SUMMARY

• Highly adaptable UNIX Systems Administrator with over 12+ years of experience working with UNIX operating systems such as Red Hat Linux (RHEL), IBM AIX, OEL, HP - UX, Solaris, Windows and SAN in intranet and Internet environments, with an emphasis on uptime/reliability, Support in a 24/7 production environment.
• Managed Severs or deployed Code via Bigfix/Puppet.
• Installation, Configuration, Upgrade, Migration & Troubleshooting UNIX Systems.
• UNIX / AIX / Linux KTLO work for Prod and Non-Prod Servers.
• Applying Patches/fixes on UNIX (AIX, RHEL, HP-UX, & Solaris).
• Extensive experience on File systems, LVM, Storage, Disk Management.
• User Authentication Creation and Troubleshoot end User account issues.
• Configuring Disk Management and implementing RAID’s.
• Performance, Monitoring and Fine-Tuning.
• Backup, Recovery using NIM, Kick Start and TSM.
• Experienced in Logical Partitioning (LPAR, DLPAR).
• Design and Implementation of System Security Administration policies.
• Hardware platforms (HMC and ).
• High Availability (IBM PowerHA/HACMP, Redhat Cluster).
• Virtualization Technologies (PowerVM/VIO, & VMWare).
• Experience in maintaining EC2 instances & S3 buckets on AWS Cloud.
• Well versed with Corporate Disaster Recovery Planning.
• Experience on Shell Scripting (Korn shell, bash shell, and Perl).
• Configuration of SAN, with EMC SAN, IBM Enterprise Storage Server (ESS).
• Network environment using NFS, LDAP, NIS/NIS+ and DNS.
• Network Configuration TCP/IP for LAN/WAN on UNIX and Windows.
• Installed and supported various applications (Apache httpd, WebSphere WAS, Apache/httpd, SAP, DB2, Oracle Client, Tera data, Java & Filenet-Imaging)
• Hands on Experience with Change & Incident Management (ITSM, HP-Service manager, Remedy & ITIL best practices).
• Excellent technical ability and support experience individually or as a team, with strong analytical and communication skills, and creative problem solving skills.
• Written Technical documentation procedure for work flow process/procedure thru Word, Excel, SharePoint, and Lotus Notes.

TECHNICAL SKILLS

Operating Systems: IBM AIX 7.1/6.1/5.x/4.3, RHEL 6.x/5.x(x=0-10)/4.x(x=0-9)/3.x, SUSE Linux 10/9, HP-UX 11.31, Sun Solaris 10/9/8, Windows NT/2000/2003/XP Server

Hardware: IBM RS/6000, p-Series POWER7, P6, P5, p4 (p595, p590, p570, p690, p670)

Blades Severs: JS23, JS22, HS20, HS22

Sun: Ultra SPARC III/IV, 64V, Enterprise E3500, E25k, E15k

HP: Itanium, HP 9000, 3000 series, Integrity Virtual Machine, Dell. HMC V7R 7.7.0/7.5/7.3/6 , Web-SM V5.x/4.x, VMware-vSphere Client 5/4, and ILO

Storage: TSM Store Tepe Libraries and SAN DS8000, & DS8500, Data Center IBM PowerVM Server VIOS V 2.2.2.1/2.1/1.5/1.4 , VMware virtual server 2.0/1.0

Programing Languages: Shell scripts (Korn shell, Bash Shell, Python, Ruby) Java, pl/sql, HTML, C, C ++

HA Clustering: IBM PowerHA (7.1/6.1), HACMP 5.x(x=1-5)/4.5, Redhat Cluster 3.0.

Networking: TCP/IP, NFS, DNS, NIS, SSH, DHCP, Cisco Routers/Switches and LAN

Storage Arrays: IBM EMC SAN (Symmetrix and Clariion), EMC SAN-NetApps storage, ESS SAN, Tivoli storage manager 5.4/5.3, DS8000

Cloud Technologies: Amazon Web Service (AWS), EC2 web instances, Amazon S3

App/Web Technologies: WAS WebSphere V 7.1/6.1/5.1/5.0 , Apache HTTP server 2.0.50/2.0.49 , IBM MQ Series 5.x, WebLogic V12/11/10.3 and Tomcat, LAMP, Filenet-Imaging Services

Management: Big-fix/TEM, Puppet, ITSM, HP-Service manager, & Remedy.

PROFESSIONAL EXPERIENCE

Confidential, Bensenville, IL

Sr. UNIX Engineer

Environment: Telecommunications (2500+ Linux instances, 1200+ AIX Servers, 50+ HP-UX Servers, 50+ Suse Linux Servers), p7 and p6 Series, IBM-Blade Center (Chassis Blades HS23, HS-22 & Racks), HMC V7R7.7.0, ILOM, HP/IBM blades, ILO, KVM, RHEL 6,5, GPFS, VMware-vSphere, Oracle RAC, AIX 6.1/5.3, VIO 2.2.2.1, HP-UX 11.31, Solaris 10.0/9.5; ESP, BEA Weblogic V12/11, App Servers, IBM HTTP servers, TSM, Scripting (KSH, C-SH, and BASH), DB2 ESE, and Oracle 10g DBA, AWS (Amazon Web Service), EC2 instances, and S3.

Responsibilities:

• Install and Configured Big-fix (TEM) on to UNIX (AIX and RHEL) servers. Administration and troubleshooting
• Scratch build of Virtual and Physical Linux servers on VMWARE ESX 4, ESXi 5, vSphere Client 5 and HP-DL380 G5/G6/G8p2, 580 G5/G7, DELL R710/720 and 920.
• Designing and configuring of large AIX systems (p7, p6), Building PowerVM Servers LPRAS, VIO Client LPARS installed VIOS 2.3, AIX 7.1/6.1 and RHEL 5.4
• Experience with creating the VSCSI (Vistula SCSI adapters) and SEA (Shared Ethernet Adapter).
• Worked on installation, applied patches/file sets, fix packs, rpm’s, YUM, security fixes, troubleshooting, on AIX 7.1/6.1 and RHEL 5.4
• Deploying and installing Suse Linux Servers via Templet or Clone from existing server.
• Patching the Redhat, Suse Linux Servers and IBM AIX Servers and Ubuntu.
• Security hardening Operating system level and Hardware level.
• Worked and fixing the Security PCI SOX complaints. And VSA Tool to identify the OS level vulnerabilities.
• Applied patches on to Linux servers and reboot, Configuration changes via Big-fix (TEM).
• Support the DB2 PureScale systems and ADDM appliance.
• Gained experience in GIT configuration and managed code versions effectively
• Installation configures, stop and start the IBM AIX, Red Hat Linux servers for the application apache/HTTPD, Tomcat, java, oracle client and Web logic.
• Involved in Adding new SAN disks, Partitioning and Disk Space Allocation for Blade Servers involving Dell Chassis.
• Configure the VIO Client LPARS to TSM (Tivoli storage manager) for the automated backup Schedule.
• LAMP Server installation and configuration, and patching of LAMP servers.
• Managed Severs or deployed Code via Big fix/IEM/TEM (Tivoli End point Manager).
• Administering AWS EC2 instances and Health & Security check of all the EC2 instances.
• Created 50 EC2 instances for a POC effort and maintained them.
• Decommissioned several un-used Servers (AIX and Linux).
• Administration and troubleshooting 3 Master Node GPFS clusters and several Clients.
• PowerHA Cluster Environment and Failover and fall back test on mutual takeover and rotating PowerHA Environment.
• Manage and deploy appropriate packages for the Red Hat Clients via Channel setup configured in the Red Hat Satellite Server.
• Installed, administered and configured Big-fix servers.
• Build, Install and configure Clusters in Red Hat on GFS2 File Systems for High Availability, Oracle RAC.
• Performed Change Management, Problem Management, cloning, Operating system and data backups and recovery Strategies.
• Provided production support in an on-call L3 rotation in a 24x7 environment.

Confidential, Bloomington, IL

Sr. UNIX/AIX/LINUX Admin

Environment: Insurance (auto, life and helth) (100+ HP-UX Servers), Ubuntu, Filenet-Imaging, TSM, Scripting (KSH, C-SH, and BASH), App Server, DB2 ESE, Oracle 10g DBA.

Responsibilities:

• Installed, administered, configured and maintaining the filenet application on the HP-UX physical and KVM/Virtual servers.
• Installation, up gradation, migration from UNIX (HP-UX/AIX/Solaris) to Red Hat Linux.
• Migrated filenet application from physical (PA-RISC) to Virtual (Itanium).
• Installed the TSM (TIM/ITIM) IBM Tivoli Identity manager on AIX 6.1/5.3 servers.
• Installed the Filenet-Imaging Service, Tera data and Java patches and granted the privileges to the users, incremental backups using netapp storage.
• Developed EBR (enterprise backup and recovery) script to take the RAW Partition backups.
• Developed enterprise backup and recovery cold, hot script to take the RAW Partition backups.
• Installed puppet on Linux servers and configure to communicate with Master Puppet Server.
• Deployed scripts, packages and other automation tasks via Puppet.
• Installed the Filenet-Imaging Service, Tera data and Java patches and granted the privileges to the users, incremental backups using netapp storage.
• Upgraded the IBM Filenet-Imaging Software, and configured.
• Devolved the Scripts to transfer the ftp data via MQ.
• Migration of various applications (WebSphere, sap) and data bases (Oracle, DBA db2, MYSQL) from UNIX to LINUX.
• Actively involved in conducting server assessments, finalizing requirements, capturing pre-assessment information of server, hosted applications and sizing the servers with the help of the performance teams.
• Restoring the files from the IBM Tivoli backups using dsmc.
• Convert the db2 files to msg files if there is any issue to process the db2 files.
• Followed ITIL best practices and worked with all levels of Hierarchy for a better infrastructure management.
• Helped the DBA to do the oracle update.
• Provided production support in an on-call rotation in a 24x7 environment.

Confidential, Menomonee Falls, WI

Sr. UNIX Developer

Environment: Retail (700+ AIX, 300+ Linux Servers, 200+ HP-UX Servers), pSeries (p740, p730, p570, p550 and p520), AIX 6.1/5.3, IBM-Blade Center (Chassis Blades HS-20, HS-22 & Racks) RHEL AS@5.4, GPFS, GFS2, VMware-Vsphere, ESP, NetCool, IBM WebSphere V6.1/5.1, IBM HTTP server, TSM, App Server, DB2 ESE, Oracle 10g DBA Retail/retek, Oracle RAC and java.

Responsibilities:

• Designing and configuring of large AIX systems (p7, p6), Building VIO Servers LPRAS, VIO Client LPARS installed VIOS 2.3, AIX 6.1/5.3 and RHEL 5.4
• Applied patches/file sets, fix packs, rpm’s, security fixes on AIX 6.1/5.3 and RHEL.
• Installation, upgradation, migration from Unix/HP-UX/AIX to Red Hat Linux.
• Deployed Puppet for configuration management to existing infrastructure. Puppet Dashboard.
• Deployed scripts, Fie System setup and other automation tasks via Puppet.
• Installation configures, stop and start the IBM AIX, Red Hat Linux servers for the application Tomcat, apache, Web logic.
• Configure the VIO Client LPARS to TSM (Tivoli storage manager) for the automated backup Schedule.
• Experience with creating the VSCSI (Vistula SCSI adapters) and SEA (Shared Ethernet Adapter).
• Installed the TSM (TIM/ITIM) IBM Tivoli Identity manager on AIX 6.1/5.3 servers.
• Installed the Tera data and Java patches and granted the privileges to the users, incremental backups using netapp storage.
• Administration and troubleshooting HACMP Cluster Environment and Failover and fall back test on mutual takeover and rotating HACMP Environment.
• Manage and deploy appropriate packages for the Red Hat Clients via Channel setup configured in the Red Hat Satellite Server.
• Involved actively in UNIX to Linux Migration that included Hardware Provisioning and Software Application Migration.
• Build, Install and configure Clusters in Red Hat on GFS2 File Systems for High Availability, Oracle RAC.
• Performed Change Management, Problem Management, cloning, Operating system and data backups and recovery Strategies.
• Worked on VMware and installed different Operating systems on VMware.
• Provided production support in an on-call rotation in a 24x7 environment.

Confidential, Sterling Heights, MI

Sr. UNIX/AIX Systems Administrator

Environment: Auto and Financial (1000+ UNIX Servers), IBM pSeries (p670, p650, p630, p595, p590, p570, p550 and p520), RS/6000, AIX 6.1/5.3/5.2, Enterprise Linux 5/4/3, HP 11i, Solaris 10/9/8, VMWare Servers, WAS V6.1/5.1, IBM HTTP server, App Server, Oracle RAC, DB2 ESE, and SAP.

Responsibilities:

• Developed Technical documentation procedure for work flow process.
• Worked on Special Project SAN switch migration from CISCO to BROCADE switches.
• Responsible for installation, configuration, and administration of Solaris 9 and Red Hat Linux on x86 architecture
• Configured and managed Dual VIO Server and VIO Client LPARS on Power6 (p595, p590) Hardware platforms through HMC V7.R3, HMC V6 and HMC V5.
• Applied patches/file sets, fix packs, rpm’s, security fixes on AIX 6.1/5.3 and RHEL.
• Involved in Developing and design process of infrastructure change from CISCO to BROCADE switch migration.
• Developed shell, bash shell, and Perl scripting for job Automation.
• Backup the VIO Servers to the NIM and Upgrade 20 Virtual I/O (VIOS) from (1.3.x -1.5.2.1) and IBM EMC SAN (Symmetrix and Clariion) ODM (5.3.0.0 - 5.3.0.1 ) and Power path (4.5.3-b011 - 5.1.1) in dual LPAR Environment on p670, p650, p595 and p590 and SUN SPARC machines.
• Ether Channel reconfiguration for fixing of the primary and back up miss configuration.
• Efficient use and managing the LPARS/DLPARS on p6, p5 using HMC V7R3 and HMC V6.
• Experienced with AIX Server Automation/Job Automation and Datacenter automation tools.
• Helped the Linux team in Monitoring & Identifying System Performance issues, System Tuning, System Security, Disaster and Crash Recovery Planning and related technical issues.
• Involved actively in Application Integration in Merchandise environment and Technical documented all the procedures for future project implementations.
• Installed AIX and performed the OS upgrade flawlessly updating the existing applications and adding new ones without incident.
• Worked closely with WebSphere, Oracle RAC, db2, Sql, Java J2EE, SAP, (TSM) Tivoli Storage Manager 5.4, AIX and Actuate, TSM Tape library and Cogon’s team for installation of those applications and to ensure optimal performance of respected applications up on the Migration/upgrade.

Confidential

UNIX/AIX System Engineer

Environment: Retail, Healthcare and Pharmacy (2000 plus UNIX Servers), IBM Blade (JS20, JS21), IBM RS/6000, IBM P-Series, SPARC, Ultra, HP 3000, NCR, AIX 6.1/5.3/5.2/5.1/4.3.3 , HP-UX 10i/11i, Solaris 10/9/8, RHEL 4/3, Windows 2000, IBM HTTP server, IBM WebSphere App Server V6.1/5.1/5.0, Net Backup 4.5, DB2 DBA, and Oracle 11g.

Responsibilities:

• Automated processes by developing system start-up scripts using Perl, Bash
• Day-to-Day trouble shooting for the end users on AIX/RHEL/Solaris based applications.
• Worked on Hardware Conversions and Software migration from NCR/HP/JS20 Blade Center servers to JS21 Blade Center servers. And from UNIX/HP-UX to AIX OS.
• Provide administrative support for HP Server Automation and installed HP Open view monitoring.
• Setup and configured networks TCP/IP using mktcpip and chinet. and Experienced on Nortel switch configuration over the network, Worked on Nortel switch for configuring the switches and Trouble shooting.
• Design, Building LPARS, managing the LPARS on p650, p630, p550, p570 using HMC V6 and V5.
• Created and configured VIO Servers and VIO Clients LPARS using HMC V6 and installed/backup VIOS, BOS using NIM.
• Setup NIM client and install AIX Base operating system using NIM Master Server.
• Installed and Configured Apache Web Server, Apache HTTPD Web Server, Red Hat JBoss Server and also configured Kick start Server to install Red Hat Linux on multiple machines
• Worked on Firmware, patching, upgrades, User management, OS backups, data backups and Application Startup issues, on various UNIX flavors AIX, LINUX, Solaris and HP-UX.
• Wrote Korn Shell scripts for automated Health checks, audit compliance for AIX, RHEL and Solaris.
• Worked with Sybase team on installation of Sybase and up gradation and restoration.
• Installation, configured and Administration of Solaris 10 on Zones and Containers.
• Created disk groups, volumes, volume groups and RAIDS using VERITAS Volume Manager.
• Experienced in Installation and configuring of IBM WebSphere 6.1/5.0, IBM HTTP Web Server, Java J2EE patches, Sql, Mainframe on the AIX 5.1/4.3.3 and Linux servers.
• Configured Firewalls on RHEL 4/5 using IPTABLES, IPCHAINS and TCP Wrappers for Credit authorized applications
• Provided production support in an on-call rotation base in a 24x7 environment.

Confidential

Jr. System Administrator

Environment: Software Development (100 plus UNIX Servers), IBM F40/F80, SUN SPARC, Ultra, IBM AIX 4.3.3/5.1, Linux 3, Solaris 8, Oracle, DB2, Testing, and Apache web server

Responsibilities:

• Install and manage several IBM RS/6000 AIX, Solaris, Linux systems, which include user management, disk management, file system management, Daily Backup and Restore operations, test, development and production.
• Software and Hardware upgrades of AIX 5.1/4.3.3, Solaris 9/8, and RHEL 4/3 Servers.
• Created disk groups, volumes, volume groups and RAID using VERITAS Volume Manager.
• Attend weekly change management meeting and suggest various changes.
• Assist in the setup of a Web development environment on AIX, Solaris, and LINUX platform.
• Configured TCP/IP for servers and workstations and setup of complete network.
• Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, make and change logical volumes and file systems.
• Performed change management, Problem Management, data backups (mksysb, savevg), cloning and user’s logon support.
• Performed the daily system administration tasks like managing system resources, writing scripts, and end users support, operations and security.
• Provided round the clock On-Call Support in debugging and fixing issues related to AIX, Red Hat Linux and Solaris.
• Created Jumpstart image for Solaris 9/10 and configured new Linux and Windows servers
• System administration tasks on AIX, Linux environment in Oracle Internal Servers.