SUMMARY

• Over 7+ years of experience in Administration, Engineering and Development of Information Systems on AIX, UNIX, Linux (RHEL), HP - UX and Sun Solaris.
• Experience in System Admin specializing inAIX 5.1, 5.2, 5.3, 6.1 & 7.1 OS.
• Experience in creating and managingLPARson different IBM servers likep550, p570, p590, p595, p630, p650, p670, p690 and p770.
• Experience in installation, configuration, Troubleshooting and administration of AIX 5L, 6.1 && 7.1.
• Experience in build, performance, troubleshooting and Maintaining AIX and security Patching.
• Performing Administration such as Virtualization and logical partitioning of CPU, DLPAR, HMC&IVM usage, VIO concept.
• Performing administration on NPIV, by assigning the Virtual Fiber SCSI adapters and assigning the LUNs, LPM administration and performing the operational acceptance test in between managed systems to avoid any failures.
• Sharing physical FC adapters to different LPAR’s through VIO server using NPIV and to ensure the LUNs are allocated successfully on the client LPAR’s.
• Experience in IBM HACMP, POWER HA Cluster & working with the application team to ensure the applications start/stop without any failure in case of event failures.
• Expert in Power HA migrations from different versions in different methods.
• Experienced in administrating the POWER HA clusters like increasing the clustered filesystems and replacement of hardware dynamically in POWER HA cluster.
• AIX Server build and administration of Blade server JS22, JS23 & JS42 and p-series p590, 570, 550 RS6000 Servers, installing, configuring and maintaining Web sphere Application Server.
• Configuring SEA in dual VIO environment for providing continuous availability communication to the LPAR’s.
• Experienced with installing and upgrading operating system on client using various methods includingNIM installationusing and creating LPPSOURCE and SPOT.
• Exposure in Creation of VSCSI adapter and mapping the disk to client LPAR’s for the NPIV.
• Creating shared processor pools Creation of LPAR's using micropartition.
• Performance Tuning and Capacity Planning and evaluating products in UNIX area.
• Strong in LVM (Storage Methodology) and file system management and recovery.Worked on striping of PPs and Mirroring Volume groups.
• Implemented Dual VIO with Link aggregation and used integrated virtual device, VirtualSCSI disk through SAN as root disks to VIO-Clients and Fiber card virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.
• Migration of AIX OS from 4.3.3 to 5.1, 5.2 to 5.3 and 5.3 to 6.1 on P Series servers.
• Migration of AIX Systems from old P4, P5 to P6 hardware.
• Daily activities include Routine health checks of HDS HiTrack, HCS, HGLM Fabric/Health check,Netapp
• OCI reporting and provide updates to the Management.
• Experience in managing Net App filers with multiple TB Data storage.
• Installed and configured VIO servers and LPARs via HMC 6 & HMC 7.
• Configuring and administration of weekly mk sysb backup on AIX servers.
• Installation of patches, Security fixes, packages on AIX, Oracle Solaris, Linux and Windows NT/ Servers.
• Configured shared Ethernet adapters, virtual disks, MPIO in VIO.
• Configuring and administration of NFS server and NFS client.
• Designs, implements, and manages EMC Snapview Snapshots & Clones on several required systems, including the Epic Production environment, criticalnon-Production environments and Clarity Production systems
• Installed and Configured DB2, Web Sphere Application Servers on AIX Server.
• Experience in installing new software on AIX 4.3, 5.2, 5.3, 6.1, 7.1
• Upgrading Technology Levels, Adding network printers and conducting day-to-day system administration, Including backup /recovery in NAS environment.

TECHNICAL SKILLS

Operating System: IBM AIX 5.X, 6.X 7.X, Red Hat 4.X, 5.X, Sun Solaris 8, 9, 10, ESX (me), Windows NT

Hardware: IBM p510, p550, p570, p595, p770, p780, Blade Server JS22, JS23, HP C6000

Storage: EMC Symmetrix, VMAX, IBM DS4700, DS6800

Cluster: HACMP 5.4, Power HA, VERITAS Cluster

Network HA: Ether Channeling, NIC Bonding.

Storage HA: HDLM (Hitachi), Power Path (EMC), DMP (VERITAS), MPIO

File System: AIX Logical Volume Manager, VERITAS Volume Manager 3.X, 4.X

Virtualization: HMC, SDMC, VIO, IVM, VMware v Sphere client 4.X/5.xi

Servers: Apache Web Server and Web sphere Application Server, Jboss

Centralization: LDAP (Red Hat), Kerberos (Windows AD), NIS

Service Management: Infra, BMC Remedy, Team Track

Third Party Tools: BMC Patrol, Remedy, CMDB, Blade Logic

Data Bases: Oracle,sql, Mysql

PROFESSIONAL EXPERIENCE

Confidential, Omaha, NE

System Administrator

Responsibilities:

• Written testing plans, code and documentation for assigned portion of application.
• Installing, supporting, maintaining, trouble shooting and providing analysis for new, present, and future Exchange 2003/2007 servers.
• Experience in installing ESXi, VMware vCenter Server and creation of folders, Datacenter and VMware clusters using enhanced features like HA and DRS.
• Work with Business Managers to ensure dat new equipment, facilities, services, and systems has disaster recovery requirements addressed.
• Setup customCloudorchestration templates for source controlled server deployments
• Perform all Mainframe, Dell/HP/IBM Storage Systems, and WAN maintenance, installation, and repair
• Systems administration on 1500+ server environments
• Custom-built storage arrays as well as supporting computational resources. Monitoring and management within a high availability, large scale environment
• Standard Linux/UNIX administration activities on Linux servers. Investigate and resolve system problems/performance issues.
• Access Management improvement initiative fromSAASOperations side.
• Linux networking for the storage arrays and documentation.
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), IIS 5.1/6.0/7, FTP, Terminal Server, Microsoft Clustering, Exchange Mail Server and ISA Server
• Configured and Administered allCloudnetwork VPN tunnels and networks to client's networks
• Expertise in building Microsoft Windows 2008 R2, 2008, 2003, 2000 servers using HP Smart Start, Array configurations, diagnosing server, Updating Firmware and PSP, Application Software under multi-platform environments, deployment & monitoring physical Servers.
• Responsible production support of Active directory (AD), GPO, GPP, Domain users, Users and groups and given appropriate permissions, shares and privilege to access LAN and Domain environment.
• Administrating, creating and modifying DNS records, DHCP scope and reservation, DFS link, Web servers including record/scope creation, troubleshooting and WINS and DNS and managing user and group accounts
• Experience in Microsoft Office Suite, Open Office, Visio, Outlook, Printing, and Windows networking.

Confidential, Las Vegas, NV

Systems/Software Engineer

Responsibilities:

• Managed the desktop support queue, assisting users with hardware and software issues
• Installation and configuration of printers, faxes, and scanners
• Created and modified objects in Active Directory
• Created and configured Exchange mailboxes
• Installed and supported VPN software
• ExperienceinAWS, which included managing applicationinthecloudand creating instances.
• Used disk space management tools for server monitoring
• Worked the on-call rotation for after-hours support
• Set up and configured mobile devices for email access and troubleshot basic mobile phone issues
• Virus removal
• Printer support
• Documented, troubleshot, and proactively monitored backups using Xpress STOR backup software designed by Winning Technologies Inc.
• Monitored and configured Barracuda Web and Spam filter
• Install VMware, CITRIX Servers both Xen App, Xen Desktop and dependencies including DRS, SQL Clustering, and Backups. Configure and monitor iSCSI SAN,SAASusage.
• Developed and supported the Red Hat Enterprise Linux based infrastructureinthecloud environment.
• Installed and monitored Spector software
• Installed updates, hotfixes/patches on servers; monitored server alerts using Big Brother and Nagios software
• Worked with Microsoft Exchange, Windows SBS, Citrix, Blackberry, and Windows Server 20 R2 and iDrac
• Worked with DHCP and DNS installation and configuration, as well as, file and print services
• Configured and modified Firewall settings

Confidential, Timonium, MD

Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.2 and 5.3 operating environment.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and NIMADM upgrade.
• Has upgraded servers from AIX 5.1 and 5.2 to 5.3.
• Configuration management including the building of LPAR’s using HMC and configuring the hardware devices dat support them.
• Extensively used LVM - created VG’s, LV’s & disk mirroring for IBM p-series servers.
• Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
• Responsible for backing up the system image mksysb and restoring them during the system recovery process.
• Capacity planning of disk space and hardware resources required for production and developments.
• Responsible for migrating and decommissioning of the system.
• 24/7 support, setup and configuration, AIX OS installation/Migration/Cloning, System support and Administration of IBM RS/6000 and p4 Servers.
• Applied Security Fixes, APARs and upgraded Maintenance Level.
• Backup, System Recovery, Security and Performance Tuning.
• Assist Application department to install application on AIX system. Tune AIX for application requirement Working with application admin to resolve performances of systems.
• Coordinated team for upgrade AIX 5.1 to AIX 5.2.
• New system planning, System related problem determination and resolution.
• Building of new VIO Servers and clients from p-series p550, p560, p570, p590 using HMC.
• Creating Logical Partitions of VIO Servers and VIO Clients on p Series frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPAR’s).
• Installation of VIOS 1.5.2.5, VIOS Fix packs 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever.
• Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology (LPAR’s).
• Building and configuring AIX V6.1, 5.3 on LPARs using NIM.
• Responsible for the support of Production, HA, DR, QA and Development environments with over 30 servers (v240, v490 and E2900) running on Solaris 8 and Solaris 10.
• Responsible for monitoring systems performance and troubleshoot system / network bottlenecks.
• Written Shell scripts to collect server statistics.
• Used svmon command alot in scripts for memory aspects.
• Documenting each and every procedure and uploading the Documents on the Internal Web Portal of the Company for Team Reference.

Confidential

UNIX Administrator

Responsibilities:

• Hardware Maintenance and System Administration of existing p-series systems running AIX 5.3.
• Logical volume management and disk management.
• Administered the UNIX System for clustered AIX Servers running HACMP and DLPAR’s with fiber attached SAN storage.
• Created users, manage user permissions, maintain User & File System quota.
• Setup network printers and installed client/server applications.
• Configured lpp source and SPOT on NIM server.
• Installed OS on NIM clients using NIM Server.
• Define/setup network protocols, Network File Services (NFS) and (NIS).
• Network management of TCP/IP networks, IP address management.
• Performing upgrades of OS and applications.
• Korn & C shell scripting, mainly for scheduling jobs (CRONTAB).
• Inventory management for Software and Hardware.
• Tested products for evaluation purposes and documented for necessary changes required as per environment.
• Performed daily backups, restoration of data as per requests from developers.
• Configured SSH for secure telnet and FTP connections.
• Configuration and administration of Fiber Adapter's and handling AIX part of SAN.
• Configured DNS, LDAP, me-planet, Apache HTTP servers.
• Configured Microsoft Active Directory, PDC, and BDC domains.
• Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
• Performed User Account management, data backups, and users' logon support.
• Diagnosed hardware and software problems and provided solution to them.
• Monitored trouble ticket queue to attend user and system calls.
• Attended team meetings, change control meetings to update installation progress and for Upcoming changes in environment.
• Updated data in inventory management package for Software and Hardware products.
• Capacity Planning, Infrastructure design and ordering systems.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Confidential

Linux System Administrator

Responsibilities:

• Administered a heterogeneous environment comprising Red Hat Linux and Solaris with emphasis. Administration involved installation, configuration, evaluation, implementation and support of strategic Business systems in a heterogeneous environment.
• Expert in Kickstart and Jumpstart for Linux and Solaris Installation Methods
• Worked on SAN & NAS devices like EMC Clarion’s, and NAS Devices like NetApp filers.
• Worked on NetApp filers like FAS 3240 & 6070 running DATA ONTAP 7.x.
• Implemented FTP server with Ncftp and ssh2 (Tectia SSH) keys for file secure transfer file transfers to/from the clients, which is Internet-facing. Security was implemented with HIPAA compliance.
• Involved in applying Patches, Installing patch bundles on Solaris, AIX and Red hat Linux.
• Configured VMware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware
• Network Monitoring Using Nagios tool
• Upgraded Red Hat Linux servers from 5.2 to 5.4.
• Involved In Migration from to Red Hat Linux.
• Deployed patches and upgraded RedHat Linux servers and SUN servers to their latest versions.
• System performance tuning, User administration and security.
• Scheduling Backups, Monitoring & taking failover test of Veritas Clustered servers
• Installed application connectivity software to enable IBM print services. Configured and administered firewall rules to TEMPeffectively monitor system files, port security, and network traffic activity coming through the firewall.
• Installed and configured Apache ANT for automated build processing using RPM
• Experience in Installation and configuration of JBOSS on Red Hat Linux servers.
• Installed and configured Sudo for users to access the root privileges.
• Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets
• Experience in Servers consolidation and virtualization using UML Linux, XEN and VMware virtual infrastructure, VMware ESX 2.x, VMware Vcenter.
• Developed automated processes dat run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.