SUMMARY

• 7+ years of experience in Installation, configuration, troubleshooting, Systems Security, Systems Monitoring, Storage Systems, Operating Systems, Performance Analysis, and Capacity Planning of various AIX Servers.
• Experience working in heterogeneous server environments including P - series 550, 570,590, RS/6000, IBM Blade server JS20, Sun Enterprise Servers.
• Experience in Installation and Administration of AIX servers (v4.3, v5.2, v5.3, v7.1).
• Experience in Installation and Administration of IBM VIO servers and HMC
• Providing 24X7 On-call Production and Customer Support including trouble shooting problems related to IBM AIX pSeries servers and Sun Systems Solaris servers.
• Planning, Installation, Configuration, Maintenance and Administration of AIX 4.3/5.1/5.2/5.3 and day to day system admin tasks Setting up printers / remote queues
• Info-print management Migration upgrades of AIX (433/51/52/53), security, backup, recovery and upgrades of IBM AIX.
• Expertise in doing NIM installations on AIX 5.2/5.3/7.1
• Expertise in installing, configuring and troubleshooting on JS20 and HS20 Blades in IBM Blade center.
• Expertise working in a huge environment that consists of almost 700 Servers including RS/6000, p-series and IBM Blade Center.
• Experience in IBM AIX 5.1, 5.3 and 6.1, 7.1.
• Experience configuring and supporting IBM clustering products PowerHA (formerly HCMP) and GPFS.
• Responsible for Configuring VLANs on IBM Blade Center, Nortel Switches, and CISCO switches.
• Worked on EMC DMX -4,DMX -3, VMAX,6633, Systemadministration.
• Migration of data from DMX to VMAX or VNX by using Open Replicator/SAN copy and host based tools like PPME.
• Experience with IBM SVC and DS 4800, 6800 and 8000 SAN series. EMC DMX 1401, 0238 and VMX 1926, 4633 and 5315
• Worked on IBM, EMC Clarion, Symmetrix, VMAX and Hitachi storage solutions.
• Good knowledge and hands on experience of writing Perl and BASH scripts.
• Excellent capacity planning skills in UNIX AIX/Solaris environment
• Performance Tuning and Capacity Planning and evaluating products in UNIX area
• Engaged to assist with strategic planning, capacity planning, and performance tuning.
• Extended knowledge in installing AIX in an LPAR environment pSeries including configuring VIOS.
• Maintain and use NIM Master for installs and upgrades. Plan and implement service updates
• Expertise in Planning, Installation, Configuration of IBM HACMP v 5.1, 5.2, 5.3, 7.1
• Including problem-solving and disaster recovery in detecting and reacting to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Experience includes TCP/IP Networking Parallel System Sport Programs (PSSP) which supports best practices in HACMP - High Availability Clusters
• Extensive knowledge on EMC Clarion / Symmetrix SAN storage on AIX Servers using Power path.
• Configuration of Network Deployment manager for Centralized Management of Application Servers.
• Experience in administering and maintaining Production/ Staging/ QA/ Development environments.
• Experienced in Installing Fix Packs, cumulative fixes, and Interim-fixes.
• Experience with EMC VMAX, Symmetrix, IBM’s SVC and DS 4800, 6800 and 8000 SAN.
• Installed and configured DR Boxes for disaster recovery.
• Built HACMP Clusters from the scratch.
• Implementation administration & virtualization with various platforms such as Hyper-V and VMware.
• Experience in Installation and Administration of AIX servers (v4.3, v5.2, v5.3, v7.1).

TECHNICAL SKILLS

Operation Systems: IBM AIX (4.3, 5.1, 5.2, 5.3, 7.1), Linux (RedHat, SUSE),Solaris 9,10,Windows 03/00/NT4.0

Languages: C, C++, Java 2.0/1.2/1.3/1.4, HTML, CSS, JavaScript, JQuery.

Application/Web Servers: WebSphere 6.0.2.x/5.1.1.x /5.0.2.x /4.0, WebSphere Portal Server 5.1.0.x IBM HTTP server 6.0/2.0.42. x/ 2.0.47.1/1.3.28 /1.3.26/1.3, Apache 2.0.47/1.3.28.

Databases: Oracle 8i, 9i, 10G, 10.1.0.2/9i, DB2UDB 8.1.

Web Technologies: J2EE1.4/1.3/1.2, Java2.0, Servlet2.3/2.2, Java Beans and shell Scripting.

Other skills: VIOS, HACMP 4.3.1, 4.4, HACMP/ES 4.5, 5.X, PowerHA 7.1.3.

PROFESSIONAL EXPERIENCE

Confidential

AIX ADINISTRATOR

Responsibilities:

• Installation, migration, Configuration and Administration of AIX 5.1, 5.2, 5.3, 6.1, 7.1& 8.1.
• Building of VIOS and VIO LPAR’s on p-Series 590, 570, 550 and 505 servers using HMC V6 (websm) later upgraded the HMC V6 to HMC V7 (GUI).
• Extensively worked on Server Consolidation and Disaster Recovery.
• Upgraded REDHAT Linux Servers using KICKSTART based network installation.
• Decommissioned old frames and migrated servers on to each LPAR in high end p7 frames as part of consolidation strategy.
• 24x7 on call production support.
• Disaster Recovery site design, PowerHA 7.1.3, virtual implementation and setup.
• Performed VIO Servers up gradations to vio2.1.3.4.
• DR site design, virtual implementation and setup.
• Building of VIOS and VIO LPAR’s on p-Series 590, 570, 550 and 505 servers using HMC V6 (websm) later upgraded the HMC V6 to HMC V7 (GUI).
• Reclaimed SAN storage from the VIOS for decommissioned servers.
• Working on design and implementation of versioned WPAR environment to get AIX 5.2 and AIX 5.3 servers, which are very old version of OS, migrated to P7 770 hardware.
• Installed and configured VMware ESX server 3.5, 4.0 and vSphere 4.0 on Dell power edge servers.
• Worked on the HACMP 5.4 version, failover the RG to the next node, start and stop the cluster services and HACMP
• User Management - Creating, maintaining, and removing users and groups. Security settings on user accounts and groups.
• Supported all the application servers in the environment consisting of various applications such as WebSphere, PeopleSoft, Message Broker, MQ Series, Oracle, RAC Oracle, DB2 and many home grown applications.
• Creating, maintaining, and removing users and groups. Security settings on user accounts and groups.
• Analysis the NMON data and observe the spikes of the system performances issues.
• Performed High availability designing using VERITAS Cluster Server 5.0 on Redhat Linux and Solaris Servers.
• Supported all the application servers in the environment consisting of various applications such as WebSphere, PeopleSoft, Message Broker, MQ Series, Oracle, RAC Oracle, DB2 and many home grown applications.
• Trouble shooting HACMP related issues, going through the log files Taking HACMP snap using snap utility and using snaps to recover HACMP topology in case of any disaster
• Maintaining the NIS user administration account
• Monitoring systems, cpu, memory and disk utilization.
• Analysis the NMON data and observe the spikes of the system performances issues.
• Defining shared volume groups and working on different operations such as creating shared file systems, increase or decrease file system sizes and adding disks to the volume groups.
• Configuring system dump devices, taking system dump, estimating system dump, uploading the system vmcore files to IBM ftp site.
• Troubleshooting from system performance related issues.
• Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating system.
• Installation of emergency fixes and supporting fixes for the applications.
• Troubleshoot the system boot related issues and corrupted filesystem by using fsck through maintenance mode.
• Network configuration of TCP/IP & Ether Channel v (Link Aggregation), online troubleshooting for network and system, ensuring connectivity between servers
• Performed the HMC up gradation to 7.7.2 version.
• Responsible for maintaining and administering 600 production IBM p770, 780, 590, 570, 550 and RS6000 AIX & UNIX based servers.
• Managed and used NIM server to install, migrate and creating backups
• Built VIO servers and VIO clients on POWER6, p5 P520, P550, P570 and p595s.
• Installing and configuring LPARs and VIO Server in pseries servers through HMC.
• Created and configured dynamic VIO LPARs on p5-520, p5-550, p5-570 and p5-595
• Adding, increasing the file system space in HACMP environment.
• Setup HACMP clusters for high availability of servers and to face any unexpected outages.
• Performed Installation and Configuration of NIM. Installed BOS, upgrades, migration of AIX on each node using NIM.
• System administration including user, system & group management, system updates, performance monitoring, backup/recovery, disk & storage management.
• Included upgrading NIM master, alternate NIM master, creating the SPOT, lpp-source & mksysb, NIM clients.
• Developed and modified UNIX Shell script.

Environment: IBM pSeries 550, 570,590, 595, AIX v 5.2/5.3/6.1/7.1, VIOS, LPAR, HACMP V5.2/5.3/5.4, Windows 2000, Oracle 9i, Oracle 10g, Veritas Netbackup Java, DB2r, LVM, SSH, IBM Blade Center JS22, FAS3100, FAS2000 storage devices,EMC Tivoli, TSM, Weblogic, Web Sphere application Server. Red Hat, Linux

Confidential, Omaha, NE

AIX/Unix Systems Engineer

Responsibilities:

• The client had thousands of servers and I installed, configured, troubleshoot and decommissioned servers.
• Coordination with Database and Application teams was a key factor here. Respond to alarms/alerts on production and non-production servers.
• Taking care entire maintenance tasks which are schedule after clearance. Monitoring. Supporting and performed troubleshooting.
• I was the prime admin during hardware migration for servers for p550, 570 and 595 to new created LPARS on p770 frames.
• Moving the servers from old Hardware to new hardware using the SAN disk migration process and using the downtime for the OS upgrade to AIX 1334.
• Provided 24x7 on call production support to AIX and Linux Servers on a rotating shift schedule.
• Activities include user administration; startup and shutdown scripts; crontabs.
• I was the admin for delivery of infrastructure projects like IBM frame build, vlun fixing, VIO upgrades, HMC upgrades, system firmware upgrades, change managements of production servers etc.
• Responsible for Enterprise Decommission projects for AIX and Linux standalone and managed servers.
• Build fresh WPAR AIX 5.3 on top of AIX 7.1 for Mission Critical Database
• Performance tuning and monitoring on PowerHA clusters along with Critic team to resolve performance issues.
• Building of VIOS and VIO LPAR’s on p-Series 590, 570, 550 and 505 servers using HMC V7.
• Decommissioned legacy AIX 4.3, and 5.3, on Power5 machines and AIX6.1
• Decommissioned and coordinated with IBM for removal of IBM P5, P5 595.
• Provided on call production support to AIX and Linux Servers for second shift schedule.
• Upgraded serversAIX6.1 TL8 SP3 toAIX7.1 TL 2 and TL6 SP3.
• Monitored the servers using Nagios regularly and performed troubleshooting.
• Edit system configuration files (network settings, service configuration files, crontab)
• Provide day to day support by using Ticketing system.
• Demonstrate technical knowledge with incident handling and troubleshooting. Few of the skill sets are listed below
• Upgrade - I have upgraded HMC, system firmware and VIOS to meet the challenge of dynamically editing of Ethernet virtual adapters (for VLAN) on power7 p770 servers.
• It was carried out on all frames and documented for onsite and offshore team for future references.
• Monitoring - The management was particular about the performance, I have analyzed data and generated reports using BMC capacity management, HP open view and nmon
• I have used the web based method for nmon to monitor the system performance statistics online.

Confidential, CA

UNIX AIX Sys Admin

Responsibilities:

• Provided 24x7 on call production support to AIX and Linux Servers on a rotating shift schedule.
• I was the admin for delivery of infrastructure projects like IBM frame build, vlun fixing, VIO upgrades, HMC upgrades, system firmware upgrades, change managements of production servers etc.
• Administered the UNIX System for clustered AIX Servers running HACMP and DLPAR’s with fiber attached SAN storage.
• Decommissioned legacy AIX 4.3, and 5.3, on Power5 machines and AIX6.1
• Decommissioned and coordinated with IBM for removal of IBM P5, P5 595.
• Reclaimed SAN storage for LUNs directly presented to the LPAR’s, worked on troubleshooting issues for IBM, EMC, Hitachi SAN disks.
• Decommissioned NAS shares.
• Built and setup dual VIO servers with NPIV - Virtual Fibre Channel.
• Created Shared Ethernet Adapter (SEA) with Control Channel adapter.
• Define and run basic Workload Partitions (WPAR).
• Troubleshoot issues with Auditing, WPAR, RBAC, commands and processes.
• Developed and managed the servers inventory (all UNIX servers and HMCs) in excel sheet with regular updates.
• Responsible for information security analysis on all UNIX servers which includes UNIX user accounts, group access, elevated access, file ownership and file permissions.
• Created and managed bulk users and groups as part of regular work.
• Expertise in SSH key set up process.
• Generated SSH keys and set up SSH connection between UNIX, UNIX-windows and UNIX-Mainframe servers.
• Working knowledge of Active Directory.
• Prepared and maintained documentation for user/group provisioning and sudo configuration on all servers in scope.
• Collaborate with technical peers to identify root cause of access and/or security issues.
• Work directly with the business/application-side customers to remediate UNIX access and/or security issues.
• Managed HMCs
• Locked down “hscroot” account on all HMCs (not shared) and instead created user accounts based on the user roles (superadmin or viewer).
• Managed passwords for all users on 120+ HMCs
• Prepare any new required documentation and maintain and update the existing documentation for user/group provisioning, elevated access and other processes/procedures on SharePoint site.

Confidential, TX

AIX UNIX Sys Admin

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• AIX administration supporting p590, 570, 550, 520 RS6000 Servers, installing, configuring and maintaining Websphere Application Server, Samba Server and IBM HTTP Server.
• Expertise in doing NIM installations on AIX 5.2/5.3/6.1 responsible HACMP cluster environment with cascading
• Responsible for LPAR and DLPAR system administration
• Installed VIO server Advanced POWER Virtualization on IBM P5 System.
• Support and troubleshoot while installing POWER Broker and POWER Password.
• Sudo environment, given sudo right to limited directories for Websphere admin to perform the task.
• Expertise in installation configuration and administration VIOS
• Responsible in configuring of virtual Ethernet, virtual SCSI and virtual memory
• Responsible and expertise in working with LVM, Disk mirroring, unmirroring, Disaster Recovery, backup and restore for AIX 4.3/5.2/5.3/6.1
• Installed and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup.
• Installed VIO server Advanced POWER Virtualization on IBM P5 System.
• Predefined and Customized Volume Group management on AIX.
• Software and Hardware upgrades of AIX systems installed and worked on various Volume managers.
• Executed various scripts for backups, user account creation on multiple servers, to ping multiple servers, login in to multiple servers, to locate servers etc.
• Executing scripts to create user account of multiple servers
• Edited rc.shutdown script to add shutdown script of Websphere application server and Oracle Database and edited server startup script to add the startup script of Websphere application server and Oracle Database.

Environment: AIX 5.2/5.3/6.1, VIOS, HACMP, Linux, HPUX, Solaris. LPAR, Websphere application server 6.0, UNIX Shell scripting