herndon VA
Systems Administrator
Responsibilities:
- Responding to tickets and provide timely resolution using Remedy
- Installing, configuring and Upgrade of HP-UX 11.11,11.31, Solaris 10, AIX 5.3, Red-hat
- Linux 4, 5 Operating systems & applying Patches, Packages and Vendor Products
- Installing and configuring Solaris Zones, Virtualization
- Creating and maintaining Solaris 10 ZFS and LDOM.
- Managing Solaris Volume Manager (SVM) and Solstice Disk Suite (SDS)
- Configuring RAIDs and Volumes
- Working on Shell Scripting, to troubleshoot technical issues i.e Error Messages, software bugs configuring User Security, Network and Filesystem Issues
- Managing Infrastructure enhancements on Development and Testing environments
- Configuring NIS, Samba, DNS and Syslog
- Setting Hardware configurations for M8000/9000 and Software upgrades
- Working on HP Enterprise Virtual Arrays for Storage
- Configuring High availability using Veritas Cluster Server and MC Serviceguard
- Working on Network devices, Cisco Routers, Switches and Pix firewall
- Maintaining Network conncetions between servers and Network devices and SAN Boxes
- Working on Sendmail
- Installing and configuring WebLogic, and WebSphere servers and deploying Web applications
- Working on Documentation on all applications
- Developing and scheduling Automated jobs for backups, refreshes and failover
- Working on AutoSys and scheduling automated jobs
- Defining threshold values for monitoring the metrics of the Application server environment
- Working on WinSql, running sql scripts, exporting data from source to target and HTML files
Environment: Solaris, HP-UX, AIX, Linux, Sybase, Sun Sparc Enterprise M8000/9000 Servers, Sun Fire E25k, V240, V880, Sun 6320, Sun 9985, HP Prolient, Itanium servers, IBM Regatta and P-series Cisco 6500, 3745 and Pix. Veritas 4.x products, Veritas Volume replicator
Confidential, Detroit MI
UNIX Administrator
Responsibilities:
- Installation, Configuration & Upgrade of Solaris 10, AIX, HP-UX and Linux and Oracle database. Installation of patches and packages
- Installation and Configuration of VERITAS Storage Foundation, for managing volumes and RAID levels
- Maintaining of VERITAS Cluster Server and HP service Guard for high available systems
- Creating Users, Groups. Writing Shell script to do automatic addition and removal of users and groups.
- Creating and maintaining Solaris 10 ZFS and LDOM.
- Managing File Systems per Database requirement
- Worked on Solaris 10 Container Technology. Created and maintained local zones
- Used Solaris 10 SMF utility to manage services in Solaris 10.
- Installed and monitored Virtual environments with ESX 3.X servers and VirtualCenter 2.X
- Worked and Scheduled Korn Shell scripting for automating jobs
- Disk and File System Management through VERITAS Volume Manager and SVM
- Cofigured Highend servers like Sun Sparc Enterprise M8000/9000
- Automated installation using jumpstart and ignite.
- Configuring Weblogic applications in Suse Linux enterprise 10
- Configuring load balancing on Apache WebServers for WebSphere application servers
- Installing and Configuring VMWare ESX servers 3.0
- Installing, Configuring and maintaining SAP ECC 6.0 Application servers
- Working on SAP Clients, Creating, Copying and Import and export.
- Configuring routes between clients and Implementing Transports
- Worked with SAP team to design SAP Landscape.
- Applying Support Packages and Patches on SAP Systems and Kernel Upgrades
- Installation and configuration of Netscape and Apache web server and Samba Server
- Writing Shell and Perl Scripting for automation of job.
- Involving in System build from the scratch with configuration of software and security remediation.
Environment: HP9000 / L2000 / RP5450, Proliant series, Itanium servers RP3440, RX46401, RP4440, Mseries 8000/9000, Tseries T 4000/ R, V490, E220R, V1280, V480, V440, Sun Fire 4800, V1280, E450, V215, V125, Sun Fire(X4200, X4600) AMD, Power edge(R900, 2950) Dell. Sun, HP and Dell Blade Servers
Confidential
System Administrator
Responsibilities:
- Worked on Operating Systems: Solaris 8, Red Hat Linux 4
- Worked on Cluster S/w: VERITAS Cluster Server 4.0/3.5/2, Sun Cluster 3.0/2.2, HP MC/ServiceGuard A 11.01/10.11
- Installing and trouble shooting of Custom Jumpstart services multiple servers
- Configuring NFS and Naming services NIS and DNS.
- Installing and Configuring SAP R/3 4.7 Enterprise.
- Configuring SAP Systems landscape and Client administration
- Applying Support Packages and Patches
- Setting up SAP Printers to end users
- Resolving day to day end user issues using ticketing tool Remedy
- Setting up and maintaining NFS, DNS (Master/Slave)
- Setting up NIS including configuration and trouble shooting of master, slave servers and set up of the clients
- Implementation of RAID techniques and the creation of Disk groups and volumes, plexes using VERITAS Volume Manager. Managing disks and file systems using VERITAS Volume Manager
- Configuring HA using VERITAS Cluster Server 3.0 for agents like NFS, Sendmail
- Performed custom Jumpstart to install Sun OS on multiple Sun Servers/workstations to simplify administration tasks
- Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager
- Troubleshooting Sun Solaris problems, logging call with Sun, Involvement in Racking servers.
- Interacting with various teams such Oracle database team, Run UNIX support team, Backup team.
Environment: Sun Solaris (2.7, 8, 9), AIX (4.2), HP-UX (11.0), Windows-2000/2003 Sun Ultra E 4800/3000/450/250 , Sun Fire 4800/3800, HP-9000, Proliant series, RS-6000, Veritas Foundation Suite