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.