Noopur Agarwal

Sr. Linux/ UNIX System Administrator

acgcvj@r.postjobfree.com

909-***-****

acgcvj@r.postjobfree.com

SUMMARY

• 7+ years of IT experience in large-scale enterprise support. Proficient in all aspects of

Server computing Infrastructure Management.

• Experience in Installation, configuration, and System Administration with Linux (RHEL

6/5/4/3), Solaris (10/9/8), HP-UX (11.x/10.x), AIX (5.x/4.x) and Windows

(/2008/2003/2000/NT) administration.

• Experience in building Servers using Kickstart for Linux, Jumpstart and Flash Archive

for Solaris, Ignite for HP-UX and exposure to NIM for AIX installation.

• Experience in RPM Package Administration for installing, upgrading, and checking

dependencies. Reconfiguring RPM database using RPM Build and creating YUM

repository in Red hat Linux

• Experience in building Red Hat Network Satellite Server for automated installation of

Linux boxes and creating image of Linux system with SystemImager that automates

Linux installs.

• Experience in installation, configuration and administration of VMware based virtual

servers using ESX/ESXi servers, vSphere and Virtual Center.

• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server,

Sun Cluster, Red Hat Cluster Suite and HP Service Guard.

• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager

(VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System

(VxFS).

• Extensive experience in installing, configuring and maintaining Application Servers like

WebSphere and WebLogic, Web Servers like Apache, HTTP and Tomcat on UNIX

and Linux.

• Extensively worked on administering NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail

servers and Samba servers.

• Extensively worked on Solaris 10 Container technology, responsible for creating,

configuring and maintaining ZONES and installing applications on individual zones

(global and local zones).

• Performing software installation, upgrades/patches/packages, troubleshooting, and

maintenance on UNIX & Linux Servers.

• Experience in configuring Zettabyte File System (ZFS) pools, file systems, snapshots and clones in

Solaris and Global File System (GFS) in Linux.

• Experience in User & Security administration, multiple backup & recovery

technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.

• Expertise in configuring IPMP (IP network MultiPathing) in Solaris and Bonding in

Linux.

• Capacity planning and recommending hardware for SAN (Storage Area Network)

implementation and replacements.

• Experience working on Oracle Real Application Cluster (RAC) database, which provides highly available

database solutions and supported MS SQL Server and DB2 teams.

• Experience on Live Upgrade, migrating from UFS root file system to ZFS file root

system in Solaris.

• Involved in Data Center Migration for P2P, V2V and P2V environments.

• Storage experience in managing NAS, EMC storage arrays and Veritas Net Backup

administration (VNB).

• Extensive experience in doing backup to tapes periodically using job scheduling

Crontab & AT.

• Expertise in monitoring System resources and Kernel parameters to enhance the system

performance.

• Extensive experience in Shell (Bourne, Korn) and knowledge of HTML, Java Scripts,

SQL, Perl Scripting.

• Administering operating systems, hardware, and peripheral components, and maintain

databases.

• Expertise in designing and implementing LANs, WAN services and IP Addressing

schemes.

• Experience working with ITIL process (Change management, release management and

problem management).

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• Excellent communication, leadership, mentoring, written and problem solving skills.

• Excellent interpersonal and customer relational skills.

• Proven communication, presentation skills and leadership qualities.

• Good team player with proficiency at time management, multitasking, able to meet

deadlines and handle priorities.

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TECHNICAL SKILLS

Operating System Red Hat Linux 6/5/4/3 Solaris 10/9/8, HP-UX 11.31, 11.23, 11.11, 11.0, IBM AIX

5.x/4.3, Windows 2008/2003/2000/NT.

Hardware SUN Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2, M-

Series, T-Series Servers, HP Proliant DL 380/360 G6, G5, p3440/rp7440/rp 8440

Server, SUN StorageTek Tape Auto Loaders SL48/SL24, IBM RS/6000 /S80 / M80 /

H70 / H50 Series server and pSeries, HP/Dell/IBM/Sun Blade Servers..

Network/Naming NFS, NIS, NIS+, DHCP, Proxy Server, DNS, LDAP.

Services

App/Web Servers WebLogic 11/10/9, WebSphere 8.0/7.0/6.0/5.0, Apache 2.x/1.3x, Tomcat.

Languages UNIX Shell Scripting, Perl Scripting, HTML, Java Script.

Third Party Software Veritas Volume Manager(VxVM), Veritas Cluster Service, Red Hat Cluster Suite, HP

Service Guard, Sun Cluster, EMC Storage, VMware ESX, RAID Technologies.

Backup Management Veritas NetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd

RDBMS Oracle 12c/11g/10g/9i/8i, MS SQL Server, My SQL

Protocols TCP/IP,UDP, RIP, FTP, SNMP, OSPF, SMTP, TELNET,

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• CERTIFICATION

• Sun Certified System Administrator (Solaris 10)

EDUCATION

• B.Tech. in Computer Science

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PROFESSIONAL EXPERIENCE

PNC Bank, PA Nov’12 - Present

Sr. Unix/Linux Administrator

Responsibilities

• Installation, configuration and upgrade of Linux, Solaris, AIX, HP-UX and Windows

operating system.

• Installation of Patches and Packages.

• Configuring NFS, NIS, NIS+, DNS, and disk space management on Linux/Unix servers.

• Installing and configuring Linux, Solaris, HP-UX, and AIX using kickstart, Jumpstart, Ignite and NIM.

• Worked on DataCenter Migration Project. Migrated Linux/Unix Servers from one data

center to other data center with minimal downtime.

• Extensive working experience in process scheduling, disk and file system I/O, kernel

internals, TCP/IP networking.

• Implemented SUDO, SSH and other security tools and security compliance

• Involved in installation, configuration and administration of Apache Web server, BEA

Web Logic and IBM Web sphere and Samba Server in UNIX, Linux and Windows

environment.

• Installation and configuration of Veritas Volume Manager, Veritas File System.

• Extensive use of volume management tool using Logical Volume Manager to create disk

groups.

• Installation, Configuration and Administration of High Availability using Redhat cluster

and Veritas Cluster Servers for failover and redundancy purpose.

• Implemented in Red Hat Cluster Suite and Global File system, Red Hat Network Satellite

Server.

• Checking the status and property info.

• Formation of hardware components during regular maintenance using hp online diagnostic utilities SFM

(system fault management), STM (support tool manager).

• 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.

• Performed automated installations of Operating System using Jumpstart for Solaris and

kick start for Linux.

• Worked on Disaster Recovery site configuration in testing.

• Experience in Load Balance workload evenly across two or more servers, network links,

CPUs, hard drives, or other resources, in order to get optimal resource utilization,

maximize throughput, minimize response time, and avoid overload.

• Configured new service group and resources for new application in Veritas Cluster

Servers.

• Worked on server consolidation and migration from one data center to another data centers.

• Extensively worked in data and database migration from older machine to latest

configurations.

• Configured IPMP, NIC Bonding and Storage Multipathing

• Troubleshooting various problems, logging call with vendors.

• Monitor performance and resource utilization of key systems and provide ongoing trend

analysis for forecasting future resource requirements.

• Installed and configured VMware ESXi server created VMs and deployed Linux and

Windows OS on VMware based VMs.

• Worked on TRACE Action Request system for ticketing and tracking asset records.

• Involved in disaster recovery testing every quarter.

• Supported 24/7 High availability production servers.

• Participation in change control activities, involved in memory sizing of different

applications.

• Complete periodic checks of production and development systems, CPU utilization,

memory profiles, disk utilization, network connectivity, system log files, etc.

• Verify successful completion of daily incremental and database backups, following

developed procedures.

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Environment: Solaris 8,9,10, RHEL 4, 5, 6 Windows 2003, 2008, Sun Enterprise 4500/4540/6500/450/420R/250

server, Sun fire 6800/4800/480, E10k/25K. Tseries, Mseries, HP Itanium, HP PA -RISC boxes Rp8200, IBM series

670, p5 595, series, HP Blade Server C7000, BL660, BL460, Dell Blades M1000e

Automated Data Processing (ADP), MI April’ 11 – Oct’ 12

Linux/UNIX Systems Administrator

Responsibilities

• Installation, maintenance, administration and troubleshooting of Sun Solaris, AIX, HP-

UX, Linux.

• Performed automated installations of Operating System using Jumpstart for Solaris and

kick start for Linux.

• As a Solaris administrator primary responsibility includes building of new servers which

includes rack mounting, installation of OS, configuring of various OS-native and third

party tools, securing of OS, installing and configuring, job scheduling.

• Involved in server sizing and identifying, recommending optimal server hardware based on

User requirements.

• Installation and configuration of Veritas Volume Manager, Veritas File System and Veritas

Cluster Server.

• Building, installing and configuring Veritas cluster Server, Redhat Cluster and HP MC

Service Guard.

• Installed the Operating System on Solaris and Linux servers and blades severs over the

network.

• Built servers according to standards specified as per individual applications.

• Built virtualized Linux servers on ESX and blade servers to host multiple applications on

same chassis across different server hosts.

• Set up Linux servers for iSCSI LUN boot instead of using local hard disk.

• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation.

• Set up Linux servers for LAMP implementations and readiness.

• Created file systems from local storage as well as NFS partitions for application portability.

• Architected Sun servers into different domains based on application demands.

• Applied patches and packages on Linux servers using RPM Red Hat Package Manager

and YUM tools.

• Ensured automatic startup of different services by using chkconfig.

• Configured Opsware on the servers for event tracking.

• Implemented virtual, integrated, management and proxy IPs on the machines to serve

different purposes.

• Experience making Kernel changes to improve system data throughput.

• Installed and configured Apache, MySQL and PHP products on the Linux servers.

• Installation & configuration of HP-UX Servers through ignite server, patch depot

management for ignite server.

• Installation and configuration of Veritas Volume Manager/File System, LVM and SVM.

• Configured various services, devices as well as applications of UNIX servers and worked

with application team to customize the environment.

• Involved in server migration project and migrated to VMware based virtual machines.

• Creation and scheduling of Cron Jobs, System Monitoring and removal of unnecessary

files.

• Updated & Running the various source codes for migration & updating follow-up the

release management.

• Configured NIS Master and Slave servers and NIS clients.

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Environment: RHEL4,5,6, Solaris 8,9,10, HP-UX 11.x, AIX 5.2, Windows 2000,2003, Sun Enterprise E3500

450/420R/250,M4K,M5K,M9K, T2K,T5K servers, HP Proliant-DL 360 G7, DL 380 G6,DL 380 G7,DL 580, IBM

RS/6000, IBM Power 570, p5 505 Express servers

Ericsson Global India (Pvt) Ltd, Noida, India Apr’07 – Mar’11

System Administrator

Responsibilities

• Installation, configuration and upgrade of Solaris, AIX, HP-UX, Linux (Red hat and SuSE), Windows

operating system.

• Installation, configuration and troubleshooting of VXVM under sun Solaris 8, HP-UX.

• Managed HPC cluster, performed hardware, BIOS and application upgrade.

• Configured and managed Apache web server and Managed software and hardware RAID systems.

• Managed user accounts and authentication process by NIS service.

• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH, SSL.

• Setup and maintained DNS primary, secondary, cache-only servers, DHCP servers and DNS clients.

• Worked on incidents problem and change tickets related to AIX/Unix/Linux server.

• Managing (adding/removing) disks partitions.

• Worked on multiple accounts with Ticket assessment on daily basis.

• Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in

highly available, load balanced production environments.

• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal on

AIX, UNIX and Windows.

• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and

insure overall system and network security.

• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.

• Department Security Focal (Managing all the security related issues like Apars, Cirats, Health).

• Worked on security activities (QEV, Health Checks, Priv ID revalidation & PAR) as per ITCS104.

• Worked on Server commission and Decommission.

• Monitoring the System Performance and tuning the kernel to enhance system performance.

• Worked on backup issues and resolving as required.

• Job Scheduling and Automating process using CRON & AT.

• Worked on Citrix environment user management.

• Administration of Tivoli Storage manager 5.1.4 client.

• Performing User ID creation, modification, deletion and maintain server security.

• Monitoring system logs and the root's email for important messages such as errors and warnings or

hardware fail errors.

• Worked on tickets troubleshoot, administer and performance tune AIX 5.1, Solaris 6, 7 and 8, Red Hat

Linux 3.

• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points

for Server directories, and mounted these directories on AIX Servers.

• Configured and administered LPARs. Installation of patches and other software packages.

• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.

• Configured various services, devices as well as applications of UNIX servers and worked with application

team to customize the environment.

• Environment: Solaris 8,9,10, RHEL 3,4,5,AIX 5.2,5.3 HP-UX 11.x and Windows

2000/2003, Sun Enterprise Servers 6800, 4800, v480, E5500/E4500 and E3500,Veritas

File System 3.0, ORACLE

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