Sr. Aix System Admin Resume
Alpharetta, GA
PROFESSIONAL SKILLS:
- Over 12 years of experience on a large scale UNIX (AIX, Linux, Solaris, HP-UX), WINDOWS (NT/2003/XP/2008) and SAN/NAS Storage environments.
- Thorough understanding of fundamentals of AIX UNIX kernel, LVM and file system concepts.
- Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX on P-series servers.
- Extensive knowledge in installing AIX in LPAR environment on P-Series servers.
- Experience in installation and configuration of Virtual I/O Server (VIOS 1.5. x & 2.1.0.0) on LPARs.
- Expertise in doing NIM Installation on P-series servers for AIX 5.2/5.3/6.1 Operating Systems.
- Assist with architecture and design of LPARs, micropartioning, capped/uncapped resources, etc
- Experience in implementations using advanced AIX features such as DLPAR, memory and processor pools, VIO, etherchannel/link aggregation, Live partition mobility, Workload Partitioning, kernel tuning, etc.
- Troubleshooting, performance tuning and backup/recovery the AIX environment.
- Expertise in Planning, Installation, Configuration and Maintenance of IBM PowerHA V6.1.
- Configured HACMP 5.3 to monitor, Disaster recovery, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
- Implementation of Apache and Oracle Web Server on IBM P-series servers and its administration
- Migrated HACMP from 5.1 to 5.2 on IBM P595 servers on both development and production servers.
- Implementation and Administration of DHCP, NFS and NIS on AIX and automation of Jobs using crontab and scripts.
- Extensive experience in installing, upgrading, removing, verifying packages using installp utility on AIX OS for P- series servers.
- Handling the multiple priorities of the conflicting performance objectives of the different workloads and delivering the cost/time effective solutions.
- Experienced in Tivoli Storage Management, Managing LVM and File systems, SRC and Paging space management, restore and availability, Monitoring System / Network Performance and Send mail administration.
- Knowledge on websphere administration, TIBCO administration and clear case & clear quest.
- Installed EMC powerpath, EMC control center, EMC Navisphere and Veritas command central on IBM P series Servers.
- 24X7 on-call production support and troubleshooting problems related to IBM AIX P series servers like p670, p690, p520, p550, p570, p595, etc…
- Knowledge and experience on installing, configuring, troubleshooting various components of DCE for AIX 5.3 OS.
- Experience on Sun hardware & software and used jump start on solaris 9 & 10 installation.
- Installed & configured Red Hat linux & SuSE linux for IBM P-Series Servers and troubleshooting the LINUX OS issues.
- Used kickstart for installing Red Hat linux on various machines and experience on Linux LVM & LVM2.
- Experience with upgrading and migrating linux systems and knowledge about virtualization on RHEL.
- Installed HP Open View agent (Version 7.35, 7.37) on Windows and AIX servers and also installed DCE to run the RPC.
- Installed Bind view on UNIX and windows server for our application.
- Installed IBM Rational Functional Tool (version 6.1.1) for our tester on windows PC for the Application testing and also for improving the performance of the application.
- Installed Control-M agent (Version 6.3.01.400) to make the oracle and application job automatic on both windows and UNIX servers and troubleshoot the errors.
- Experience on Veritas Volume Manager (VxVM 5.0) on AIX and cluster server (VCS) in Sun and Windows OS.
- Installed, maintain, and upgrade the CommVault [Galaxy & Simpana] & Veritas Net backup (version 5.0, 6.0 and 6.5) on both UNIX and Windows Servers.
- Installed, configured and troubleshoot and upgraded HMC version for HMC.
- Wintel Tier 3 Team member tasked with administering and maintaining corporate IBM server infrastructure.
- Installed and troubleshoot Oracle 10.2 installation on both windows and UNIX servers.
- Skilled in replacement/repair/upgrade of software, hardware and firmware.
- Excellent knowledge in writing Shell Scripts (C, SHELL, PERL, KORN) to make the jobs automatic.
- Experienced in managing LPAR & storage Area Networks SAN and Extensive experience in TCP/IP networking.
- Deploy the Application code on QA and production environment which was already test on Test, Training and development environments.
- Experience on administration, troubleshooting & windows user account creation and maintenance for Wintel (window OS running on Intel Micro processor)
- Knowledge on GPFS for high speed access to large volume of Application Data.
- Experience working with Enteprise class SAN storage arrays, FC HBA connectivity, etc.
- Working experience on .net framework, sql server 2000, asp.net, vb.net, java scripts, oracle, Visual Source Safe, etc.
- Experience on Kintana, Remedy, Siebel, HP Service Desk 4.5 and Service-now ticketing systems.
- Knowledge of ITIL concepts.
- Designed and hosted a website for a small IT consulting company.
- MCSD certified professional and also preparing for VIOS and HACMP certifications.
- Prepared various documents along with the screen shots for future references and maintenance of all servers.
- Experience on AIX with db2, oracle databases for SAP environment and troubleshoot database & application issues.
- Provide on call support on a rotational basis for 24*7 Prod & Non-Prod servers.
- Implementation and Administration of Windows NT 4.0, Windows 2000, Windows 2003 and its services like: DHCP, DNS, WINS, VPN, Terminal Services, RAS, Active Directory, Group Policy, IIS etc.
Operating Systems
IBM AIX (6.0/5.x/4.x), Linux 4.x/5.x, Windows 2000/NT/4.0, Sun Solaris7/8/9/10, HP-UX11.x
Hardware
IBM P-series servers (590,570,550,650/640/630/M80), IBM RS/6000, SUN E-3000, E-4000, HP 9000/750
Databases
Oracle 7.x/8.0/9i/10g, DB2, MS SQL SERVER 7.0/2000/2005
Networking
TCP/IP, DNS, DHCP, and Cisco Routers/Switches.
Tools
Active Directory, Veritas NetBackup, Veritas Volume Manager, Veritas Volume Replicator, NAS, Shell scripting, Visual Source, safe, Rational Clear case, clear quest, etc
Storage
DS8100, DS6000, Brocade, McDATA, NetApp Filers, EMC Symmetrix DMX 3000, IBM 3584, Hitachi 9507V, Cisco Switch MDS-9509, SCALAR ADIC Tape Libraries.
PROFESSIONAL EXPERIENCE:
Confidential,Phoenix, AZ Jun 2010 till date
Team Lead 24/7 Environments
- Installation and configuration of AIX Operating System 6.1 on IBM P750 P-series & HS 22 blade server for new build using NIM server for 27 LPARs for SAP environment
- Build new NIM server for Dev & QA and another NIM server for Production environment and admin over 1300+ servers.
- Done Live Partition Mobility on POWER6 servers that allows a running LPAR to be relocated from one system to another which is similar to VMware VMotion.
- Created LPAR on P750 and installed AIX 6.1 on IBM blade servers.
- System Administration on HP-UX over 40 boxes and migrated from hp-ux 10 to 11 version.
- Migrated AIX 5.3 to AIX 6.1 on over 30 servers using NIM server.
- Experience on system configuration, troubleshooting and performance tuning on os level.
- Upgraded the sddpcm mpio on bunch of server and migrated from sddpcm mpio to RDAC on few AIX servers
- Installed Red Hat Linux on hp blade and also added some memory cards.
- Upgrading the AIX 6.1 TL 01 to TL04 & SP 03 on the development, test, QA and production servers.
- Installed, configured and troubleshoot PowerHA 6.1 and also upgrade to the service pack 2 on three 2node cluster.
- Migrated HACMP 5.4 to PowerHA 6.1 on the existing 2 node clusters.
- Document the cluster testing with & without process monitoring for SAP environment.
- Upgraded the VIOS from 1.5.2.10 fixpack11.1 to 2.2.0.10 fixpack 24 using NIM server on dual VIOS environment.
- Upgraded HMC from various older version to 7.0.3.5 & 7.1.7.0
- Upgraded the firmware on various servers to the current release on IBM p series servers using HMC
- Allocate the LUN from IBM XIV storage and mapped them to newly created LPARs and dual VIOS servers and also increase the LUN size for filesystems growth & also took snapshot on storage level.
- Upgraded to EMC powerpath from 4.5 to 5.3 on Dev, QA & Production servers for VIOS migration.
- Configure all the unix servers for Legato backup and have a dedicated static route for backup IP address to take backup.
- Use to take mksysb, backupios for vios backup and also backup using TSM before doing any upgrades.
- Experience on Nagios monitoring tool for alerting the issue on the servers and also the System Administrators.
- Work on the tickets and updated / resolve the tickets with in the SLA and guide the offshore team.
- Installed, Configured IBM DB2 8.2 as per the client Application requirement.
- Installed backup software EMC LEGATO NetWorker 7.5.3 client on multiple AIX LPAR’s for taking backup.
- Installed, configured maintained TSM 5.5 and 6.1 for building servers and also for taking sysbackup and also upgrade from one version to another on all the client machines on UNIX environment.
- Updated EMC Networker from 7.2.x to 7.5.x and installed on cluster servers as well.
- Installed, configure and troubleshoot veritas Netbackup 6.5.2 on AIX and also window servers.
- Installed, configured and troubleshoot CommVault [Galaxy & Simpana] on all AIX UNIX servers.
- Installed, configured windows server 2003 using GHOST image and add/replace memory card on IBM x servers.
- Used Nagios monitoring tools and Remedy ticketing systems
- Installed autosys client on AIX servers for job automation.
- Working on HEAT and Next Desk ticketing systems and update/close the tickets with in the SLA.
- Document all the new changes with appropriate screen shots for future references.
- 24X7 on-call production support on production UNIX environment.
- Trained onshore and offshore junior system administrator.
- Develop, maintain and cultivate relationships with internal clients.
Confidential, Phoenix, AZ Dec 2007 May 2010
Team Lead for UNIX / AIX System Admin 24/7 Environments
- Installation and configuration of Operating System AIX 5.3 & 6.1 on IBM P-series for new build using NIM.
- Installed, configure, troubleshoot VIO Server for production support and QA2 environment.
- Administration for the user accounts on windows and UNIX servers (AIX 5.3/6.1, SUN Solaris 8/9/10) over 300 users on 500+ servers.
- Upgrade the firmware and also the memory to improve the performance.
- Installation and configuration of oracle RAC 10.2g on test, QA boxes and also in production boxes on windows and unix servers.
- Installed, configured & also upgraded the HP OVO 7.35 from 7.14 and using alarm point for call out for any alerts or outage for both Windows and UNIX servers.
- Installation and configuration of Oracle Application Servers (OAS) 10.1.3 and also upgrade the patches on quarterly basis on test, QA boxes and also in production boxes on windows and UNIX servers.
- Helped on Code backup and roller over to newer version and support the DOMS application along with application team, MDOMS team and DBA.
- Using GHOST image, I built over 40 pods for DOMS project, Add them to CORP,QA, production domain and verify the application with the help of application team.
- Load the landbase for all the PODs in the entire environment. [2-panel, 3 panel, 4 panel, 8 panel & 12 panel PODs]
- Good knowledge and experience on LPAR, Micro Partioning, LVM, et.c
- Experience on system configuration, troubleshooting and performance tuning on os level
- Installed veritas netbackup 5.1 on development, test, QA and production servers on windows and UNIX servers and planning to upgrade to version 6.5 in the near future.
- Installed, configured and troubleshoot CommVault [Galaxy ] on all AIX UNIX servers.
- Worked on taking backup’s using master and media servers and validate them on windows 2003 servers, AIX 5.3 p series servers and also in sun solaris severs.
- Experience on Veritas Volume Manager (VxVM 5.0) on AIX and cluster server (VCS) in Sun and Windows OS.
- System Administration on Linux 4.x/5.x. Migration and System deployment through kickstart.
- Calculated the storage space for the file systems and also for the netbackup storage.
- Experience on administration for VMWare ESX servers.
- Experience on NetApp Filers (NAS) for the new build and taking care of the existing IBM storages (DS4200 & DS 8000) and planning to move from SAN to NAS completely.
- Experience on HACMP 5.4 and system supervision cluster software, which is similar to IBM HACMP.
- Supporting VMware on windows and working with VIOS on IBM P series servers.
- Write script for operational and performance test for the new environment on unix and windows environment and also for taking mksysb on all the clients from NIM server.
- Performance analysis using nmon analyzer, vmstat, iostat, topas and tuning using commands like vmo, ioo, filemon, etc.
- Using HPSD (HP Service Desk) and Seibel for ticket systems & Supporting the 24*7 production servers on call rotation basis (three weeks once)
- Training couple of internship/fulltime employee on AIX UNIX administration.
Confidential,Alpharetta, GA Aug 2006 - Nov 2007
Sr. AIX System Admin 24/7 Environments
- Installation, maintenance & troubleshooting of Operating System AIX 4.3.3, 5.1, 5.2, 5.3 on IBM P-series servers which includes P- 550 , 570 and 595
- Working on day-to-day tickets using kintana software and close it within SLA.
- Installed IBM APAR’s and has good knowledge & experience on scripting.
- Migrated IBM AIX OS from 5.2 to 5.3 using SMIT (System Management Interface Tool).
- Migrated IBM AIX 5.2 ML 07 to 09 on test and production servers.
- Installed DCE 3.2.0.0 on AIX 5.2 in order to install HP OVO 7.14
- Worked on RCA tickets and produce the report for the causes.
- Experience on Veritas Volume Manager (VxVM 5.0) on AIX and cluster server (VCS) in Sun and Windows OS
- Good knowledge on LPAR, Micro Partitioning, LVM, etc
- Working experience on HMC and documented on how to connect to the P-series servers.
- Experience on installation AIX OS using NIM and expert on LVM concepts.
- Installed, configured maintained TSM 5.5 for building servers and also for taking sysbackup on UNIX environment.
- Installed Red Hat Enterprise Linux (RHEL 4) & SuSE linux enterprise server 9 (SLES9) on p series boxes using YaST and administration with AIX.
- Used HMC and VNC for installing the linux on p series boxes
- Experience in managing external IBM & EMC storage in SAN environment.
- Experience on storage calculation for the new storage allocation on new server built.
- Migration of HACMP from 5.1 to 5.2 on test server and monitor the performance then migrated on p595 production servers.
- Creating VGs and LVs for the specified size in the kintana ticket.
- Experience on installation of HACMP 5.3 and knowledge on HACMP 5.4
- System Administration on HP-UX over 40 boxes and Linux on P series boxes.
- Worked on VIOS on test server and having good experience.
- Installation and upgrading the operating system and application level on LINUX servers.
- System administration on mixed AIX / LINUX environment and automate the jobs using crontab.
- Increasing and decreasing the file systems size according to the customer requirement.
- Diagnosis the hardware and software problem on AIX environment
- Worked on planning new IBM p series and installed AIX OS using NIM.
- Installed ECC, VCC, powerpath for EMC storages and calculated the storage allocation for the new build servers.
- Installed ssh and disabled telnet on AIX servers and knowledge on troubleshooting remote access.
- Experience on monitoring tools like vmstat, iostat, nmon, topas, etc
- Upgrade the memory, kernel and firmware on IBM p- series servers.
- Knowledge sharing with Offshore System Admin and helping them finishing their tkts within the SLA. (Service level Agreement)
EDUCATION
Master of Business Administration (M.B.A)
Bachelor of Engineering in Computer Science and Engineering (B.E)
Diploma in Electrical and Electronics Engineering (D.E.E.E)
CERTIFICATIONS
Microsoft Certified Solution Developer [MCSD]
IBM Certified System Administrator - AIX 6.1
IBM Certified Systems Expert - Virtualization Technical Support for AIX and Linux
IBM Certified Systems Expert - High Availability for AIX Technical Support and Administration
ITIL V3 Foundation In progress