Summary:

• Over Seven years of proven experience as a UNIX Administrator with AIX 4.x/5.x/6.1/7.1 and Linux Red Hat 4, 5,6 and Sun Solaris 8/9/10 .

• Extensive experience in Administration, Installation, Upgrading, Migration, Configuring, Troubleshooting, Security, Backup, Disaster Recovery, Performance monitoring, and Fine-tuning
• Good knowledge of xen and pacemaker / Heartbeat
• Solid knowledge in creating and managing file systems JFS, JFS2 GPFS , Disk Management, Storage, and Logical Volume Management LVM .
• Experience in configuring NIS, NIS , NFS, SMTP, DNS, DHCP, Mail Server, LDOM and Samba Server in a heterogeneous environment.
• Experience with TSM to perform backups and restores using command level and GUI
• Migrated physical servers to virtualized environment DUAL VIO
• Configured backup/archive policies using backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness
• Expertise with Symantec Netbackup and EMC RM to perform HOT DB backups for Oracle.
• Using chef on AWS platform - AWS OpsWorks.
• Automating with OpsCode Chef, testing chef recipes/cookbooks with chefspec/serverspec.
• Configured new chef system to manage core infrastructure.
• On Mainframe, convert MVS COBOL to AIX. Helped in writing C programs and COBOL to migrate data from IBM Mainframe to AIX.
• Solid experience with Symantec Netbackup to perform backups and restores.
• Experience with Data Center Migration also includes cabling, racking p520, p550 and p570 machines.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Planned for, tested and then managed the upgrade of our puppet.
• Good experience with technical documentation and change management process.
• Good knowledge of Scripting Perl, Ksh, bash, Cronjobs to perform administration tasks
• Expertise in firmware upgrades on IBM P4 and P5 and installations of Fixes, patches and Maintenance levels ML for AIX OS.
• Worked in a fast-paced 24x7 UNIX production environment and provided on call support and remote support to prioritize work ethically and complete the projects well before deadlines.

Technical Skills:

Professional Experiences:

Confidential

AIX/LINUX System Administrator

Responsibilities:

• AIX systems administration including operating system installation and upgrades.
• Configured attached storage both internal SCSI RAID and EMC SAN devices. Create new logical volumes, file systems and directory structures as requested. Supported advanced features such as Recover Point for Disaster Recovery.
• Participated in the Open Knowledge Initiative of OpenStack. Optimized database openstack schemas and provided consultation to various service teams for query performance improvements.
• Monitoring of disk usage alerts and proactively takes action to avoid production issues.
• Took part in an On-Call rotation supporting 24x7 critical Production applications. Provide support as required during normal business hours as well as after hours.
• With openshift worked with application developers to test, deploy, and run their applications.
• Work with vendor software engineers to correct problems and enhance performance.
• Evaluate the impact of new and proposed applications on the SMART Pharmacies operating environment and recommend changes to ensure the functionality and stability of the operating environment.
• Perform Linux operating system installation, upgrades, patching, tuning, and troubleshooting.
• In depth experience with IP networking TCP/IP packet analysis, DNS, DHCP, NAT, SNMP etc.
• Working on various platforms AIX, Linux Windows.
• Worked on various Plugins out of the Apache and on some bug fixes.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Planned for, tested and then managed the upgrade of our puppet
• Configuration of IBM X3650 M3 M4 and Dell R510
• Provide technical consultation services and analyze project requirements to develop cost effective, supportable solutions to fulfill business need
• Installation Configuration of RAID card
• Worked on SOAP an XML based messaging protocol and REST an architectural style.
• Experience managing servers remotely in a distributed environment.
• Configuration if IMM AMM consoles
• Supporting the Storage system, on DS 32k and N series and RIAD Card
• Migration Aix to Linux Linux 2 Linux
• Configuration Imaging the Vms
• Configuring Pacemaker / Heartbeat DRDB Cluster.
• Installed HBA's on Linux hosts and configured secure path drivers for failover capability.
• Followed the documented and accepted change control procedures. This included using the company release management utilities to review and accept other's planned changes that require AIX Linux, planned changes, emergency changes and documentation for large planned releases / maintenance weekends.

Confidential

AIX System Administrator

Responsibilities:

• AIX systems administration including operating system installation and upgrades
• AIX Partitioning, SAN experience EMC , Disaster Recovery.
• Supported the AIX environment through the entire server life cycle - forecasting to acquisitions through decommissioning.
• Configured attached storage both internal SCSI RAID and EMC SAN devices. Create new logical volumes, file systems and directory structures as requested. Supported advanced features such as Recover Point for Disaster Recovery.
• Monitoring of disk usage alerts and proactively takes action to avoid production issues.
• Troubleshoot problems using native AIX tools and utilities to check system status including CPU, memory, and space utilization. Identify root causes hardware, operating system, application and take appropriate actions to resolve, working with internal resources and third party vendors to provide complete solutions. This will at times require the coordination of multiple third party vendors and internal resources.
• Took part in an On-Call rotation supporting 24x7 critical Production applications. Provide support as required during normal business hours as well as after hours.
• AIX operating system / firmware / driver updates and infrastructure application updates WebSphere, JAVA, EMCPowerPath to ensure that the environments are running optimally at supported software levels.
• On Mainframe, convert MVS COBOL to AIX. Helped in writing C programs and COBOL to migrate data from IBM Mainframe to AIX.
• Monitoring of system resource utilization and adjust profiles, move LPARs, diagnose OS / Application issues or adjust architecture as required to maintain application availability, disaster recovery and performance.

• Small platform - Using chef on AWS platform - AWS OpsWorks.
• Automating with OpsCode Chef, testing chef recipes/cookbooks with chefspec/serverspec.
• Worked on XFS file system and created on a striped RAID array.
• Followed the documented and accepted change control procedures. This included using the company release management utilities to review and accept other's planned changes that require AIX support, planned changes, emergency changes and documentation for large planned releases / maintenance weekends.

Professional Experiences:

Confidential

UNIX Systems Administrator/Engineer

Responsibilities:

• Administration of RHEL 5, Solaris 8,9,10 and, AIX 5.3 6.1 which includes installation, configuration, testing on both physical and virtual machines.
• Installed and Configured IBM AIX 6.1/7.1 Servers on P770's
• Administered and Monitored RHEL 4.x/5.x AIX 5.x and Sun Solaris 9/10.
• Adding/expanding new storage to existing/new systems using LVM, Veritas Volume management VXVM and Vxfs on Linux/SUN servers.
• Used Veritas Cluster Server VCS and Veritas Foundation Suite to provide high availability and storage management. Responded to unplanned system failovers within a production VCS environment.
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Creating metadevices, soft partitions, mirroring the devices and metasets.
• Space allocation to the metadevices, detaching and clearing the devices if not in use.
• Worked on the latest Linux Application servers and Tuned RED Hat Linux Kernels
• Configuration and Administration of the Web and Application server and Deployment of War File using Apache and Tomcat 6
• Application of Load Balancer in the Virtual Linux Server.
• Administering the iseries hardware and OS.
• Performed daily system backups, restores, and system IPLs
• AS400/iSeries, AIX, Windows 95/98/2000/xp
• Administration of NIS or LDAP environment
• Understanding of SAN and NAS storage.
• Capacity planning and fine tune system for optimal performance
• Troubleshooting Hardware and Operating system related issue
• Administer configure various FS like JFS, VxFS, Pseudo FS
• Configuring and supporting Domains, LPARs, DLPARs
• Writing shell scripts to accomplish day-to-day system administration task
• Printer Administration
• Patch and Package administration
• Worked on day-to-day tasks which include rpms upgrade, SAN and NAS Disks configuration and Managing LVM file System
• Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system
• Used System Monitoring Tools such as Top, SAR, VMSTAT, IOSTAT, FREE, PS etc
• Network troubleshooting using 'ifconfig', 'traceroute', 'netstat', 'ping' etc
• Managed systems remotely using ILO and HP
• SAN Storage Migrations of IBM AIX, Red Hat, Solaris servers from HP EVA storage array to EMC Symmetrix Storage array.
• Configured new service group and resources for new application in Veritas Cluster Servers.
• Worked on server consolidation and migration projects.
• Configured and Administrated of Fiber card Adapters and handling of SAN Storage array's, HP EVA, EMC
• Worked extensively on planning and configuration of LPARS/D-LPAR's on IBM P-Series P570, P590, P770
• Configuring virtual machines using VMWARE to install Linux guest operating systems
• Implemented hardware Raid on HP DL servers.
• GPFS upgrades, Node additions and LUN resizing on AIX Servers
• Performed server Virtualization using IBM P-Series servers and Dual VIO's
• Configured NPIV and MPIO on VIO servers and their client Lpars
• Conducted planning, Implementation and management of NIM Master server and NIM Clients.
• Installation, Configuration and Administration of high availability Veritas Cluster Servers for failover and redundancy purpose
• Applied new patches for Linux servers, and installed packages using RPM and YUM
• OS upgrades to higher Tech level in IBM AIX 5.3, 6.1
• OS Migration from IBM AIX 5.3 to AIX 6.1, with coordination from application team
• Installed Web Logic 9i with configured Domains, Admin and Deployed Application.
• Defined Network File Services NFS , and Network Information Services NIS in Linux Systems.
• Automated routine jobs by developing Korn, Perl and Bash shell-scripts
• Installation Maintenance like replacing bad disks including bootable disks, OS, patch installation, Configuration of DNS, auto mount, and NIS and NFS services.
• Used kickstart for network based OS installation on Red Hat Servers
• Installed and configured VMware/vSphere ESX server on IBM servers.
• Performance Management Tuning of Red Hat Kernels.
• Installed oracle 10g, Allocated necessary space required for oracle Database for backup Operation.
• Creating User File System and user accounts on Red Hat Servers.
• Administered DNS, DHCP, HTTP servers.
• Performed virtualization using XEN.

Environment:AIX 5.1/5.2/5.3, Red Hat Linux 4.0,5.0 AS ES, Sun Solaris 8/9/10, SAN Storage, 4.5.5, IBM-z/VM, Oracle 9i/10g, Korn, Perl, Bash, Samba, NT/2000 Server, DNS,DHCP,HTTP servers , WebSphere, Web Logic 8.1, VMware ESX 2.x, vSphere ESX, LPAR, DLPAR ,Tomcat 3.x,4.x,5.x, Apache Server 1.x,2.x,Jboss 5.0, Korn, Bash

Confidential

System Administrator

Responsibilities:

• Worked on pSeries power5,power6 and power7 hardware to set up Virtual I/O Server environment VIOS and LPAR/DLPAR on IBM pSeries hardware p520/p550/p570/p595
• Created and configured virtual server and client SCSI adapters on VIO server and client LPARS and performed DLPAR actions as required.
• Allocated SAN storage to VIO server and shared it to the client LPARS.
• Performed OS upgrades from AIX 5.3TL7 to AIX5.3TL11 and then to AIX6.1
• Administered LPARS through HMC and allocated resources as required via proper change control management.
• Performed VIO server and HMC backups.
• Expertise with performing OS installations and backing up mksysb images through NIM server.
• Performing Volume Management using VERITAS Volume Manager 4.0/3.x and Cluster S/w: VERITAS Cluster Server 4.0/3.5/2, Sun Cluster 3.0/2.2, HP MC/ServiceGuard A11.01/10.11.
• Scheduling daily/weekly/monthly backups using Brightest Enterprise Backup 10.5 on HP MSL 6030 Tape library.
• Experience in configuring and trouble shooting of Custom Jumpstart services multiple servers.
• Setup, installation and configuration of NFS and Naming services like NIS, DNS.
• Extensive Experience in System monitoring, Performance tuning and secure the Solaris environment.
• Administered tasks like user and password management, allocating quotas to users as well as system
• startup and shutdown, monitoring and partitioning
• Performed various tasks like administering, monitoring and troubleshooting Solaris 8
• Installation, upgrade, configuration and management of a large network environment consisting of Sun servers Sun fire 6800, 4800, v480, E6500, E5500, E3500, E450 , Sun workstations Ultra 10, 20
• Implementation of RAID techniques and the creation of Disk groups and volumes, plexes using VERITAS Volume Manager.
• Performed setup and configuration of Install Server, Configuration Server and Boot Server for Jumpstart process.
• GPFS Installation, upgrades troubleshooting, node additionson AIX Servers.
• Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager
• Involved with preparing technical documents like Technical Installation Plan, and Technical Installation Reviews.
• Developed Bourne and Korn shell scripts for automating administration tasks.
• Experience with management and support of a large EMC-based SAN environment.
• Configured AIX and Linux on p-series servers in SAN environment with EMC Symmetric. Fiber interface cards configured on pSeries hardware to attach through SAN switch.
• Scheduling of Daily, weekly, Monthly backups using Veritas Netbackup.
• Duties also include user administration, scheduling jobs using crontabs, file system maintenance, scripting and automation as a part of day-to-day administration.
• Involved in Setting up and maintaining network environments like NFS, NIS and also maintained DNS server.
• Installed, Configured, Administered, and Supported IBM Web Sphere Application Server 6.0/7.0 on Linux and AIX servers
• Experience in deploying application on AIX
• Worked in a fast-paced 24x7 production environment and provided on call support and remote support to prioritize work ethically and supported through Trouble Ticket Handling.

Environment: AIX 5.1, 5.2, 5.3, 6.1 pSeries, TSM 5.x Oracle 9i, Shell scripts Korn, Perl, SAN, NIM, LPAR/DLPAR, HMC, Veritas Volume Manager 3.1, IBM WAS 6.0/7.0

Confidential

AIX Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• 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. Assigned resources by making six partitions LPAR client of VIO server and clients Installation.
• Responsible for performance tuning of AIX
• Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
• Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels fault tolerance for protected data storage in NAS environments. Install and configure DHCP, DNS BIND, MS , web Apache, IIS , mail SMTP, IMAP, POP3 , and file servers.
• Setup network printers and installed client/server applications. Define/setup network protocols, Network File Services NFS , and Network Information Services 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.
• Setting up, scaling, administering, troubleshooting IBM GPFS on AIX Servers
• Performed daily backups, restoration of data as per requests from developers.
• Configured SSH for secure telnet and FTP connections.
• Configured DNS, LDAP, I-planet, Apache HTTP servers
• Provided support by 24x7 shift rotation basis and pager support
• 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.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Environment: AIX 6.1, 5.3, 5.2, 5.1, LPARS, VIO, HMC console, POWER Virtualization, NIM, DHCP, DNS BIND, MS , NT/2000 Servers, Korn C shell.