Objective:

• To work in challenging environment with ample opportunity to grow, to achieve success with honest and diligent efforts towards my profession & sharpen my technical and professional skills along with the growth of the organization.

SUMMARY

• 9+ years of experience in technical support and engineering of AIX and Linux servers.
• Extensive experience in installing, upgrading and patching AIX versions 5.1, 5.3, 6.1 and 7.1
• Experience in administration of AIX versions 5.1, 5.2, 5.3, 6.1 and 7.1
• Excellent with server migrations from POWER5 and POWER6 to POWER7.
• Expertise in HACMP and PowerHA installation, configuration and maintenance.
• Extensive experience in NIM Master and Client servers
• Experience with LPARs, Dynamic LPARs and VIOs.
• Well versed with NPIV and Live Partition Mobility (LPM).
• Experience in administration and problem determination of WebSphere Application Server on WAS versions 5.1, 6.1, 7.1, 8.0 and 8.5.
• Performed migrations of WAS from 6.1 and lower to 7.1 and 8.0
• Experience with upgrading and patching IBM HTTP server and Edge components.
• Experience in Administration of SUSE Linux and RedHat Linux
• Experience in NFS, Samba and NIS administration.
• Extensively worked on Hudson, Jenkins and Team City for continuous integration and for End to End Automated build and deployments.
• Working Knowledge in analyzing the logs trace logs, logs and Trouble Shooting issues in Integration of other applications using CA Siteminder Access Management and Identity Management tools along with LDAP and Web - server agents.
• Working experience in Integrating with WebSphere Portal Application Server driven Portal along with CA Siteminder as Identity Provider and External 3rd Party services as Service Providers.
• Experience with IBM shark storage and expertise with EMC Symmetric storage using Power Path.
• Good knowledge WebSphere Application Server.
• Experience in Integration of Amazon Web ServicesAWSwith other applications infrastructure
• Extensive experience with Virtualization and Micro partitioning.
• Patch management, bug fixes, firmware upgrades and other changes to maintain the currency of server platforms
• Sound knowledge of Systems Administration tasks like Software Installation, Backup and Recovery, Disaster recovery, Performance management, and capacity planning
• Well versed in System troubleshooting, Hardware planning, Configuration, Network design and Database installation.
• Hands- on experience withSMC, EMC Solutions enabler, Unisphere Manager, Navisphere Manager, NaviCLI.
• Extremely valuable and beneficial in achieving 100% security compliance.
• Architect and lead the openSSL PKI project for internal hosting certificate management.
• Installed and configured Nagios/NRPE to monitor Linux servers.
• Hands on experience in solving various problems. Used ‘ERRPT’ and ‘DIAG’ commands for diagnostic, opened PMR with IBM, and reboot the server when required.
• IBM-AIX kernel Tuning, Performance Analysis and Load Balancing.
• UNIX security, Problem resolution and management, SMTP mail administration and remote server support.
• Excellent presentation, analytical, documentation and interpersonal communication skills.
• Strong hands-on experience in Disk Management and Volume Management using Logical Volume Manager (LVM).
• Creating Vpaths, Volume groups, Logical Volumes and File Systems on AIX servers
• Experience in Migrations and Decommissioning of the systems.
• Monitoring AIX Error logs, troubleshooting AIX related problems, Performance monitoring.
• Strong technical knowledge and understanding of client's operating environment.

TECHNICAL SKILLS

Hardware Platforms: IBM RS6000 and IBM pSeries p55a, p550, p570, p595, p670, p690, p740, p770, p780, p795 and p870 p880 HP 9000, PA-RISC, Itanium. HMC v5, 6, 7

Automation/Build Tools: Jenkins and JNLP Slave Nodes, Docker, Chef, Puppet, Ansible, TeamCity, Bamboo

Operating Systems: AIX v5.1, vv5.2, v5.3, v5.3, v6.1, v7.1; HMC v5, 6, 7; Linux SUSE 11 SP1 v11 SP2, v11, SP3, v11 SP4; RHEL v6.1, v6.2, v6.3, v6.4, v7.1, HP-UX 10.x, 11.

Software Packages: Power HA 5.1, 6.1, 7.1.2, 7.1.3; VIO Severs 1.5, 2.1, 2.2; SUDO 1.6.9 P17, 1.7.2 P1, GPFS 4.1 &1.7.2 P1, SSH v2 v3, SUDO v1.6.9 p17, v1.7.2 p1, LDAP v2, (EPV) Enterprise Password Vault, Web Sphere Application Server v3.5/4.0/5.0; Microsoft Office

SAN Management: IBM SAN Volume Controller 4.x; IBM Flash Copy, IBM DS8000, IBM DS8100

EMC: Symmetric VMAX, EMC Symmetrix Management Console, Solutions Enabler

Backup Utilities: IBM Tivoli Storage Manager - TSM ADSM v5.2 & v5.4, v6.2.v6.3

PROFESSIONAL EXPERIENCE

Confidential

Senior Linux/Unix System Admin

Responsibilities:

• Installed and configured several hundred Red Hat Blade and VMware ESXi 4.1, 5& 5.5 Virtual Environment.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Developed UNIX Platform Technical Specification for Information Security Control requirements used as security health checking polices to identify non-compliance security settings through automation.
• Installing and configuring Red Hat EnterpriseLinux5, 6.1 using kick start servers.
• Responsible for installation, Configuration and administration of Oracle10g/11g database on SCO Unix,Linuxand Windows 2003 Servers and also an integral part of the backup and recovery.
• Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support ofLinuxand provided technical support to users.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red HatLinuxservers using satellite servers.
• Migrated SiteMinder 5.x to 6.x in both development and production environments QA, UAT and production .
• Installed, configured and integrated Web servers plug-in file, SiteMinder agents and LDAP user directory with WAS.
• Implemented rapid provisioning and life cycle management for RedhatLINUXusing kickstart.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server basedLinuxtools.
• Design, integration and management of Amazon Web Services cloud solutions. Provisioning of EC2 instances, built via puppet, and integrated into local area offices in 5 time zones. Amazon RDS, VPC construction, Security Group policies, IAM, Route 53, CloudFormation, S3, Glacier, OpsWorks.
• Proficient in providing support on the deployed Red Hat EnterpriseLinuxfrom both operating system level and application Level.
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Expertise in working with MySQL databases, No SQL, Apache Web server, Tomcat Application Servers.
• Troubleshooting any performance or configuration issues with MySQL and Oracle.
• Expertise in hardening,LinuxServer and Compiling, Building and installing Apache Server from sources with minimum modules.
• Negotiated and executed yearly contractual security requirements and best practices.
• Worked onAWS, High Availability Practices and deploying backup/restore infrastructure
• Performing System Storage management/LVM tasks like creating volume groups, PV's, LV's and jfs/jfs2 Filesystems, mirroring VG's, LV's and mounting filesystems.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH & PERL, Mail Server, Samba Server, Apache Server.
• Worked on configuring NIS, NFS, Jenkins, DNS, DHCP, FTP, FSTP, Telnet and RAID levels.
• Extensive experience in network management TCP/IP, NIS, DNS, NFS, VLAN.
• Experience in database replication using OCFS2 file system with oracle 10g and 11g database.
• Experience in deploying RHEL 5.x, 6.1 in a blade environment.
• Resolving assigned remedy tickets and remedy tools in Development/QA/Staging/Production.

Environment: RHEL 4.x/5.x/6.x, AWS, Solaris 9,10&11, EMC, HPUX, Centos, SUSE 10, 11, VERITAS Volume Manager 3.x/ 4.x, VERITAS Storage Foundation 5, Redhat Cluster, Jenkins, Ops works, Puppet, VERITAS Cluster Server 4.1, Tripwire, NFS, DNS, SAN/NAS.

Confidential

Sr. UNIX and Linux Administrator

Responsibilities:

• Administer and support AIX operating system related issues for AIX versions 5.1, 5.3, 6.1 and 7.1
• Administer and support WebSphere Application Server related issues for WAS versions 4.0, 5.1, 6.1, 7.1 and 8.0
• Primary SME for AIX and WebSphere for multiple AIX/Linux applications such as AXS-S1 (TM Web), DCORR (CLO, RRT, RPM & WDCU), RST, TSM, etc.
• Upgrade Power HA cluster software on AIX from HA 5.5 and lower to HA 6.1 and configure HA from scratch or do a snapshot migration when required.
• Upgrade WebSphere and IBM HTTP server versions to eliminate Qualys critical and high vulnerabilities.
• Coordinate and work with Engineering, Storage, Network teams in build of new servers for current applications supported by Admins or to resolve issues with current environments.
• Work closely with agile teams to quickly resolve any issues that are a barrier to their development.
• Create, modify and validate Infrastructure Recovery Documents for DR applications.
• Monitor and work to resolve/complete incident, request and problem tickets in Service Desk and adhere to SLAs.
• System Administrator/Integrator role in a large team responsible for maintaining of Linux operating systems such as RHEL, Cent OS, Ubuntu and SUSE 10/11.
• Installed, configured and maintained SiteMinder policy servers by integrated with LDAP for Policy Store.
• System Integration role in a diverse product deployed in different parts of the world.
• System Architect in creating and deploying blue prints for different deployments.
• Created scripts to implement Oracle upgrade procedures and database changes.
• Creating and managing network routing characteristics for a multipath environment.
• Troubleshooting and analysis of hardware and software failures for various Linux servers (core dump and log file analysis). Managing spfile and pfile for performance tuning.
• Experience with webserver configuration like Apache &Weblogic on both Linux & UNIX.
• Configured secure connection with WebLogic and backend database.
• Provide Primary and Backup On-Call support for the team on a rotational basis.

Environment: (Power HA 6.1, HACMP 5.4, 5.3 & 5.2, Tivoli storage Manager, SiteMinder, LDAP, Samba, Satellite Server 5.5 and 6.0, Microsoft Active Directory, Quest Privilege Manager for Active Directory.)

Confidential

UNIX and Linux system Administrator

Responsibilities:

• Responsible for the support of Aix servers and Linux servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Worked on creating file systems using the Logical Volume Manager.
• Worked on changing file systems like renaming, extending and removing.
• Worked on File system/Directory Permissions.
• User and Group Management.
• Worked on performance tuning and performance related issues.
• Worked on OS patches to the Latest as requested.
• Performed functions on licensing related work orders.
• Worked on installation of various versions of Java applications.
• Experience in creating and installing standalone client LPAR and VIO client LPAR using HMC.
• Performed system back from TSM (Tivoli Storage Manager) server.
• Worked on TSM client viewer.
• Worked on TSM for checking Scheduling backup of nodes.
• Worked on taking Incremental backup through TSM Server.
• Worked on missed state and failure issues in TSM.
• Upgraded and upgrading HMC from version 6 to 7.
• Worked on System Firmware upgrade.
• Experiencing in working with IBM Xiv storage.
• Worked on NIM Server.
• AIX systems administration and Disk Management.
• Worked on NAS (Network Attached Storage) and NFS mounting.
• Worked on Solaris boxes for adding user and giving permissions.
• Document installation procedures, changes required in present environment.

Environment: RedHat Linux( 4.x AS, 5.x,6.x), Oracle Enterprise Linux, AIX 6.1, 7.1, HP-UX 11.i, RedHat cluster, PowerHA(HACMP), HP-UX ServiceGuard, SAN Multipathing (MPIO, HDLM, Powerpath), VM ESX, VM vSphere, VMware HA & DRS,EMC Storage SAN, Oracle 10g.)

Confidential

RedHat Linux/Unix Administrator

Responsibilities:

• Installed RHEL 5.0/6.0 using Kickstart and custom building the servers per SOW.
• Installation and configuration of Solaris 10 with Zones, Containers and LDoms.
• Installed/configured EMC Storagewith 0, 1 & 5 RAID configurations.
• Installed Veritas Volume Manager 5.0/5.1/6.0, VCS Cluster Server 5.0/5.1/6.0 for failover and for mirroring and raid level configurations on EMC storage frames.
• Performed all System Administration tasks like Cron jobs, installing packages, and patches. Configured and installed Automount and Jumpstarted Solaris servers.
• Firewall configuration using iptables and worked with selinux configuration.
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and AutoFs File systems.
• Provide support for CAC (Common Access Card). Troubleshoot smart card readers, middleware and PKI (Public Key Infrastructure) Certificates.
• Performing tape backups, archiving and checking data integrity through Shell/python scripts and job automation. Repository management through GIT and SVN.
• Configuration Puppet, Chef for main servers, implementation of configuration files and main services of monitoring (Zabbix), web-servers, security (LogRhythm), iptables, etc.
• Installed, configured VMs on VMware 5, vSphere 5.0, configured ESX hosts, added datastores to ESX hosts, created vSwitches, templates and migrated VMs across ESX hosts.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Ignite/UXinstallation andupdates, createdGoldenImagesof the productionHP-UXservers and rapidlydeployed a new test and QA environment on Virtual Machines with no down time.
• HPService Guardv11.20maintenances on servers, Integrity Virtual Machines runningHP-UX11i.V3.
• Responsible for installing and configuring Nagios on Linux, Solaris clients.
• Worked with troubleshooting and tickets related to Amazon Web Services (AWS) with vendor.
• Testing and upgrading production, development and test Linux and Solaris servers.
• Creation & maintenance of user accounts, passwords and profiles, home directories, initialization of files, groups’ creation and management, setting file permissions, customizing shell environment setup for users.
• Created LVMs on the Linux servers for disk management and configuration of email protocols like sendmail and postfix.
• Installation, setup and configuration of Apache Kafka and Apache Zookeeper.
• Troubleshooting various problems related to VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices on various Production Boxes.
• Maintaining production critical servers running Solaris UNIX, Linux supporting Oracle database and web services while providing 24x7 support.
• Worked with Veritas NetBackup 7.5 on development and production servers for backups and restores.
• Implementation of a new rating plan, including pricing byperiland many new rating data elements and rating attributes.
• Writing Shell Scripts for managing day-to-day transactions & for automation of routine tasks and troubleshootingCassandraissues.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485, ML Series), HP-UX, AIX Solaris 8, 9, 10, AIX 5.3, 6.1, SAN (NetApp), BladeLogic, Teamcity, Puppet, Veritas Cluster Server 5.0/6.0, Windows 2003/2012 server, Shell programming, GIT, SVN, JBoss 4.2, JDK 1.5,1.6, VMware Virtual Client 5.1, VMware Insfrastructure 5.1.

Confidential

UNIX and Linux Engineer/Administrator

Responsibilities:

• Responsible for regular & enhanced Migration of AIX p5, p6 series servers from one data center to another and migrations within the data center which also included using Live Partition Mobility.
• Created and configured standard and Virtual I/O LPARs, managing resources, patching, upgrading, monitoring, performance/tuning and problem determination/resolution
• Responsible for servicing trouble-ticket requests, 3rd-party software installation, and user support, in a homogeneous AIX 5.1/5.2/5.3/6.1 environments.
• Active participation in project planning and deployment
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Performed installation, periodic maintenance updates
• Configured backup/archive policies using ADSM utility and MKSYSB images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Configured rules for system security, maintenance updates and system failure alerts.
• Created and configured logical partitions (LPAR) on IBM systems using Hardware management console (HMC).
• Performing upgrades applying fixes, patches and APARS to the LPARS.
• Rack mounted IBM p630 systems installed and configured AIX 5.3 and applied maintenance levels.
• AIX Migration from AIX 5.1/5.2 to AIX 5.3.
• Responsible for Remote AIX Support With more than 1250 servers.
• Installed racked and configured IBM pSeries p4/p5/p6 (p570, p561, p560, p550) for production, staging and test environments.
• Extensive working experience on LVM. Creating VG, LV and FS.
• Upgrading and updating TL, APAR and patches on AIX 5.2/5.3.
• Perform User Account management, data backups, and users’ logon support.
• Installation and configuration of NIM master server and clients.
• Creating LPP source and SPOT for client on NIM server.
• Experience of upgrading and updating p550 and p570 systems and devices firmware using HMC.
• Upgrading TSM Client from version 5.2 to 5.5
• Managing various scripts to start up and shutdown databases and SAP systems.
• Installed and configured Sudo for users to access the root privileges.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS). Provided support by 24x7 shift rotation basis and pager support.

Environment: (: IBM AIX 6.1,7.1, RHEL 5.x, 6.x, Cent OS 6.x Tivoli Storage Manager, Tivoli work scheduler P7-770, P7-780, p5 - 570, P6- p570, p650, p7 780,IBM Blade Servers, Korn Shell, Oracle 9i/10G/11G, 12c Power path, EMC Storage. VIO Server 2.2, ESXi 4.x, 5.x People soft, WebSphere. IBM System Director, Power HA 6.1, Satellite server 5.5 and 6.0.)