Unix System Administrator Resume
PROFESSIONAL SUMMARY:
- Over 9 years of experience in different areas of System Administration.
- Extensive System Administration experience in heterogeneous environments comprising Red Hat Linux 4.x,5.x, 6.x, Sun Solaris (8/9/10), IBM AIX 4.x,5.x,6.x, SUSE 10/11 and ESX.
- Extensive experience in Installing, Configuring, Administering, Maintaining and troubleshooting various types of Redhat, Linux, SUN Solaris Systems and AIX Servers.
- Experience in implementing High Availability Clusters using Veritas Clustering and Redhat Cluster Server.
- Experienced in supporting Sun Solaris and Linux Servers in teh Production environment.
- Experience wif Integrated Virtualization Manager (IVM)
- Build Linux Servers on Dell 2850, HP DL 580 G5, 380 G5,380 G7 via Kickstart Server.
- Installed and configured RHEL Linux, Novell SUSE Linux Enterprise server 9, 10 on servers & desktops.
- Hands on experience wif Ubuntu and CentOS.
- Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for teh system growth needs using Logical Volume Manager (LVM).
- Experience in Solaris 8, Solaris 9 and Solaris 10 Live Upgrade projects and has expertise wif SMF utilities, Zone Configuration and ZFS File Systems.
- Hands on experience wif Puppet.
- Monitoring and configuration of various servers using Puppet modules.
- Installation and configuration of PlateSpin.
- Installation of patches, Security fixes, packages on AIX, Linux, Solaris and Windows (wintel, windows 7, XP, Vista) NT/2003/2008/2010 Servers.
- Experienced in Installation and Configuration of Web Sphere Application server V3.5/4.0/5.x,6.x, IBM HTTP Server, Sun - one Webserver on AIX, Solaris and Linux platforms.
- Monitoring and configuration of various servers using Puppet modules.
- Configuring and administering VMware ESX/ESXi and created and managed VMs (virtual server) and also involved in teh maintenance of teh virtual server.
- Expertise in building Microsoft Windows 2008 R2, 2008, 2003, 2000 servers using HP Smart Start, Array configurations, diagnosing server.
- Worked on ESX and ESXi 3, 3.5, 4.0, 4.1 and 5.1.
- Worked on vCenter Server 4.1 and 5.1 for managing multiple ESXi Servers.
- Build and troubleshooting experience wif ESX Servers and ESXi Servers, vSphere and vCenter manager.
- Strong noledge and hands on experience in data center Migration.
- P2V and V2V conversions using VMware Converter Enterprise 3 and 4 and PlateSpin.
- Strong understanding of VMware Networking concepts like creation of vSwitches, different types of portgroups, NIC Teaming and VLAN Problem management on VMware ESX 4.X and Virtual Center and vMotion.
- Configuring and administration of NFS server and NFS client & NIM Server and Client.
- Installation, Configuration and administration of Sun Solaris 8,9,10 via Wanboot Server on various hardwares like M5000, T2000, T5000, E25k, E15k, E2900, SPARC and V series Hardwares.
- Experience wif various tools and technologies such as CDE, SDS(Solstice Disk Suite), Veritas Volume Manager, Veritas Symantec NetBackup, Samba, RAID technology and other Admin tools.
- Managed teh use of disk space, memory, network segments and other communication devices
- Created and Managed File Systems for Oracle and Sybase Databases.
- Worked wif monitoring tools like Tivoli monitoring, HP OpenView, Wily Introscope, Active Watch and BMC Patrol.
- Responsible of development and maintenance of build from included 32 bit 64 bit x86 and Sparc machines.
- Exposure wif x86 Assesemble
- Worked on different ticketing tools like Remedy, Peregrine Service center, Service desk etc.
- Installing, Configuring, Supporting and Upgrading Symantec NetBackup on teh Unix Servers.
- Configuring and Managing Backups of all teh Unix Serrvers and managing AIX tape backups.
- Configuring and Managing HP StorageWorks Tape Library ESL286e.
- Experience wif different tapes which includes, SDLT-me, SDLT-II and LTO Tapes.
- Experienced in installing Powerpath, SDD and HDLM drivers for accessing SAN on teh UNIX Servers.
- Experience wif Cobbler, AutoYast, RPM package manager, Kickstart, Novell's Identity Manager and VERITAS File System management, VCS (VERITAS Clustering Suite).
- Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
- Installation, administration of VIO Server’s, VIO client LPAR’s and Dedicated LPAR’s.
- Power VM Virtualization (SEC,vSCSI,NPIV), Dynmaic LPAR (DLPAR).
- Migrating AIX OS from AIX 4.3 to 5.1, 5.2 and 5.3, 5.3 to 6.1 on models of p-series hardware.
- Perform korn shell and Perl scripting as needed to support integration and automation as necessary.
- Experience wif patch/package management tools such as up2date, yum, Solaris patchadd, AIX install.
- Provide 24x7 on call server support for UNIX and Windows Production environments.
- Very good exposure of teh migration process using SRDF, involved in V2V, P2P and re-installs.
- Ability to learn new and existing hardware and software and adapt to new environments
TECHNICAL SKILLS:
Operating Systems: IBM AIX 4.3, 5L, 5.1, 5.2, 5, 3, 6.1 Linux 3.x/4.x/5.x/6.x (Redhat, SUSE, Ubuntu, CentOS), Windows (wintel, windows 7, XP, Vista) 2000/03/NT4.0, Sun Solaris 8/9/10 and ESX4.x/5.x.
Virtualization Products: VIO, Solaris Zones, Vmware ESX 3, 3.5 and 4.0/4.1, Virtual center server, Vmware converter enterprise, Vmware Update Manager.
Server Hardware: IBM RS/6000, pSeries 550,570,650,630,670,710,750,770, x86, SUN Sparc Ultra’s, SUN Enterprise 450, M4000, M5000, M9000, T2000, E25k,V 240/280, T4-1, Dell 2850, 3850, R710, R910, HP DL 580 G5, 380 G5, HP Superdome, Brocade Switches, CISCO Nexus 2000 and 5000 Series Switches and Fabric Extenders, EMC, Cyclades Terminal Servers, Cisco2900 Routers.
Admin Skills: Puppet,Solstice Disk suite, SVM, LVM, Verities Volume Manager, VCS, Legatos Net worker, Symantec NetBackup, VMware Vsphere, PlateSpin, Admintool, IBM Tivoli, Remedy Web Logic, MQSeries, SMF utilities and Zone Utilities,smit, linuxconf, vmstat, iostat, top, traceroute, ntop, webmin sar and Oracle 8.0/9.2/10g.
Storage Hardware: Symmetrix DMX 800/1000 / DMX-2 / DMX-3 & EMC CLARiiON FC and CX series, Hitachi VSP, FC JBOD, Brocade FC Switches, Net App Filers, Qlogic and Emulex FC HBAs, Brocade silk worm 3200, 3800,48k, iSCSI / FC Storage arrays, RAID Storage arrays, DLT and LTO Tape Libraries.
Web/Application Servers: WebSphere Application Server 3.5/4.0, MQSeries, WebLogic
Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.
PROFESSIONAL EXPERIENCE:
Confidential
Unix System Administrator
Responsibilities:
- All aspects of 24x7 Live site Operations.
- Performed build from scratch installation, migration, configuration and maintenance LINUX 4.x/5.x/6.x, Suse 10/11 and ESX via Kickstart Server and AIX of AIX 5.3/5.2/5.1/6.1 on IBM P series Hardwares through NIM server and Solaris 8/9/10, on M5000, T2000, T5000 and E25K hardware., via Wanboot Server.
- Worked on all types of Hardwares like Dell 2850, 3850, 6850, HP DL 580 G5, 380 G5, M5000, T2000, E25k.
- Build and configured migrations of Linux (V2V, P2P and Lift and Shift on RHEL 5).
- System Administrator/Integrator role in a large team responsible for maintaining of Linux operating systems such as SUSE 10/11.
- Installed different virtualization products such as vmware server 2.0, ESX 3.5/4.0 on a physical server which in turn will host different virtual servers running different SUSE versions, Linux, Solaris etc.
- Automated server building using System Imager, PXE, Kickstart and Jumpstart.
- Build, configured, and deployed RedHat virtual servers in a VMware vCenter environment.
- Installed AIX as LPAR on an IBM P series servers maintained by using HMC set up on a SUSE server.
- LVM (Logical Volume Manager) Administration, OEL and VMware Administration.
- Migrating VCS, Oracle RAC and Redhat Clusters wif gfs filesystems servers across teh Data Center, which includes Configuration of new IP, VIP and Prative IP.
- Adding Oracle ASM disk to teh server. Creating and managing LVM.
- Involved in large data center migration - planning, designing, moving servers to new data center, coordinating & troubleshooting issues wif various data center, network, application and storage teams.
- Physical to Virtual Machine Migration (P2V) and Physical to Physical Server Migration (P2P).
- Configuring and monitoring Disk Mirroring and stripping using LVM.
- User Management Administration and File System Management.
- Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
- Perform day to day LVM operations and System Admin tasks
- Create virtual media repository and LPAR dedicated virtual optical drives in teh VIO servers to make new installations, cloning and migrations faster and easier
- Configuration of VIO server and VIO clients from Hardware Management Console..
- Administration of multiple AIX machines, AIX clusters, & SP nodes from any client platform through WebSM.
- Installation and configuration of NIM master server and clients. Installing OS on NIM clients using NIM Server.
- Install and troubleshoot Galileo performance explorer on teh AIX Systems
- Documented teh procedures to install VIO, Client LPAR’s & NPIV setup on AIX machines
- Performance monitoring utilities like IOSTAT, VMSTAT, SAR, TOP and PRSTAT
- Configuring and implementing LINUX Kernel re-compilation.
- Monitoring and configuration of various servers using Puppet modules.
- Implemented rapid provisioning and life cycle management for Redhat linux using kickstart and puppet.
- Improved Linux OS deployment & management by creating customized kickstart scripts and installing puppet.
- Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
- Installed and Configured WebSphere Application Server 5.1 and 6.1
- Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on teh Unix Servers.
- Installing tools like PowerPath, Power Broker, BMC patrol, VSA, Tivoli, ITM on teh AIX and Linux.
- Migration of ESXi host and Vm's across datacenters.
- Upgrading from vSphere 4.1 to vSphere 5.0.
- Adding Disks and Creating Slices and File System Administration on Solaris 8/9/10.
- Installing and configuring CentOS6.x on VMware Machines.
- Implementation and setup of local Linux disk backups using open Symantec NetBackup.
- Responsible for Installing Security fixes, upgrading technology level’s and APAR’s on teh UNIX Servers.
- Installation and configuration of NIM master server and clients.
- Installing OS on NIM clients using NIM Server.
- Hardware troubleshooting, Maintenance and replacement of failed hardware.
- Troubleshooting Solaris, Sun Server hardware, Veritas Volume Manager (Veritas Foundation Suite),Veritas Cluster Server, Sun Cluster problems.
- Build Sun Solaris Servers from scratch wif Jumpstart & Flash Archives for upcoming projects.
- Creating and extending large file systems for SAP Applications & Oracle in AIX servers.
- Troubleshoot hardware issues, cabling issues and check for issues on fabric or switch.
- Veritas File System. Creating/deleting root disks, root mirror, metadevices, metadbs, mirrors using Solaris Volume manager Solstice Disk Suite.
- Configuration of Solaris 10 Wanboot server, zone creation, Role administration.
- Migrating of teh Zones from one Hardware to a different Hardware me.e P2V and V2V migration.
- Well Experienced in Live Upgrades Projects on teh Solaris 10.
- Migrating teh existing Solaris Servers from SVM to UFS and tan to ZFS for Live Upgrades
- Installation and Configuration of teh Veritas Cluster on teh Unix Servers.
- Adding EMC LUNs to AIX Servers for ongoing space requirements, Managing EMC master agents on AIX, working wif Storage team on EMC Symmetrix
- Logging calls wif Sun Microsystems, Veritas, Symantec, Emulex, EMC, HP (Linux) for resolution of critical problems.
- Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on teh Unix Servers.
- Maintaining HP StorageWorks ESL286e Tape Library for teh Backups via Symantec NetBackup
- Creating Policies for teh Servers to be backup depending upon teh requirements.
- Configuring Full Backup, differential and Incremental Backup’s using Symantec NetBackup.
- Restoring teh Files or teh FileSystems from teh Symantec NetBackup.
- Updating Symantec Netbackup from 6.5 to 7.1 and 7.5 on teh Unix Servers
- Dealing wif sev1, 2, 3, 4 and system down PMRs.
- Expertise in troubleshooting various versions of PowerHA (hacmp) like 5.x,6,x to teh most recent one 7.x
Confidential
Unix System Administrator
Responsibilities:
- All aspects of 24x7 Live site Operations.
- Responsible for software( migrating from older version 4.3, 5.4 of Aix to newer 6.x version) and hardware refreshes ( responsible for migrating teh old hardware RS-6000, sp nodes, p4 to new hardware p6 )
- Build and provide support for AIX, Linux and Solaris Server’s.
- Installing and Configuring Redhat Linux 4.0/5.0/6.0 on teh HP DL 380, 580 Hardwares
- LDAP installation and Configuration on teh Unix Servers.
- File System creation and Management.
- Installing and configuring Ubuntu on teh Virtual Machines.
- Trouble shooting wireless network issues on teh Ubuntu.
- Managing Disk File Systems, Server Performance, Users creation and Granting File access Permissions.
- Mirroring of root disk on AIX and Linux Servers.
- Troubleshooting User’s login and home directory related issues
- Managing Disks and Partitions using LVM(Logical Volume Manager)
- FTP creation and HMC user ID Management.
- Security implementation by using ACL’s and Special file Permissions.
- Expertise in Troubleshooting on High Availability Clusters (HACMP).
- Responsible for migrating Hacmp form v5.4 to 5.5 and to powerHA
- Responsible for Auditing Server build’s, to ensure security compliance, and SOX compliance.
- Installation and configuration of LPAR’s wif AIX 6.1, AIX 5.3 on p5 and p6 frames.
- Experience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager (TSM).
- Installed and configured RHEL Linux, Novell SUSE Linux Enterprise server 9, 10 on servers and desktops.
- Co-ordinate wif IBM/SUN CE’s to replace failed Hardware or add new hardware including but not limited to fiber channel adapters, Ethernet controllers, disks, memory dimm’s etc.
- Coordinating wif SAN team for allocation of LUN’s in order to increase filesystem space.
- Troubleshoot SAN issues wif EMC Symmetrix and Clariion.
- Configuration and administration of Fiber card Adapter’s and handling AIX part of SAN.
- Adding new managed systems to teh HMC and upgrade teh firmware of teh HMC’s as required.
- Installation and troubleshooting on VMware running Linux (RehHat, SUSE) and Windows (Windows 7, Vista).
- Clustered multiple p-series machines on AIX 5.3 and AIX 6.1 using HACMP 5.4 and IBM PowerHA.
- Installed and configured IBM PowerHA.
- Wrote shell scripts for automated installations, to extract logs.
- Performing Failovers in HACMP / cluster environment, monitoring servers.
Confidential, Agoura hills, CA
Unix/AIX Administrator:
Responsibilities:
- Provide onsite and remote support for AIX/Solaris Server’s.
- Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
- Responsible for software( migrating from older version 4.3, 5.4 of Aix to newer 6.x version) and hardware refreshes ( responsible for migrating teh old hardware RS-6000, sp nodes, p4 to new hardware p6 )
- Configured IBM p-series 550,570,590,595,690 machines for production, staging and test environments.
- Installation and troubleshooting on VMware running Linux (RHEL, SUSE).
- Responsible for Auditing Server build’s, to ensure security compliance, and SOX compliance.
- Expertise in Build, Install, load and configured teh boxes Power 550,520,560,570,590,595.
- Installation and configuration of LPAR’s wif AIX 5.3 on p5 servers.
- Experience in Installation, Configuration, upgrading and Troubleshooting of Tivoli Storage Manager (TSM).
- Installation and troubleshooting of IBM Director and Tivoli Endpoint.
- Hardware troubleshooting, Maintenance and replacement of failed hardware.
- Provide redundancy wif HBA card, Ether channel configuration and network devices.
- Coordinating wif application and database team for troubleshooting teh application or Database outages.
- Coordinating wif SAN team for allocation of LUN’s in order to increase filesystem space.
- Configuration and administration of Fiber card Adapter’s and handling AIX part of SAN.
- Configuration of VIO server and VIO clients from Hardware Management Console.
- Upgrading HMC version and Firmware.
- Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
- Installed and configured RHEL Linux, Novell SUSE Linux Enterprise 8, 9 and 10 on servers and desktops.
- Experience wif Cobbler, AutoYast, RPM package manager, kickstart, Novell's Identity Manager and VERITAS File System management.
- Good LVM skills, used LVM, created VGs, LVs, and disk mirroring.
- Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
- Experience in connecting to an EMC disk subsystem wif Powerpath and MPIO.
- Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Configured Work Load Management (WLM) for Apache and IBM WebSphere Application Server.
- Clustered multiple RS6000/p-series machines on AIX 5.2/5.3 using HACMP, configured HACMP cluster to keep applications running.
- Configured cascading, mutual takeover and rotating modes of operation of teh HACMP and HACMP/ES.
- Performing Failovers in HACMP / cluster environment, monitoring servers.
- Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Worked wif monitoring tools like Tivoli monitoring, HP OpenView, Wily, ActiveWatch and BMC Patrol.
- Backing up AIX servers using mksysb and ADSM/TSM.
- Improve server utilization and sharing me/O resources to reduce total cost of ownership and make better use of IT assets using PowerVM (Advanced Power Virtualization).
Confidential NJ
Unix/AIX Administrator
Responsibilities:
- Configured IBM RS 6000/p-series,550,570,520,610 machines for production, staging and test environments
- Hardware Maintenance and System Administration of Solaris servers.
- Configured and administrated LPAR’s.
- Installed, Configured and administrated VIO server and Lpar clients.
- Administration Tasks included User administration, Performance, Sendmail and weekly mksysb
- Daily roles included dealing wif LVM extensively. Strong hold of LVM.
- Experience wif VERITAS NetBackup, VCS and backup and recovery using VERITAS NetBackup and ADIC tape libraries.
- Taking backups wif VERITAS NetBackup 5.0 and troubleshoot failed backups.
- Daily tasks included dealing wif AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters.
- Installation and troubleshooting on VMware running Linux (RehHat) and Windows.
- Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Dealing wif user id deletion wif removing entries from CRONTAB.
- Performing Failovers in HACMP / cluster environment, monitoring servers wif VERITAS Cluster Manager, VCS (VERITAS Clustering Suite).
- Responsible for installing configuring and supporting active directory
- Configured Work Load Management (WLM) for IBM WebSphere Application Server.
- Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494, STK (Sun) ACSLS tape libraries.
- Perform UNIX administrator duties supporting production servers running ERP (SAP) and database (Oracle, data guard, Sybase, PeopleSoft, and DB2).
- Installed and configured Sudo for users to access teh root privileges.
- Administered UNIX servers for several functions including managing Sendmail, Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
- Developed Korn and Bash shell-scripts to automate routine activities.
Confidential, NJ
Unix/AIX Administrator
Responsibilities:
- Installation and maintenance of Windows and AIX Systems.
- Administration of AIX Operating Systems.
- System & backup management using IBM ADSM Backup Server.
- IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
- Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
- Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
- Setup and administered training room / Mentored students during training
- AIX systems administration and Disk Management using command line and SMIT.
- Logical Volume Management (LVM) of AIX.
- Predefined and Customized Volume Group management on AIX
- Creating user accounts and providing permissions based on job requirements and security clearance.
- Hardware troubleshooting and Systems and maintenance.
- Performance Management & Tuning of AIX UNIX Kernel.
- Managing cron jobs, batch processing and job scheduling.
- Software installation and maintenance.
- Installation and administration of peripherals.
- Security, users and groups administration.
- Networking service, performance, and resource monitoring
- Daily backup and restore operations.
- Set-up and administration of DNS server.
- Perform Korn shell and Perl scripting as needed to support integration and automation as necessary.
- Monitor system performance on a daily basis to ensure adequate response times on production systems.
- Review Design Documentation confirming to Software Requirements
- Other standard system administration tasks performed, such as system monitoring, performance usage, network support, and user support.