We provide IT Staff Augmentation Services!

Linux Administrator Resume Profile

3.00/5 (Submit Your Rating)

Summary:

  • 5 years of System Administration with Excellent knowledge in AIX AIX 5.2, 5.3, 6.1, VIO, HACMP, TSM, SAN, Linux, Solaris Windows .
  • Excellent skill in AIX administration that consists of installations, performance tuning troubleshooting, backups, restore, server-builds, Virtualization, HACMP and Disaster Recovery.
  • Built and performed various Lpar migrations across different frames.
  • Performed numerous OS migrations and TL upgrades.
  • Performed and monitored daily tasks such as mksysb backups, failed logins, error report checks/required troubleshooting etcetera.
  • Planned and Configured VIO servers and clients from scratch on p570 power6, p770, p740 power7 frames.
  • Created SEA on VIO servers and managed VSCSI for disk mapping through VIO servers.
  • Configure Integrated Virtual Ethernet - LHEA to assigned IP address.
  • Configured NetApp storage through NPIV on p570 power6, p740 and p770 power7 Frames.
  • Worked as an AIX focal for critical Disaster Recovery tests.
  • Organized various Knowledge transfer sessions for training new teams in Virtualization.
  • Created two node active-passive HACMP clusters and migrated a HA cluster from a power5 frame to a virtualized power6 frame.
  • Maintained and managed HA clusters effectively.
  • Tested GLVM as a part of Disaster recovery strategy.
  • Very skilled at performance tuning and installation of performance measurement tools such as GMON, lparmon etcetera.
  • Good working knowledge of TSM and SAN DS8300 .
  • Effective in working with NFS and related troubleshooting
  • Efficient in working with NIS and NIS user ids.
  • Skilled with NIM restores configuration and troubleshooting.
  • Confident with al aspects of user ID administration, SUDO implementation, health checks and audits.
  • Excellent communication and documentation skills. Leadership qualities and team working. Very efficient in learning and teaching new technologies.

Technical Skills:

  • Languages : C, C , HTML, Matlab Operating Systems : MS-DOS, Windows 7/XP/2K/98, UNIX, LINUX, Macintosh IBM AIX 5L, 5.1, 5.2, 5.3, and 6.1 Linux RedHat, SUSE , Windows2003/2000/XP/NT4.0, Sun Solaris. MAC8.1/9/10 and OS2 Web Design Tools : Visual studio. Net 2003, ASP.NET, ADO.NET
  • Microsoft Tools : Word, Excel, PowerPoint, etc.
  • GUI and Database : .Net Framework, SQL Server 2000
  • Hardware : Support networking, Installation, PC Maintenance Troubleshooting IBM RS/6000,
  • pSeries 520,550,570,,590,650,670,740,770 SUN Enterprise 450 IBM Blade Servers.

Profissional EXPERIENCE:

CONFIDENTAIL Role: Aix Administrator

Responsibilities:

  • Configured SSH for secure telnet and FTP connections.
  • Network trouble shooting, performance, and resource monitoring using monitoring tools like Topas, nmon SAR etc.
  • Provide onsite and remote support for AIX Server's.
  • Experience with installation, configuration, upgrade and administration of IBM pSeries and Power5/Power7 servers on various levels of AIX operating system utilizing environment.
  • Created /Installed and Managed 10 LPAR on p740 and p770 power7 machines.
  • Performed AIX 5.3 / 6.1 installation using Media and mksysb using NIM servers.
  • OS Migration from AIX 5.3.5, 5.3.11 to AIX 6.1.4 using Media and mksysb using NIM servers.
  • Supporting and managing IBM pseries servers P5/P6/P7 using HMC1 version V7R3 and HMC2 version V7R7.
  • Created/Installed/Configured Dual VIO servers version 2.1.3 and client Lpar's from scratch on p770 power7 Frames with SEA failover.
  • Set up and configure virtual resources' virtual SCSI, virtual Ethernet, and virtual FC .
  • Assigning Integrated Virtual Ethernet also known as LHEA Logical Host Ethernet Adapter to the Lpar's to configure IP address.
  • Migrated SAP R/3 Technical Upgrade environment includes AIX servers from AIX 5.3TL5 to AIX 6.1TL4.
  • Create standard LPAR, performing DLPAR operations to manage resources between machines.
  • Extensively working experience in LVM, which includes creating VG, LV and file system.
  • Configured and troubleshoot LVM and network related problems in AIX.
  • Backup rootvg through mksysb and using Control M Job scheduling software on daily and weekly basis.
  • Created user accounts and groups and performed user account management.
  • Configure IBM DS8300 storage, configure arrays and created logical drives and mapped with the VIO Servers.
  • Performed administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management.
  • Configure/Troubleshoot network printers and various printing devices HP JET DIRECT .
  • Setup DR Environment at DR site. This setup includes creating and configuring virtual clients LPAR, installing AIX images from existing servers and performing DR test.
  • Monitor and ensure that backup server Backup Express version 3.1 maintenance tasks are successful on a daily basis, correcting any errors when necessary.

CONFIDENTAIL Role: Unix/Linux Administrator

Responsibilities:

  • Provide onsite and remote support for AIX Server's.
  • Provided 24x7 on call server support for UNIX environment.
  • Configured IBM p-series 550,570,590,595,690 machines, for production, staging and test environments.
  • Responsible for planning and coordinating Lpar migrations across frames.
  • Responsible for planning and setting up a virtualized environment from scratch.
  • Built VIO servers and clients from scratch on p6 Frames.
  • Upgraded VIO software in a production environment.
  • Created SEA, Virtual SCSI, Virtual Fiber channel and configured NPIV.
  • Responsible for Auditing Server build's, to ensure security compliance.
  • Installation and configuration of LPAR's with AIX 5.3, 6.1 on p5 and P6 servers.
  • Created HACMP clusters in a dedicated and a virtualized environment and provided steady state support along with required troubleshooting.
  • Experience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager TSM .
  • Hardware troubleshooting, Maintenance and replacement of failed hardware.
  • Provide redundancy with HBA card, Ether channel configuration and network devices.
  • Coordinating with application and database team for troubleshooting the application or Database outages.
  • Coordinating with 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.
  • Skilled in using and maintaining Hardware Management Console for various operations.
  • Upgrading HMC version and Firmware.
  • Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
  • Very good LVM skills, used LVM, created VGs, LVs, disk mirroring and performed through troubleshooting when required.
  • Responsible for Installing Security fixes and APAR's in Servers.
  • Installation and configuration of NIM master server and clients.
  • Implemented PLM Partition Load Manager on AIX 5.3. and 6.1
  • Installing OS on NIM clients using NIM Server.
  • Skilled at configuring maintaining and troubleshooting NFS filessystems.
  • Worked with NIS and maintenance of NIS userids.
  • Coordinated and performed DR test as the AIX focal.
  • Administer enterprise-level Red Hat Linux systems for development, test, and production environments using VMWare, VSphere, and VCloud.
  • Install new and/or rebuild and maintain existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards, policies, project and operational requirements, and licensing agreements.
  • Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure or add new services as necessary.
  • Perform ongoing performance tuning, hardware upgrades, and resource optimization as needed. Configure CPU, memory, and disk partitions as required

CONFIDENTAIL

Role: Operation / Aix Administrator

Responsibilities:

  • Provided server and applications administration including IBM AIX P-Series and P5 systems.
  • Installed open ERP client/server based on the client requirements.
  • Performed automation, trouble shooting and monitoring of the client/server ERP solution.
  • Installed and managed the system with HMC.
  • Configured and installed the web based system manager using the HMC.
  • Installed VMware server 2 on the systems.
  • Filesystem management on various platforms.
  • Created Copies of Logical volumes on different physical volumes in rootvg or as requested by the application team.
  • Created active and passive clusters in HACMP.
  • Extended failover to backup resources at remote sites using optional PowerHA
  • Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters.
  • Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management.
  • Provided UNIX infrastructure, operations and support for IBM P-Series 650, 670,690 and P5 servers P570/590/595
  • Performed installation, periodic maintenance updates and apply APAR fixes.
  • Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
  • Setup and configured network TCP/IP on AIX including RPC connectivity for NFS.
  • Configured and administrated Lpar's.
  • Configured and administrated VIO server and Lpar clients.
  • Administration Tasks included User administration, Performance, Sendmail, weekly mksysb
  • Daily roles included dealing with LVM extensively. Strong hold of LVM.
  • Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online .
  • 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.
  • Dealing with user id deletion with removing entries from CRONTAB.
  • Performing Failovers in HACMP / cluster environment, monitoring servers
  • Installed and configured AIX 4.3, 5.0, 5.1 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and filesystems JFS on RAID Level 5 with appropriate data stripping for protection, and for the optimal performance of the RS-6000 Servers within a High Availability system using DASD, DCE and DFS services.
  • 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 automatic tape libraries and recovering
  • Installed and configured Sudo for users to access the root privileges.

CONFIDENTAIL

Role: Aix Administrator

Responsibilities:

  • Setup and Configuration of IBM 595,570,550,520,650,610 machines for production, staging and test environments
  • Configuring CISCO firewalls for filtering and packet capturing.
  • Creating and Managing virtual LPARS on power5 systems partitioning pSeries server and performing DLPAR.
  • Hands on experience on pSeries LPARS and DLPARS definition.
  • Building and administrating VIO server and Lpar clients.
  • Perform installation, configuration, tuning, security, backup, recovery, and upgrade of IBM p-series hardware.
  • Performed common system administration task including adding users, creating file systems, configuring volumes weekly mksysb.
  • Planned and implemented HACMP 5.1 clusters supporting several oracle instances.
  • Performed day-to-day administration tasks like User Management, Space Monitoring, Performance Monitoring and Tuning, alert log monitoring and backup monitoring.
  • Daily roles included dealing with LVM extensively. Strong hold of LVM.
  • Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online .
  • Built, decommissioned, configured and monitored 2 node HACMP 5.2 clusters.
  • Used Perl v5 for systems tasks as well as C and Korn shell scripting.
  • Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters, configuring LUN's back.
  • Installation and Configuration of IBM Websphere server 6.1 and solved issues in Websphere server.
  • Configured Work Load Management WLM for IBM Websphere Application Server.
  • Administered and performed performance tuning on IBM Web sphere Application Server that includes JVM profiling, work load management, connection pooling and thread pool.
  • Responsible for performance tuning of AIX systems, applying upgrades to AIX current version 4.3.x to upgrade 5.2 .
  • Planning and coordinating activities related to upgrades and maintenance on the systems.
  • Monitor and maintain the SAN directors, disk space, backup systems and tape libraries and Implement change controls, capacity planning and growth projections on the systems.
  • 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 with user id deletion with removing entries from CRONTAB.
  • Developed Korn and Bash shell-scripts to automate routine activities.
  • Developed shell scripts using Perl, awk for automation of Systems administrative tasks.
  • Configured Work Load Management WLM for IBM Websphere 6.1 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 automatic tape libraries and recovering.
  • Installed and configured Sudo for users to access the root privileges.
  • Installed application connectivity software to enable IBM print services.
  • Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySql database, and firewalls in both development and production.
  • Write and Maintain shell scripts to automate the system administration tasks.
  • Migrated database applications from Windows 2000 Server to Linux server.
  • Installing and setting up Oracle9i on Linux 5.0 for the development team.

CONFIDENTAIL

Role: UNIX Administrator

Responsibilities:

  • System Administration of existing RS 6000 running AIX 40 systems in Network . Created users, manage user permissions, maintain User File System quota.
  • Administration, including backup/recovery in NAS environments.
  • Migrating AIX OS from 4.3.3 to 5.1 on pSeries,RS/6000 Servers.
  • Migrating AIX OS from 5.1 to 5.2, 5.3 on pSeries, RS/6000 Servers.
  • Installation, Administration and configuration of LPAR's with AIX 5L on p5 servers
  • Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB IBM HTTP server with SSL for secure communication providing technical support to users
  • Setup network printers and installed client/server applications. Define/setup network protocols, Network File Services NFS , and Network Information Services NIS . Network management of TCP/IP networks, IP address management. Performing upgrades of OS and applications. Korn C shell scripting, mainly for scheduling jobs CRONTAB Inventory management for Software and Hardware. Tested products for evaluation purposes and documented for necessary changes required as per environment. Performed daily backups, restoration of data as per requests from developers. Configured SSH for secure telnet and FTP connections. Provided support by 24x7 shift rotation basis and pager support. Performed User Account management, data backups, and users' logon support. Diagnosed hardware and software problems and provided solution to them. Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment. Updated data in inventory management package for Software and Hardware products. Capacity Planning, Infrastructure design and ordering systems.

We'd love your feedback!