Venkat Chilumkuri 517-***-****

US Citizen ac4mc6@r.postjobfree.com

SUMMARY

Ten years of experience in AIX 5.x and AIX 6.1, 7.1 on IBM pSeries, 4.x on RS/6000, and SuSE/10/11v Linux (RHEL 4/5/6/7) Systems Engineer.

Planning, Installation, Configuration, Maintenance and Administration of AIX 5.3,6.1, 7.1and Linux (Red Hat 4, 5, 6,7 & SUSE, UBUNTU) and day-to-day system admin tasks.

Build IBM pSeries servers and creation of VIO servers, Client LPARS, Dynamic LPARS, NIM servers and HACMP Clusters and configured to AIX 5.3, 6.1 or 7.1.

Experience in Advanced power virtualization on IBM P5, P6, P7 and P8 power Servers.

Configure and implement hardware, software and network components required for maximum system performance and worked with WebSM to connect remotely.

Experience in HACMP cluster nodes installation, configuration, administration and troubleshooting.

Perform system upgrade planning, migrations, implementation of change management procedures.

Upgrade servers to latest AIX technology level and service pack level and upgrading severs from 5.3 to 6.1 and 7.1 on AIX.

Worked on VIO – Microcode upgrade, firmware upgrade and Ifix’s as engineering group specifications.

Worked on VIO production support, client LPARS support and its hardware and software issues support

Work off hours periodically to accommodate maintenance, change requests and downtime windows.

Proficient in administration of TCP/IP, NIS/NIS+, NFS, DNS, DHCP, Ldap sever and Samba sever and Implemented LAN/WAN systems.

Experience in configuring SAN Storages, EMC, Created LUN, Zoning and Masking. Allocated disk storage to the servers. Proficient in SAN cabling work, WWPN Registration and configuring of TCP/IP protocols and EMC symmetric san environment.

Experience in IBM Tivoli storage Manages functions of backup, mksysb, BMC patrol and recovery Management and experience.

NIM (Network Install Management) set up, performing a NIM installation, troubleshooting, advanced client Configurations and NIM operations.

Expert with SMIT, LVM (Logical Volume Manager), Mirroring, User & System Resource management, Paging Space management, job scheduling. Familiar with File System, Volume Manager and Cluster Servers.

Experience in HACMP cluster nodes installation, configuration, administration and troubleshooting

Built Linux OS virtual machines (Red Hat OS) manual installation and configuration as per company requirements.

Experience in ESX reboots, upgrade and client servers Red Hat installation and HA configuration.

Experience in working with VMware ESX servers for enterprise level virtualization.

Expertise in configuring Kickstart and Jumpstart Installation Methods.

Experience in installing, updating packages in Red Hat Linux servers using RPM’s and YUM repositories.

Experience with configuration management and automation software such as Puppet and Chef.

Hands on experience in Red Hat Linux Performance Monitoring tools using vmstat, iostat, prstat, mpstat, sar and top.

Built Linux OS virtual machines (Red Hat OS) manually installation and configuration as per company requirements.

Experience in ESX reboots, upgrade and client servers Red hat installation and HA configuration.

Experience worked on Oracle RAC and instances, WebSphere, SAP application on the servers.

Experience Linux Jira creation, SAN allocation, LVM creation and file creation as per client requirement.

Experience in kernel performance tuning, GRUB configuration and services management.

Experience of configuration management automation tools CF Engine, Pupet, Chef, Ansible, Docker.

Experience in Shell scripting, Perl scripting in system administration jobs.

Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, SuSE Linux, Red Hat Linux and UNIX.

Well versed in different stages of implementing the Workload Management (WLM) using cloning and clustering.

JPM Chase, Houston, TX Aug 2012 to Dec 2017

UNIX (AIX/Linux) Systems Engineer

Planning, installation, configuration, maintenance and administration of AIX 5.3,6.1, 7.1 and Linux (Red Hat 4, 5, 6) and day-to-day system admin tasks.

Responsible for installing, configuring and supporting of IBM pSeries Servers of AIX 5.3, 6.1 and 7.1.

Worked on build LPARS AIX 7.4 on P8 series IBM servers. Updated VIO’s and NIM server with latest version 7.4

Worked on Patch Installation of Technological level upgrade and troubleshooting during patch installation on AIX IBM p Series.

Responsible for planning and logical configuration of new HW and SW of all pSeries systems.

Worked on AIX O/S level application performance issues and Tuning.

Work on VIO – Microcode upgrade, firmware upgrade and ifix’s as engineering group specifications.

Work on VIO production support, client lpars support and its hardware and software issues support.

Support to SAN groups, trouble shooting HBA and SAN issue, recovery failed or dead paths, LUN’s mapping from VIO to client lpars.

Worked on daily tasks like Policy reboots, EMC upgrades and GPFS file system setup.

OS Support to MQM groups, Oracle groups, Sybase groups and other DBA groups.

HACMP upgrades and configuration as per concurrent and share file system support and issues.

Primary support for DB2, WebSphere Application Server, MQ-Series, IBM HTTP server.

Worked on incidental tickets resolve issues and problems on priority basis.

Made changes though Change Management ITSM tool after received approvals.

HMC upgrade and frame microcode upgrades and firmware upgrade works and Support HMC call home from IBM.

Cloned installations across multiple systems using Network Installation Management (NIM) and TSM SysBack.

Responsible for the upgrades to AIX and software packages and maintained them in accordance with established policies, procedures and service level agreements.

Linux client upgrades, patching, HA setup and configuration according to client requirement.

Experience in ESX reboots, upgrade and client servers Red Hat installation and HA configuration.

Day to day activities on performing Virtual Machine Migration Using VMware ESX Client (5.0 and 5.1).

Performed Kernel upgrade on Red Hat 4, 5 and 6 to the latest available JPMC packages.

Performed ASM and OCFS upgrade on Oracle Database servers on Red Hat boxes on daily basis.

Worked on rebooting VMware Host (4.0, 4.1) using VSphere client on day to day basis.

Experience Linux Jira creation, SAN allocation, LVM creation and file creation as per client requirement.

Troubleshoot complex technical cases on across multiple disciplines as SAN, NAS, compute services, DNS, NIS.

Created system backups and troubleshooting of Net backup issues.

Worked on HACMP cluster nodes upgrade installation, administration and resources issues troubleshooting.

Ensured server data integrity by evaluating, implementing and managing software solutions like SysBack, Tivoli Storage Manager.

Keon security tool Management and work with keon group to resolve security issues on OS levels.

Worked on tasks like Policy reboots, upgrades and GPFS file setup and GPFS resolutions.

User and Security Management issues and performed troubleshooting

Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring.

Worked, maintained and supported Oracle RAC 10g and 11g database servers on day to day basis.

Performed kernel performance tuning, GRUB configuration and services management.

Performed ASM and OCFS upgrade on Oracle Database servers on Red Hat boxes on daily basis.

Worked on rebooting VMware Host (4.0, 4.1) using VSphere client on day to day basis.

Experience Linux Jira creation, SAN allocation, LVM creation and file creation as per client requirement.

Troubleshoot complex technical cases on across multiple disciplines such as SAN, NAS, compute services, DNS, NIS.

Provide 24x7 support on shift rotation basis support to retail, trade, and mortgage banking.

Environment: AIX, IBM WebSphere, HACMP, VIO, SAMBA, SAP, DB2, ORACLE, MQseries, SAN, EMC, TIVOLI, Linux, GPFS, NAS, LDAP, Fast, SAN, HA, ESX

Ford, Dearborn, M January 2012 to June 2012

AIX/UNIX System Engineer

•Installed, configured and supported IBM pSriens Servers running AIX 6.1/5L versions and Linux.

•Installed related products and support tools, third party and custom applications (fuse-fordproduct).

•Deployed SuSE Linux in both physical and virtual environments (VM Ware).

•Supported SAN technologies, added SAN, and troubleshot SAN, and upgraded.

•Closed tickets after resolve issues or implementation of changes.

•AIX (HACMP) installation, configuration, failover testing and concurrent file system creation. Troubleshot customer’s HACMP environments.

•Performed preventative monitoring, performance analysis, and operating system patch management.

•Worked on deployment ticket to build AIX and Linux servers and configurations.

•Attended CAB meetings to get approval for changes and implemented changes successfully.

•Supported DB2, Oracle DBAs with installation, upgrades, permissions and trouble shooting.

•Supported version migration works from Solaris to AIX servers.

•Worked as Lead for patching and upgrade of AIX severs for versions v5.3 and v6.1 and responsible for upgrading the servers in Technological level and Service Pack level.

•Responsible for upgrading AIX 5.3 to 6.1L and configuration.

•Worked on IBM advanced virtualization features such as VIO servers, virtual Ethernet, SEA, Virtual SCSI and N Port Identifier Virtualization in an IBM power5 or power6 environments.

•Worked on large NIM environment and maintenance updates, backups and create mksysb.

•Worked on large NIM environment and Maintenance updates.

•On call Production support 24/7.

Environment: AIX, Linux, SOLARIS, IBM WebSphere, HACMP, VIO, SAMBA, SAP, DB2, ORACLE, WebSphere, MQSERIES, SAN, EMC, TIVOLI.

IBM, Dubuque, IA April 2010 to December 2011

AIX Administrator

•Responsible for installing, configuring and supporting of IBM pSeries Servers running AIX 6.1/5L versions and Solaris Unix.

•Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.).

•Worked with problem tickets and critical change tickets in Mange Now and closed the tickets the issues were resolved.

•Patch Installation on technological level and service pack level. Responsible for troubleshooting during patch installation on AIX IBM p Series and worked on HMC upgrades.

•Day-to-Day trouble shooting for the end users on AIX based applications.

•Responsible for planning and logical configuration of new HW and SW of all pSeries systems.

•Creation of VIO’s, Client Lpars and configuration and VIO upgrade.

•Primary support for DB2, WebSphere Application Server, MQ-Series, IBM HTTP server.

•Created system backups including documenting the process.

•Worked on HACMP cluster nodes installation, configuration, and administration and troubleshooting.

•Performance Management and Tuning of AIX Kernel for various applications.

•Ensured server data integrity by evaluating, implementing and managing software solutions like SysBack, Tivoli Storage Manager, BMR (Bare Metal Restore) and hardware solutions like IBM Shark, Tape Libraries and EMC Symmetrix Storage devices.

•Cloned installations across multiple systems using Network Installation Management (NIM) and TSM SysBack.

•Responsible for the upgrades to AIX and software packages and maintained them in accordance with established policies, procedures and service level agreements.

•Worked with DBAs on installation of DB2, restoration and performance tuning.

•Attended team meetings, change control meetings to update installation progress and upcoming changes in environment.

•Managed NIM environment.

•User and Security Management.

•Configured shared storage on Shark for HACMP.

•Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring.

•Provided 24x7 support on shift rotation basis; I am supporting GM cars and IGA and SNI accounts now.

Environment: AIX, SOLARIS, HP-UX, IBM WebSphere, HACMP, VIO, SAMBA, SAP, DB2, ORACLE, WebSphere, MQSERIES, SYBASE, SAN, EMC, TRIVOLI.

IBM (Wellpoint), Richmond, VA August 2007 to February 2010

Sr. UNIX Engineer (AIX)

•Installation, Configuration and Administration of AIX, HP-UX, Solaris and Linux Operating System.

•Patch Installation on Technological level and service pack level and troubleshooting during patch installation on AIX IBM p Series and HP-UX.

•Installed and upgraded the EMC, Clarion, Shark and HITACHI drivers on AIX, Solaris servers.

•AIX systems troubleshooting, performance monitoring and fine-tuning.

•Installed, configured and supported IBM pSeries Servers (510, 520, 550, 570, 590,595) utilizing AIX 6.1/5.3/5.2/5.1/4.3.x OS versions.

•Installed and configured the TSM/ITSM client software on AIX servers for backup. Restored servers using TSM, ITSM backup.

•Participated as a member in architectural layouts of data center RAC of Power P5 series.

•Worked as lead for patching and upgrade of AIX severs for versions v5.2 and v5.3 and responsible for upgrading the servers in Technological level and Service Pack level.

•Worked on Server and Storage migration project. Configured MPIO storage access.

•Installation/Administration of SSH, TCP/IP, NIS/NIS+, NFS, DNS, DHCP, Auto mounts, Sendmail and Implemented LAN/WAN systems.

•Followed IBM and Wellpoint Security policy for Hardening UNIX Servers to make it SOX compliant.

•Worked on SAN technology including zoning, disk creation on various systems, maintaining and configuring various fiber switches and storages. Worked with NetApp storage.

•Upgraded fiber channel adapter microcode levels.

•Upgraded Emulex fiber channel adapter microcode, driver, SDD driver in Red Hat LINUX servers.

•Assisted DBA Team to set up oracle RAC cluster in AIX HACMP Environment.

•Involved in HACMP, Veritas Cluster and MC Service Guard Cluster configuration.

•Advanced Power Virtualization, Creating and administering LPAR/DLPAR/VIO servers, Management through HMC using WebSM.

•Peformed backups like mksysb for root volume group and savevg backup for user created volume groups.

•Provided security and patch update analysis, process and deployment.

•Securities, hardening and health check violations and resolution and virtual sever administration.

•Worked on large NIM environment and Maintenance updates.

•Attended team meetings, change control meetings to update installation progress and upcoming changes in environment.

Environment: AIX, SOLARIS, HP-UX, LINUX, IBM WebSphere, HACMP, VIO, SAMBA, SAP, DB2, ORACLE, PORTAL, MQSERIES, SYBASE, PEOPLESOFT FINANCE, SAN, EMC, TRIVOLI.

Education: Bachelor of Science Engineering

TECHNICAL SKILLS

Hardware: IBM VIO P 570, 590, RS/6000, SUN E4000/5500/6000/450/220, Sun Fire 4800/3800, E10K, 15K, HP/9000 K/L/N Class, Mainframe390

OS: IBM AIX (4.3.3, 5.1, 5.2, 5.3, 6.1), HP-UX (11.31, 11.23, 11.11, 11.0), Solaris (8, 9, 10), Linux (Red Hat, SUSE), Windows 2003/2000/NT4.0, Mainframe OS/390

Languages: HTML, C, VB script and Shell Script, Perl script, COBOL

Databases: Oracle 8.0/9i/10g, DB2, MS SQL SERVER 7.0/2000, DB2, Networking: TCP/IP, DNS, DHCP, and Switches, Web / App Servers: IBM WebSphere 4/5, IBM HTTP WebServer. Weblogic, SAP

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