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Unix Aix & Linux Administrator/engineer Resume

Milwaukee, WI

SUMMARY:

  • Over 12+ years of experience in UNIX Administration.
  • Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of Confidential AIX, Sun Solaris, Win NT/2000/03 Server, Linux (Red Hat &SuSE) in a very large environments.
  • Experienced in all aspects of AIX System Administration and support for all RS/6000 servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc. Most of these tasks are performed using native Korn Shell scripts.
  • Experience in Installation and configuration of Flash copy and LAN.
  • Configured and migrated virtual machine from one host to other.
  • Worked on VMware and Advance Power virtualization.
  • Managing and mounting file systems (using NEWFS, FORMAT, FSCK, MOUNT, VOLD) ufs. And Installing the Solaris operating system.
  • Good knowledge in Confidential AIX hardware components (RS/6000, pSeries), trouble - shooting and maintenance of PC’s
  • Installation and configuration of WebSphere on Aix server.
  • Installed VERITAS Cluster Server on Solaris, with Oracle agent.
  • Backup and restoration process in Solaris.
  • Experienced in implementing the workload Management (WLM) using cloning and clustering.
  • Experience in monitoring the availability & performance of AIX Servers through tools like vmstat, netstat, and iostat.
  • Subject Matter Expert in AIX 6.1, 5.3 with APV, Lpar, Wpar& LPM (Live Partion Mobility) as well as strong knowledge of Solaris 10 with Ldoms/Zones, HP-UX11i and RH Linux5.
  • Experience in client/server based ERP solutions.
  • Expertise in migration from HACMP V5.3 to HACMP V5.4, 5.5 and migrations of data center.
  • Experienced in Installation, configuration, maintenance and troubleshooting of HACMP.
  • Well Versed in Installing, Configuring and Trouble-Shooting Application Servers like Confidential WebSphere 3.5/4.0/5.0, BEA WebLogic and Web Servers like Confidential HTTP Web Server, iPlanet Web Server, Apache Webserver on, AIX and Windows 9X/200X.
  • Extensive Experience in optimization of Enterprise Applications using WebSphere Application server 6,6.1, XML Config, Workload Management (WLM), WAS Resource analyzer, WebSphere Test Environment (WTE), Confidential Visual Age for Java, EJB, JNDI, LDAP, JMS, Oracle 10i,9i/8i/7.x, DB2 UDB on, AIX and Windows 2000/03.
  • Configuration management including the building of LPARs and configuring the hardware devices that support them.
  • Adept at Monitoring and altering file system usage, hardware and system process failures.
  • Experience with Korn Shell, CShell and Perl Scripts.
  • Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS+, DHCP, SMTP, and Networking with TCP/IP.
  • Skilled at Confidential -AIX kernel Tuning, Performance Analysis and Load Balancing.
  • Proven ability to define System requirements, recommended solutions, analyze capacity and make appropriate modifications.
  • Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different LINUX platforms like Redhat, CentOS, SuSE, Debian, Fedora

TECHNICAL SKILLS:

Hardware Platforms: Confidential RS-6000, P-series HP 9000, Challenge L/DM, Indigo2Extreme, Indigo2 Impact, Web force Indy, O2, Sun Fire V480, 6800, Sun Enterprise Servers E3500/6500.

Operating Systems: AIX 5L, AIX 4.3 5.3 6.1, AIX 4.2, AIX 3.2.5, Solaris, Linux HP-UX 10.02, IRIX 6.2, IRIX 5.3,Windows NT 4.0, Windows Server 2003, Windows 95/98, Redhat Enterprise Linux 3, 4 & 5,, and SuSE Linux 10

Software Packages: SMIT ( Confidential ), Sam (HP-UX), SYSTEM MANAGER (SGI), HACMP 3.1, Lotus Notes 4.5, MS Internet Explorer, Lotus Smart Suite, MS office, MS project, checkpoint.

Databases: Oracle 8i/9i/10g, SQL Server 2000, Confidential DB2, Teradata, Sybase, MS Access.

Computer Languages: Shell Programming (Bourne, C, K-shell) AWK, C, C++, PERL, HTML.

PROFESSIONAL EXPERIENCE:

Confidential - Milwaukee, WI

UNIX AIX & Linux Administrator/Engineer

Responsibilities:

  • HACMP upgrade from v4.5 to 5.1 and then 5.1, 5.2, 5.3 to 5.5 configured HACMP cluster to keep applications running.
  • Responsible for maintaining 435 Linux servers PROD/DEV/UAT environment.
  • AIX 5L v5.3 MPIO support for multi-path Fibre Channel storage subsystems, as well as AIX servers configured with multiple Fibre Channel (FC) Host Bus Adapters (HBA) on a Storage Area Network (SAN).
  • Configuration of fail over Adapter scenario.
  • Installation of OAS (Oracle Application Server) on AIX 7.1 and its configuration with Oracle database.
  • Installation of VERITAS Netbackup Client 5.1 and Server on AIX 7/Microsoft Windows, Have good knowledge of taking backup of VERITAS Netbackup clients and their restoration.
  • Management of Active Directory users on Windows Server 2003 and LDAP users on AIX servers.
  • Experience in configuring WebLogicserverin a Cluster solution for High Availability, Load balancing and failover support.
  • Experience with setup and maintenance of WebLogic Server, Apache, Tomcat, LDAP.

Confidential

UNIX AIX & Linux Administrator/Engineer

Responsibilities:

  • Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console.
  • Working with the steady state team, troubleshoot the issue on production boxes.
  • Working with the LCM team (Life cycle Management) involves with server migration, OS upgrades, patching
  • Experience with working and supporting an enterprise level account with servers over 11,000,00.
  • Experience with EMC Avamar product and EMC smarts.
  • Experience with Data Migration.
  • Responsible for the health of internal and production Windows and Linux systems
  • Experience / working knowledge of configuration and operation.
  • Experience with running snap clone on the storage disk.
  • Responsible for performance tuning of Linux.
  • Linux/UNIX system installation and administration of SMB, virtual machines, LVMs, VPNs, and related services.
  • Work with functional and admin teams to deliver automated workflow solutions in ServiceNow

Confidential - Lincolnshire, IL

UNIX AIX Administrator/Engineer

Responsibilities:

  • Servers build, using NIM to install the images
  • Updating YUM Repository and Redhat Package Manager (RPM).
  • Expertise in Configuring NFS, DHCP and DNS on servers.
  • Performing LPM work migrating Lpars from P7 to P8 and P8 to P8.
  • Conversion of Vscsi adapter to NPIV.
  • Coordination among different cross commits like Mainframe teams, DBAs, App teams.
  • Used SVN for source code version control.
  • WSRR tool for automated and scalable capabilities to optimize resources in SOA environment.

Confidential - Chicago, IL

UNIX AIX Linux Administrator/Engineer

Responsibilities:

  • EMC storage migration from Symmetrix to Invista, and also worked on EMC Smarts.
  • Provideleadership in the management of Data Centers and drive standard processes andchanges for continual improvement to increase efficiency.
  • Moved data in terabytes using snap clone.
  • Worked with SAN, in EMC and Symmetrix disks, their configuration, Installation of powerpath.
  • Responsiblefor managing 23 Hardware Planners in 3 Confidential Strategic Data Centers and 5Customer DataCenters supporting Mainframe and Midrange hardware per the customer requirements.
  • Process administration (monitoring processes and system load using VMSTAT, SVMON, UPTIME utilities, monitoring logs, scheduling processes using CRON utility).
  • Installation and configuration of REDHAT Enterprise Linux 4/5, Centos 5, SUSE Linux 9/10 on both standalone and virtual environment.
  • Building and configuring Red hat Linux using Kick Start server as required for the project.

Confidential

UNIX AIX Linux Administrator/Engineer

Responsibilities:

  • AIX Enterprise (AIX: 4.1, 5.3, and 6.1, primarily 6.1).
  • Virtual and Physical (OS dominant) Server Builds.
  • Racked, built, configured, and maintained servers to specifications of development and test teams.
  • VIO and HACMP/PowerHA skills.
  • Confidential hardware like Power Systems (P Series - Power5, Power6, Power7).
  • Supported a server lab environment with a mix of Solaris, Red Hat Linux, and Aix.
  • Large scale Data Migrations.
  • Operating Systems Technical refreshes.
  • VMWare administration using VSphere with Linux guests on ESXi hosts and Veeam backups.
  • Experience with EMC Avamar product.
  • Experience with Data Migration.
  • Responsible for the health of internal and production Windows and Linux systems
  • Experience / working knowledge of configuration and operation.
  • Experience with running snap clone on the storage disk.
  • Responsible for performance tuning of Linux.
  • Linux/UNIX system installation and administration of SMB, virtual machines, LVMs, VPNs, and related services.
  • Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console.

Confidential - Mooresville, NC

UNIX AIX Administrator/Engineer

Responsibilities:

  • Experience with implementing and managing VMware VI3 and vSphere infrastructures.
  • Experience in Server LPAR Migration From one hardware to another (p4 to p5 or p5 to p5) and AIX OS migration from Lower level to Higher Level, using NIM server, and different type of Migration methodology.
  • Experience in Mapping SAN allocated LUNS to Virtualized VIOS Server to VIOC virtualized client and experience in creating SEA (Shared Ethernet Adapter) and VSCSI (Virtualization SCSI Adapter) mapping to VIO client.
  • Extensive experience in system re-engineering Installation, Configuration, Maintenance, Upgrade, Disaster Recovery, Troubleshooting of AIX systems RS6000 Hardware.
  • Installation and migration for Confidential customers of there AIX servers
  • NTP Server configuration for new clients and synchronized the clients with NTP server
  • VIO with HMC console
  • Responsible for disaster recovery from TSM and netbackup
  • TSM installation and configuration on AIX 5.2/5.3. Upgrade of TSM 5.1, 5.2, 5.3 to 5.5.
  • HACMP upgrade from v4.5 to 5.1 and then 5.1, 5.2, 5.3 to 5.5 configured HACMP cluster to keep applications running.
  • AIX 5L v5.3 MPIO support for multi-path Fibre Channel storage subsystems, as well as AIX servers configured with multiple Fibre Channel (FC) Host Bus Adapters (HBA) on a Storage Area Network (SAN).
  • Installation of OAS (Oracle Application Server) on AIX 5.3 and its configuration with Oracle database.
  • Installation of VERITAS Netbackup Client 5.1 and Server on AIX 5.3/Microsoft Windows, Have good knowledge of taking backup of VERITAS Netbackup clients and their restoration.
  • Management of Active Directory users on Windows Server 2003 and LDAP users on AIX servers.

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