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Unix Administrator Resume Profile

Natick, MA

SUMMARY

  • Over 6 years of experience in different areas of System Administration Support Design, Implementation, Maintenance, Tuning and Troubleshooting of Servers running on IBM AIX 5.1/5.2/5.3/6.1, UNIX, Linux Red hat release 5.4,6.4 and Win NT/2000 Servers.
  • Used Hardware Management Console HMC to build and partition the latest P4 Regattas and P5 Squadrons.
  • Used VMware server / vSphere Client 5.1 to build Linux virtual partition.
  • Used HP OPEN VIEW to monitor production environment.
  • Experienced working with Sudoers file, push Sudo job and maintain Unix Available Unavailable servers in Blade logic 7.6.0.115
  • Experienced with virtualization Vio setup, Profile creation, Configuration ect.
  • Experienced with HMC administration and NIM Installations of LPARs.
  • Experienced Systems Administrator with IBM Pseries, LPAR capable Regatta P615, P630, P650, P690 and RS/6000 support experience.
  • Worked on the latest P5 server P590 , P595 and P6 server /AIX 5.3, 6.1 involving installing VI/O server, creating virtual LPARS/ DLPARS, implementing micro-partitioning, virtualization and shared Ethernet.
  • Experience in planning and implementation of HACMP systems.
  • Hands on Experience in Installation, configuration and maintenance of HACMP V4.5/5.1/5.2/5.3 as well as VERITAS Cluster on AIX V5.3/6.1/7.1 and Linux 5.4,6.4
  • Hands on Experience in Linux User management Creation of users and Groups Understanding /etc/passwd,/etc/group, and /etc/shadow.
  • Experience in Managing Linux partitions, Disk partitioning, Understanding and creating files system ext/2 to ext/3, converting file system ext/3 to ext/2.
  • Experience in Understand and Configuring /etc/fstab and /etc/mtab configuration files.
  • Extensively experienced with various methods of AIX Installation/Migration using alternate disk installation, Network Installation Manager NIM .
  • Experience in Setting up NIM servers and clients for New Complete Overwrite/Migration Installation management
  • Experienced in migrating AIX V4.3/V5.1 to AIX V5.2/V5.3/V6.1 using alternate disk installation method.
  • Troubleshoot NIS, NFS, DNS and other network issues, Create dump files, backups and move data.
  • Expertise in Automating processes like start server, stop server, etc., using Shell Scripting.
  • Experience in Installation and configuration IBM Tivoli Network Storage Manager TSM client Server software backup and recovery solutions and documented.
  • Experience in administration of SAN storage DS600/DS6800.
  • Experience in storage optimization and storage refresh, moving server behind SVC, installation of SDDPCM drivers.
  • Experience working with EMC storage, running EMCgrabe and Explorer on different flavor of Unix Servers.
  • Knowledge of working on Amazon Web Services AWS console.
  • Experience in monitoring the availability performance of AIX Servers through tools like vmstat, TOPAZ.
  • Experience in installing, configuring and administering Unix Utilities like SUDO.
  • Experience in Installation, Configuration and Testing of Team Quest Performance Software Application on AIX Hosts.
  • Quick learner and team player with strong analytical, trouble-shooting and communication skills.
  • Experience in providing on-call support as well as 24/7 support to offshore team

SKILLS

Operating System:

Windows NT 4.0/2000, AIX 4.3.3, 5.1, 5.2, 5.3,6.1 Solaris 7

Hardware:

Sun Enterprise Server 3000, IBM/6000, IBM series /RS 6000, UltraSPARC, Dell Power-Edge 4300 Series, RAID, Power4 p630, 650 , POWER5 p550 , POWER 5 p520 , Power 6

J2EE Technologies:

J2EE1.3, Java2.0, Servlet2.3, EJB2.0, JSP1.2, Java Beans, RMI, CORBA, Java Swing /AWT, XML, HTML, DHTML, VBScript, JavaScript, ANT Scripting, Unix Shell Programming, PL/SQL, C, C , COBOL, VB 6.0, PERL

RDBMS/DBMS:

DB2 UDB, Oracle 8.x/9.x, Sybase, SQL Server

Protocols:

TCP/IP, UDP/IP, SMTP, NAT, OPSEC, SNMP AND DHCP

Network:

WINS, DNS, Legato Networker, Tivoli storage manager, Solstice disk Suite, Norton Antivirus, BMC Patrol, Performance Co-Pilot, NetIQ Performance Monitor, Distinct Network Monitor, Distinct Network Associates, Sniffer Protocol Analyzer, Veritas Backup Software, ARCserve Backup software Exceed

Storage:

SCSI, SSA, RAID, FAStT, ESS, SAN, IBM Tape Libraries

LAN/WAN:

Netopia Routers, Hubs, Cisco Catalyst 2924XL, 2948G Switches, LAN Cabling, and Network Setup/Installation

Firewall:

Checkpoint NG firewall, Cisco PIX 501, 506 firewall, Clavister, NetASQ, checkpoint VPN

Security:

RADIUS, TACACS

EXPERIENCE

Confidential

UNIX Administrator

  • Installation and maintenance of AIX and Linux Systems.
  • Administration of AIX and Linux Operating Systems.
  • Administration of NIS in a multi-platform UNIX environment.
  • Configured NIM and install clients.
  • Build Linux VM as per client requirement using VMware vSphere client.
  • Experience in creating Iqoq report, sudoers push and maintain available and unavailable servers using Blade logic.
  • Configured TCP/IP for servers and workstations and setup of complete network.
  • Creating Linux partition on vSphere client, install Linux version 5.4 and 6.4 as per client requirement.
  • Linux User management Creation of users and Groups Understanding /etc/passwd,/etc/group, and /etc/shadow.
  • Linux partitions, Disk partitioning, Understanding and creating files system ext/2 to ext/3, converting file system ext/3 to ext/2 as well as configuring /etc/fstab and /etc/mtab.
  • Used the LVM extensively Created/Modified/Deleted Volume Groups, Logical Volumes and File systems Added/Removed physical disks Mirrored Volume Groups and Logical Volumes.
  • Implemented Crontabs, Shell Scripts for automatic back -up.
  • Wrote several shell scripts, perform background FTP, distribution of data to other servers, backup operations and management of large volumes of CAD data.
  • Experience in Linux VM profile creation and configuration.
  • Having knowledge of Decommissioning Unix servers, rack mount new servers as well as disk, power supply, hba replacement and reseat.
  • Involved in user, package and patch management and administration.
  • Network administration and Network monitoring.
  • Experience in providing on call Tier 1 and 2 support.
  • Experience in installation, configuration and maintenance of Vio servers as well as NPIV and VSCSI lpar.
  • Experience in working with different flavor of Storage, EMC, MPIO, HP.
  • Hands on experience working on AWS.
  • Responsible for successful OS upgrade, Storage Migration, Hardware refresh as well as driver and microcode upgrade.

Confidential

UNIX Administrator

  • Experience in providing day to day on call support to customer.
  • Expertise in disk mirroring, file system management, volume management, network management in Linux and AIX.
  • Responsible for installation, Configuration and Maintains GPFS cluster for application like Websphere, Oracle etc.
  • Performed process automation, scheduling of processes using CRON jobs.
  • Hands on experience in built and troubleshoot issue on VIO server and NPIV VSCSI client.
  • Monitoring system performance and check the status of the system using utilities such as vmstat, iostat etc.
  • Installation and configuration of Linux Partition using vSphere Client.
  • Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers.
  • Responsible for Vio server client administration, Installation, Configuration.
  • Responsible for migration of the EMC storage to IBM SVC storage on Stand alone, VIO and HACMP servers, Oracle RAC, GPFS.
  • Experience working on AWS.
  • Setup print queues and definition printing and plotting devices

Confidential

UNIX Administrator

Responsibilities:

  • Responsible for installation, Up gradation, and Migration for AIX 5.3,6.1.
  • Performed package installations, maintenance, periodic updates and patch management.
  • Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Installed and configured Veritas Volume Manager and Veritas Cluster Server on Solaris.
  • Experience in creating and managing LVM on Linux servers.
  • Experience in use of VMware to create Linux Partition and install Linux OS of different release as per client requirement.
  • Expertise in disk mirroring, file system management, volume management, network management in Solaris and AIX.
  • Configured and maintained JumpStart Servers. Performed JumpStart installations of various clients.
  • Performed process automation, scheduling of processes using CRON jobs.
  • Installing and troubleshooting of DB2, LDAP, and WebSphere.
  • Create database and LDAP instances and configuring LDAP.
  • Monitoring system performance and check the status of the system using utilities such as vmstat, iostat etc.
  • Worked closely with DBAs to install raid, disk areas for Oracle database instance installations, created Bourne shell database startup and shutdown scripts for UNIX servers.
  • Responsible for Vio server administration, Installation, Configuration.
  • Responsible for migration of the EMC storage to IBM SVC storage on Stand alone, VIO and HACMP servers, Oracle RAC, GPFS.
  • Backup DIT, Db2 databases, ACLs, POPs and provisioning policies.
  • Developed shell scripts for automated installations and to extract logs.
  • Experience in analyzing logs, problem determination, and Recovery and restart.
  • Configured IBM RS 6000,550,520,610 machines for production, staging and test environments
  • Configured SAN DS6800 vai Fiber Cable HBA. Identify LUN.
  • 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
  • Configured and administrated standalone and NPIV client Lpar's
  • Hands on experience on server level firmware upgrade and microcode upgrade. .
  • Client and server installation via NIM.
  • Daily roles included dealing with LVM extensively. Strong hold of LVM.
  • Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back.
  • 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.
  • Performed Disk mirroring, backup and restore for better data availability and Disaster Recovery.
  • HACMP upgrade from 5.3 to 6.1 and HMC upgrade from 5.x to 6.x to 7.x
  • Troubleshooting file system crash, disk space problems, and network problems.
  • Experience in HACMP Cluster Management, moving HACMP cluster server behind SVC.
  • Providing 24/7 support in Production/Development environment.

Confidential

UNIX Administrator

Responsibilities:

  • Involved in installation of AIX on Enterprise Servers.
  • Setup and configured network TCP/IP on AIX nodes including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on the Servers.
  • Performed IP networking Parallel System support Programs PSSP High availability Clusters.
  • Designed/built p-Squadron LPAR's profile
  • Managed Power5 p/i-squadrons 9117-570 using HMC
  • Responsible for configuration and deployment of new systems
  • Experience in micro- portioning and VIO, and LPAR/DLPAR Provisioning
  • Trouble shoot software and hardware problems
  • Implemented installed different Operating Systems on LPARs using NIM, such as Aix 6.x and Aix 5.x.
  • Implemented AIX VIO Server built LPARs with VIO Servers host DASD Virtual Ethernet
  • Install and deploy operating system patches, Security patches and fixes
  • Hands-on HW, Networking, Worked with squadrons CEC Enclosures hardware such as Adapter cards, Storage controllers, and DASD's
  • Good knowledge of HMCs: Update HMC code, Manage HMC Users, Configure Network setting for HMC's
  • Build, Install, deploy configure AIX on stand-alone Power4 pSeries Systems.
  • Good working knowledge of Installing, Configuring, and Upgrading Blade Center's Management Module
  • Good Knowledge of Installing, and Configuring Blade Center's Gigabyte Ethernet Switches such as Cisco, and Nortel for different subnets using VLAN ID'S
  • Upgrade AIX OS to latest Maintenance Levels Service packs
  • Automated the processes like start server, stop server, etc., using perl scripting which we integrated with shell scripting.
  • Good knowledge of Applying Online Updates for Patches Service Pack's for pLinux SuSE RHEL
  • Installed AIX and performed the OS upgrade flawlessly updating the existing applications and adding new ones without incident.
  • Implemented, installed and supported High availability Cluster on IBM pSeries Platform. HACMP on AIX
  • Developed Shell scripts for automating the batch jobs.
  • Performed User Account management, data backups, and user's logon support
  • Involved in testing of products and documentation of necessary changes required in this environment.
  • Maintained and supported GPFS/AFS/DCE-DFS file systems.
  • Provided 24x7 supports on shift rotation basis, with pager support in off-shifts.

Confidential

AIX Administrator

Responsibilities

  • Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
  • Installed and configured VIOS
  • Installed and configured Logical Partitions technology LPARS .
  • Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment. Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
  • Installation and Configuration of NIM
  • Configuration of Application Server in resource group.
  • Monitoring cluster health by checking logs files.
  • Installing OS AIX 5.3, AIX 5.2 on each Node using NIM.
  • Applying fixes and ML.
  • Software installation, updating and trouble shooting on systems using NIM and media.
  • Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders.
  • Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Responsible for configuring User Authentication for the AIX systems using LDAP.
  • Responsible for SAP DATA backups by TSM in tape.
  • Development in PERL for automated procedures like monitoring, backups, logs clean-up.
  • Applying software maintenance, program fixes and keeping the system software releases current.
  • Responsibal for SAN storage admin, provided support for Fiber channel adapter configuration and Space allocation.
  • Installation/Administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
  • Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
  • Expertise in installing, configuring and troubleshooting on JS20 and HS20 blades in IBM blade center.
  • Expertise working in a huge environment that consists of almost 200 Servers including RS/6000, p-series and IBM Blade Center.
  • Work in AIX in a SAP environment
  • Experience in setting up clusters and creating repository queue managers for load balancing.
  • Experience in analyzing logs, problem determination, and Recovery and restart.

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