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Aix/linux Admin Resume

Secaucus, NJ

SUMMARY

  • Extensive experience as a AIX/LINUX/CENTOS System Administrator including high working noledge of in monitoring, security, Trouble shooting, Backup, Disaster recovery, Maintenance and Support of UNIX systems.
  • Experience in administering VMware Infrastructure Client 5.5, 6 and VSphere 5.5 and 6.0.
  • Creating Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues.
  • Developed and maintained Shell scripts for build and release tasks.
  • Develop and validate BMC Blade Logic Automation Scripts to aid in daily administrator tasks, deployments, monitoring and troubleshooting tools.
  • Creating teh plaform layers using VMWare HORIZON view for Vsphere connector.
  • Worked on teh monitoring tools like Splunk, Zabbix, Naggios
  • Design, build, install and configure Red Hat Enterprise Linux/SUSE Linux servers & workstations.
  • Expertise in building servers using Kickstart/PXE booting forLinux, Jumpstart for Solaris.
  • Configuration, tuning, security, backup, recovery, monitoring and upgrade of Linux 5, 6 (RHEL) and Solaris on different cross platforms.
  • Create and administer RedHat Enterprise Linux operating systems to implement on teh existing network.
  • Deployed Applications into PROD & Pre - Prod environments wif various Application server technologies like WebLogic, Jboss& Apache Tomcat.
  • Extensive experience in Multipath and Bonding inLinux.
  • VMware Installation, configuration andadministration, virtual environments wif 5x VirtualCenter 5x.
  • Familiar wif shell scripts to run onLinuxand Solaris environment foradministration.
  • Designing, Installing, Configuring and monitoring Red hat Satellite 6.
  • Extensively worked on teh Remote Execution in Satellite 6.3
  • Responsible for new server builds both physical and virtual. Upgraded servers from SuSE 10 to SuSE 12
  • Adept at monitoring and managing file system usage, hardware and system process failures
  • Extensive experience in Administration of AIX 5.2, 5.3, 6.1, 7.1, 7.2.
  • Experience in creating and managingLPARson different IBM servers likep5, p6, p7, p8.
  • Experience in installation, configuration, Troubleshooting and administration of AIX 6.1, 7.1 && 7.2.
  • Experience in build, performance, troubleshooting and Maintaining AIX and security Patching.
  • Hands-on experience wif installing AIX on LPAR, VIO server and client using NIM.
  • Experience wif ITIL tools like Remedy/service now
  • Preparation of Logical Valume Manager (LVM) wif new san luns, LUN online migrations using pvmove and LV mirror commands onlinuxservers.
  • Experience in performing DLPAR on VIO servers.
  • Expert in Power HA migrations from different versions in different methods.
  • Experienced in administrating teh POWER HA clusters like increasing teh clustered filesystems and replacement of hardware dynamically in POWER HA cluster.
  • Experience in working wif Shared Ethernet Adapter, Link Aggregation and NPIV concepts associated wif VIO server technology.
  • Designed & built a five node HACMP cluster from scratch and added nodes to two different existing clusters.
  • Performance Tuning and Capacity Planning and evaluating products in UNIX area.
  • Developing Scripts for build, deployment, maintenance and related tasks using Docker, Maven, Python and Bash.
  • Involved in installing puppet client on RHEL and CENTOS servers for automation purposes.
  • Installed teh REDHAT 5.0/6.0/7.0 operating system and set up teh Oracle environment using ansible/puppet.
  • Setting up teh playbooks like creating directories, working on copying files to remote servers, changing directory permissions using Ansible.
  • Deployed playbook for patching all teh servers (Prod/Dev/QA) through ansible which occurs bi-weekly.
  • Migrated many applications running on Oracle 11g to Amazon Aurora using AWS Database Migration Service (DMS) and AWS Schema Conversion tool (AWS SCT) for converting schema objects like triggers, functions, indexes, constraints, tables .
  • Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
  • Created a repository on GitHub and connected wif local and server for developer to maintain teh application code on local.
  • Excellent presentation, analytical, documentation and interpersonal communication skills.

TECHNICAL SKILLS

Operating Systems: IBM AIX (5.1 5.2, 5.3,6.1, 7.1), CentOS 6/7, RHEL 6/7, IBM Netezza, Windows 2000/NT4.0

Hardware: IBM RS/6000, p5 520,560,561,570,590,595 p6 570,590, p720, p740, p8 IBM Blade Server JS20,JS21 SUN E-3000/4000

Networking: TCP/IP, DNS, DHCP, SNMP, SMTP.

RDBMS: DB2, Oracle 8.0, 9i

Scripting: Shell, Java Script

Domain Knowledge: Retail, Consumer Goods, Insurance, Electronics, Media and Information, Information Technology

Configuration Management: Ansible, Go-CD, Docker, Puppet

Third Party Tools: Logical Volume Manager, VSphere, GITHUB

PROFESSIONAL EXPERIENCE

AIX/LINUX Admin

Confidential, Secaucus, NJ

Responsibilities:

  • Builds, Install, configure brand new virtual and physical servers, test, and deploy IBM AIX 6 and 7, RHEL 6 and 7, CentOS 6/7 servers to teh network, OS installation and configuration - standard and advanced (net installation and jumpstart, kickstart).
  • Creation of virtual machines and installation ofRedHat/Centos on them.
  • Responsible for making LPAR and DLPAR through HMC and Installing AIX on teh logical partitions.
  • Experience wif NIM installation, setup NIM servers and xlients and defining various NIM resources like lpp source, SPOT, mksysb, image.data, bosinst.data
  • Configuring lpp source and SPOT in NIM server and installed AIX on NIM clients using NIM master server.
  • Installed and configuring HMC, LPAR, VIO server in pseries servers.
  • Experienced in managing and updating teh HMC for P6/P7 managed system and upgrading HMC codes and Versions.
  • Experience in host based migration from one storage array to another.
  • Experience in using Powerpath. MPIO for SAN migration.
  • Worked in NFS/NAS, Storage Area Networks (SAN), and SSA disk storage environment.
  • Creating and mapping virtual HBA on VIOServers on pSeries frame and mapping them to Client.
  • Experience for mirroring and un-mirroring using logical volume manager (LVM).
  • Experience for migrating using logical volume manager (LVM).
  • Experience in host based migration from VSCSI to NPIV.
  • Experience in determining teh storage and requesting for new LUNs for host based migration.
  • Configured SAN Storage for AIX Servers.
  • Experience in dual VIOS VSCSI mapping.
  • Experience in NPIV mapping.
  • Managing Linux/SUSE Linux Infrastructure involves day-to-day maintenance of servers and troubleshooting.
  • Micro partitioning configured CPU, memory, IO, Virtual adapters, disk, performed DLPAR operation and VLAN tagging.
  • Have good noledge and solid understanding of DevOps and continuous delivery tools such as Ansible etc.
  • Worked wif ITIL tools like Remedy like change management, Incidents and PBIs.
  • Setting up teh playbooks like creating directories, working on copying files to remote servers, changing directory permissions using Ansible.
  • Deployed playbook for patching all teh servers (Prod/Dev/QA) through ansible which occurs bi-weekly.
  • Designing, Installing, Configuring and monitoring Red hat Satellite 6.
  • Adding teh Red Hat Satellite Subscription to teh customer portal.
  • Importing teh Satellite subscription manifest from Red Hat Customer portal to Red Hat Satellite 6.
  • Performance monitoring and capacity management onRedHatLinuxservers.
  • Involved in teh administration of backup on theRedHatLinuxservers.
  • Installed teh REDHAT 5.0/6.0/7.0 operating system and set up teh Oracle environment using ansible.
  • Installation, Performance Tuning, Support and Patching Linux RHEL/AIX/CentOS/SUSE
  • Setup NFS File Systems and shared them for Clients, Maintenance of NFS Server wif Auto Mounts.
  • InstalledNetApp(NAS) cluster wif redundant network links and working fail-over configuration.
  • Responsible for data management using RedHat and CentOS utilities for archiving, compression backup and restore.
  • Participating in root-cause analysis of recurring issues, system backup and security setup.
  • RPM and YUM package installations, patch and other server management.
  • Experience in creating VMware templates and cloning VMs.
  • Configuring teh Life cycle environments and products in satellite 6.
  • Experience in Redhat Satellite Split-Server Installation option allows to deploy teh embedded database on to a separate system.
  • Applying teh bulk actions tasks on teh client servers through Satellite 6 GUI.
  • Patching teh client servers through satellite 6 GUI.
  • Patching teh satellite and capsule to teh latest versions.
  • Worked wif Redhat Satellite servers expanded functionality, Cobbler Buildiso support, Automated Provisioning in PXE-LESS environments
  • Expert in Installation, Configuration of Package and Patch Management.
  • Efficiently innovating open-source infrastructures via inexpensive materials.
  • Objectively integrate enterprise-wide strategic theme areas wif functionalized infrastructures. Interactively productize premium.
  • Rapaciously utilize enterprise experiences via 24/7 markets.

Linux/AIX Administrator

Confidential, Atlanta, GA

Responsibilities:

  • Installation and configuration of Redhat virtual servers using ESXi 4/5 and Solaris servers (LDOMS) using scripts and Ops Center.
  • Experience in managing VMware Virtual Hardware, Memory, NIC and VDISK.
  • Wrote Ansible Playbooks wif PythonSSH as teh Wrapper to Manage Configurations of Openstack Nodes and Test Playbooks on AWS instances using Python.
  • Experience in package and patches management on Linux servers, firmware upgrades and debugging.
  • Administered multiple IBM power7/6/5 p520s, p550s, p570s, p595s, p760s, p770s running AIX 5.3/6.1/7.1
  • Co-ordinated application team to Upgrade AIX 5.2 to AIX 5.3, AIX 5.3 to 6.1, AIX 6.1 to 7.1
  • Design, build, install and configure Red Hat Enterprise Linux servers & workstations.
  • Administrating and managing windows servers including configuration and troubleshooting of Active
  • Directory, DNS, DHCP, IIS.
  • Configured Microsoft Active Directory domains.
  • Management of Active Directory users on Windows Server 2003.
  • Worked on Linux x86, Windows 2003 Advance Server, Samba, Squid, Active DirectoryCreate and administer
  • RedHat Enterprise Linux operating systems to implement on teh existing network.
  • Responsible for teh operation, maintenance and integrity of a distributed, networked AIX based environment
  • Migrated Linux based machines and Power off Machines to virtual machines using VMware converter boot CD.
  • PowerHA 6.1 and 7.1 or Cluster Node or later - HACMP
  • Used shell scripting (Including Korn, Bash and Perl) for system/application in automating server task, installing and monitoring applications and data feeding file transfer and log files.
  • VIO mapping by Power VM Tool kit
  • Good noledge on BMC Blade Logic Console
  • Creating and building AIX LPAR Manually via NIM servers
  • Installing security filesets like Centrify, nmda and networker, invista, DS agents, Petrol Agents
  • Performed 6.1, 7.1 AIX OS Installation manually and through Blade-logic Console
  • LPM and troubleshooting teh encountered erros
  • AIX 6.1 patching --TL06 to TL08
  • Supporting and managing IBM pSeries servers (P5/P6) using HMC version 6 and 7.
  • Upgrade teh P5 HMC microcode and HMC code level.
  • Worked on migrating data from old storage array to new one. Extensive use on powerpath implementation.
  • EMC DMX -4, VMAX, VNX 7500, 5700, 5300 System administration
  • Migrated data from Clarion, Symmetrix DMX3 and DMX4 to VMAX.
  • Worked on EMC DMX -4, DMX -3, VMAX, 6633, System administration.
  • Audit job after Installation of AIX and rectify teh errors
  • Building VIOs Manually
  • Ensure Security Issues as per teh policy and resolve it, if any
  • Assign good Paging Space to teh servers
  • Logical Volume Partition according to client requirement
  • Shell Shock patching through Blade Logic
  • NPIV configuration
  • PowerHA 6.1 and 7.1 or Cluster Node or later - HACMP
  • GPFS installation and configuration changed Dynamic CPU and Memory and troubleshooting it

LINUX/AIX Admin

Confidential, Lansing, MI

Responsibilities:

  • Worked mostly on Redhat Linux environment 5.x and 6.x by installing, configuring and troubleshooting Apache Tomcat 7.x in a clustered environment where teh application is build.
  • Expertise in package management using Red Hat RPM, YUM used in several Linux distributions such as Red Hat Enterprise Linux.
  • Expert in Installation, Configuration of Package and Patch Management.
  • Designing, Installing, Configuring and monitoring Red hat Satellite 6.
  • Adding teh Red Hat Satellite Subscription to teh customer portal.
  • Importing teh Satellite subscription manifest from Red Hat Customer portal to Red Hat Satellite 6.
  • Configuring teh Life cycle environments and products in satellite 6.
  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
  • Installing, upgrading and administering teh (RHEL 4.x, 5.x, 6.x) server.
  • Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
  • Provided 24x7 supports on shift rotation basis.
  • Configured IBM P-series 570,550 and RS 6000 machines for production and test environments.
  • Installed, configured and tested Logical Partitions technology (LPARS
  • Experience in LPAR planning and virtualization
  • Installed and configured VIO server via HMC
  • Configured and troubleshoot routers like Cisco 2600, and LINKSYS RV016 VPN router.
  • Extensively used LVM, created VGs, LVs, and disk mirroring.
  • Responsible for Installing Security fixes and APAR’s in Servers.
  • Installation and upgrade of OpenSSH 4.3p1 on AIX 5.2 and 5.3, OpenSSH 4.1p1 on AIX 5.1 servers.
  • Installation and configuration of NIM master server and clients.
  • 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.
  • 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.
  • Configured Work Load Management (WLM) for IBM Websphere Application Server.
  • Clustered multiple RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep applications running.
  • Configured cascading, mutual takeover and rotating modes of operation of teh HACMP and HACMP/ES products.
  • 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.
  • Applying software maintenance, program fixes and keeping teh system software releases current.
  • Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per teh client’s requirement.
  • Configured cascading, mutual takeover and rotating modes of operation of teh HACMP and HACMP/ES products.
  • Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
  • Developed Korn and Bash shell-scripts to automate routine activities.
  • Migrated database applications from Windows 2000 Server to Linux server.
  • Installing and setting up Oracle10g on Linux for teh development team.
  • Wrote shell scripts for automated installations, to extract logs.

AIX/Unix/Linux Administrator

Confidential

Responsibilities:

  • Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.2 and 5.3 operating environment
  • Installed, maintained and upgraded Redhat Linux using kickstart based network installation.
  • Responsible for teh operation, maintenance and integrity of a distributed, networked AIX based environment
  • Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and Nimadm Upgrade.
  • Installation of RHEL on teh IBM blades, X series (3850’s and 3650’s),and on Dell Power Edge servers (1950,2950,2900)servers either by ISO boot or PXE boot using teh kickstart server
  • Installation of RHEL on IBM Bladeservers HS21 and JS22
  • Day to day support and troubleshooting of RHEL
  • Performed basic Troubleshooting.
  • Micro partitioning, PowerVM. VLAN tagging, NPIV and other virtualized operations of Power Series systems.
  • Creating teh Linux file system.
  • Updated teh Linux Kernel from an RPM.
  • Experienced in performing TL upgrades applying service packs on AIX 5.3/5.2 through
  • Logical Partitions of VIOS and VIOC on Blade server and pSeries frame
  • Working on Veritas Volume Manager
  • Installation of veritas volume manager on sun solaris operating system,
  • IBM’s SVC and DS series, Power Path installation and involved in Storage Area Network (SAN) administration.
  • High availability setup for two different clusters.
  • Performed various methods of AIX Installation/Migration using alternate disk installation (NIMADM), Network Installation Manager (NIM).
  • Provided 24x7 on call server support for UNIX environment including AIX, Linux.
  • Breakfix for HACMP.
  • Have upgraded servers from AIX 5.1 and 5.2 to 5.3.
  • Configuration management including teh building of LPARs using HMC and configuring teh hardware devices that support them.
  • Extensively used LVM - created VGs, LVs & disk mirroring for IBM p-series servers.
  • Experience in studying teh kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
  • Capacity planning of disk space and hardware resources required for production and developments.
  • Responsible for migrating and decommissioning of teh system.

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