PABBAMANIDEEP

System/Production Administrator

ac8n7g@r.postjobfree.com 847-***-****

TECHINCAL SUMMARY

* ***** ** ****** ********** in Unix, Linux, VMware and Windows Administration with expertise in the installation,support, configuration and maintenance of Linux (Redhat/SuSE/CentOS/Ubuntu), Unix (Solaris/HP-UX, AIX), Open VMS andWindows 2013/2008 under heterogeneous environments.

Strong in troubleshooting, monitoring, training and 24/7 production support experience in mission critical environments. Worked with systems support team to define, architect and maintain highly available production systems

Professional Experience Specialized in Systems Administration working on UNIX/LINUX,VMware & Windows environment.

Well experienced in Installation, administration, patches, up-gradation, configuration, security issues, performance tuning and troubleshooting of RedHat Linux 4/5/6/7, Sun Solaris 8/9/10 IBM AIX 4.3, 5L, SuSe EL 7/8/9/10 and Window NT 4.0/2000/2003.

Experience in Kickstart, Jumpstart, and Ignite Installation Methods.

Troubleshoot with Tcpdump, Netstat and Telnet.

Administration of Vmware-vCloud Director- installation, design, and configuration experience.

Have strong skills in installing, administering, maintaining and troubleshooting NTP, NFS, DNS, DHCP, NIS, LDAP, Mail Server and Samba Server in heterogeneous environment.

Expertise to handle tasks in RedHat Linux includes upgrading RPMS using YUM, kernel, HBA driver; configure SAN Disks, Multipathing and LVM file system.

Performed Scripting for automation, Expertise in utility and monitoring using Shell scripts.

Experience in Managing User accounts, Swap memory, security, disk space, and process monitoring in Solaris and Redhat Linux.

Experience of using VMware Consolidated backup and Data Recovery appliances in backing up and restoring VM's.

Experience with automation tools like Crontab & Autosys.

Installed software, patching, upgrading and maintenance of operating system.

Experience in management, troubleshooting and Administration of VMware, and ESX Servers (ESX 3.5 to ESX 5.5) Servers and done patching.

Experience with application monitoring tools - AppDynamics, Nagios

Knowledge of advanced level programming in C/C++ including thread synchronization multithreading, multi-processing, concurrency and TCP/IP Socket Programming.

Experience working with SAN storage arrays such as EMC Clariion VNX, and EMC Symmetrix.

Experience in configuration of naming services like NIS, DNS etc. on Linux and Solaris

Troubleshooting and monitoring performance issues in Clariion & Symmetrix storage systems.

Experience in administrating, maintaining and troubleshooting EMC SAN FC storage.

Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.

Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and Sun ONE.

Good presentation, customer support and trouble shooting skills & experience in providing 24x7 supports.

Self-driven and Self-motivated to learn new things.

Excellent interpersonal skills, independent problem-solving skills, the ability to work effectively in critical situations and hard working

EDUCATION

Bachelor of Technology in Computer Science, JNTU, India, 2014.

Master of Science in Computer Science, NPU, USA,2016.

TECHNICAL SKILLS

Operating Systems:

Linux - Red hat 4,5,6,7, Solaris 8/9/10, Fedora, VMware vSphere 5.0,5.1,SUSE 10, Ubuntu, CentOS

Unix - Sun Solaris 7, 8, 9

Windows - windows 2003/2008/2012/2014Ent Windows 95/98

Hardware:

SunT2000,T5240,T5120,V880/890,E6500,E4500/E3500,E450/420/250,E220,

Netra1405/X1,T1000/2000,T5120/5220, M4000, B6000,VMAX 20K,San FC,

EMC Symmetrix,VMAX, Clariion, VNX

HP ProLiant, IBM x236 IBM x232, IBM 3650, IBM HS22, HS12, LS22 Blade Center,

Tools:

Nagios,AppDynamics, Apache HTTP/Tomcat, VERITAS Volume Manager, puppet VERITAS Net backup5.

Languages:

Scripting Shell, Bash, SQL, HTML

RDBMS:

Oracle, Sql Server, DB2, MySQL, Sybase, Cassandra, Mongo, Postgres

Network Protocols:

TCP/IP, NIS, NFS, DNS, DHCP, LAN, FTP/TFTP, SSH, SFTP, SNTP, SMTP, ARP,

RARP, PPP, POP3 and Firewalls

PROJECTS & RESPONSIBILITES

Client: Capgemini America, Inc.,Utah Mar'17 – Jan'19

Role: Infrastructure Analyst

Responsibilities:

Installed, Configured and Maintained Solaris/RedHat Linux (Solaris 8, 9 & 10, OEL 5/6, RedHat Enterprise Linux 4.x, 5.x & 6.0) on SPARC, x86 and Blade Centers.

Supported Redhat& Solaris servers in Production and Development environments.

Performed patching, backups on multiple environments of Solaris, Linux and VMware.

Installed and Configured RedHat Linux Kick start and booting from SAN.

Worked on Virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and worked with ESX Cluster and vMotion. Experienced in virtualization technologies.

Used VMware vCenter, created IBM Leadership Data Center LDC Environment by creating VMware clusters, adding Windows and ESXi hosts.

Resolved issues by researching documentation; troubleshooting hardware, software, guiding client through corrective steps; escalating problems to third level; tracked status of problems and solutions.

Implemetation of VMware ThinApp and App-V packages

Responsible for host down, DB down, Hardware maintenance for server.

Log file was managed for troubleshooting and probable errors.

Worked on different remote consoles like HP-ILO, Dell-IDRAC.

Complete device installations, maintenance and perform regular upgrades and patch work on F5 load balancer devices.

Configured Zones on the Solaris 10 servers created Resource pools and Fair Share Scheduler for Containers and created Virtual Machines on VMware ESX 3.5.

Created and Maintained Whole Root and Sparse Root Zones/Containers

Worked with SMTP and SENDMAIL Protocols.

Actively working on SSL (Secure Socket Layer) certificate installation for external applications.

Involved in working with Shell and Python Scripting for automation of jobs and debugging scripts

Monitor and Manage various database components (Logical/physical) such as table space, Segments and data files.

Monitor and resolve user/roles related issue, DB log space issues as well as lock related issues.

Troubleshoot & resolve schedule maintenance jobs.

Collaborate with Application teams in finding a solution for database connectivity issues.

Provide production support and administration for Microsoft Windows Server, Hyper-V environment and build the server infrastructure globally.

Manage user accounts using Active Directory 2003/2008/2012 to create new domain accounts.

Perform root cause analysis on system failures and incidents and provide remediation solutions.

Manage incidents for various production issues.

Experience in Preboot Execution Environment (PXE) and Fully Automated Installation (FAI).

Troubleshooting hardware, software and configuration problems for various protocols and topologies.

Provide resolution for the backup of hundreds of servers using multiple backup utilities in EMC Networker Environment, the tape libraries, drives and media, and SAN infrastructure environments.

In-depth troubleshooting of backup and restore failures on both Windows and Linux servers with varied configurations, such as MySQL clusters, Exchange, and Oracle applications.

Repaired failures between the centralized backup system and the backup client servers.

Engaged with various vendors such as Emc, Netapp & Hitachi to remediate production issue.

Retrieving client data in an event of audit or data corruption.

Maintained and contributed to Puppet infrastructure and configuration assets.

Developed custom automation build system using Jenkins Continuous Integration and Git repository.

Involved in administration and maintenance of ISA server, Exchange Server, Active Directory Service, DHCP, DNS, FTP, Web server in Windows environment.

Experienced with NIS, NFS, SSH, SFTP & DNS in client and/or server configuration.

Installed and configured openLDAP to create user accounts and to assign access permissions to the users.

Installation of Solaris 9, 10 using Jumpstart, Redhat EL 4.x, 5 using Kickstart/PXE and SuSe Professional desktop 10x.

Troubleshoot the automation of installing and configuring applications in the test environments.

Creating volumes using storage for VMAX Array on Redhat & Solaris servers.

Data migration at Host level using Redhat LVM,ZFS, VERITAS Volume Manager and Solaris LVM

Migrated different applications like SAP & Databases like Oracle from HPUX to Linux.

Administered Volume groups and volumes using HPUX and Linux volume manager.

Involved in Designing and Implementing host level migrations and replacing virtualization using P2P and P2V

Administration of WebSphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux.

Mirroring of root disks using Hardware Raid Controller on HP & Dell HW.

Experience working with HP and IBM Blade centers to consolidate data centers.

Client: R J Reynolds,North Carolina Sep15 – Jan 17

Role: System/Production Administrator

Responsibilities:

Worked Primarily on RHEL 4/5, HPUX 11i and Solaris 8, 9 & 10 Operating Systems.

Involved in migration activities using Redhat LVM, Solaris LVM, Veritas and EMC Open Migrator.

Installation of OAS (Oracle Application Server) on Solaris 9 and its configuration with oracle database.

Migrated ORACLE RAC servers using system EMC Open migrator and effectively worked with the database team to bring up/down the databases.

Experienced with UNIX Virtualization, Server High Availability.

Manage user’s accounts for the team access for Redhat Satellite Server.

Build channels and pull the packages from master Redhat Satellite Server

File system tuning, growing, and shrinking with Veritas File system 3.5/4. x.

Troubleshooting hardware, software and configuration problems for various protocols and topologies.

Configured open LDAP Redhat Linux systems.

Manage users and groups in Windows and Linux systems.

Tuning the kernel parameters based on the application/database requirement

Used Veritas File system (VxFS) and Veritas Volume Manager (VxVM) to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.

Other administration tasks handled are: Tuning the Operating System for optimum performance, debugging system defects and crash dump analysis, Planning and Executing System and Network Upgrades

Worked on making DNS entries to establish connection from server to DB2 database.

Backup jobs, housekeeping, database, proprietary jobs using CRON, EMC legato Networker and BMC Control-M troubleshooting daily job problems

Setup 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 and POP3) and file servers.

Created new slices, mounted new file systems and unmounted file systems, and experienced with Fuse.

Upgraded Solaris 9 to Solaris 10 and worked with Solaris zones/containers/LDOMS, Used Solaris Cluster to deploy two-node cluster and used HPUX Cluster.

Performed patching, backups on multiple environments of Solaris, Linux and VMware.

Worked with Active directory databases with LDAP

Assisted other UNIX administrators when help was needed (i.e. creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc).

Involved in preparation of functional and system specifications. Estimated storage requirements for applications.

Environment: Redhat Linux (RHEL4/ 5/6), Solaris 9/10, Logical Volume Manager, Sun & Veritas Cluster Server, Global File System, Redhat Cluster Servers.

Client: Quicken loan,Detroit Oct '13 – Dec '14

Role: Unix/Linux Admin

Responsibilities:

Installation of Sun E250, E450, Sun E3000, E6900, Sun Fire v440/v480/v490 with Solaris 8/9.

Upgraded/Migrated Solaris 7 to Solaris 8 on Sun servers and workstations.

Used RPMs to install, update, verify, query and erase packages from Linux Servers

Authorized Solaris users/groups to access various applications and troubleshot various user problems using management tools.

Incident management for Unix Servers (Solaris, Linux and AIX).

Involved in migration of projects from one flavor to another one.

Worked on SAN using Tivoli Storage Manager in allocating filesystems to the end users •and for managing storage

Primary responsibility includes building and supporting Solaris/ Redhat Linux 3, 4 servers.

Supported in installing, integrating, tuning, and troubleshooting Apache, Tomcat WebSphere and WebLogic application server.

Installation and configuration Veritas Net Backup on Sun Severs and performing Backup using Veritas Net Backup.

Involved in development, user acceptance, and performance testing, production & disaster recovery server.

Worked in Data center environment for racking servers and configuring new Hardware.

Worked with other IT teams, customers (users), and other managers in helping build and implement systems and standards.

Worked in Data center environment for racking servers and configuring new Hardware

Environment: IBM AIX 4.3.3, 5.1, 5.2, Solaris 8/9/10, Redhat Linux 4/5, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite.

Client: Aspire ITECHSolutions, India Jul’ 10 – Oct '13

Role: Systems Administrator

Responsibilities:

Installation, Configuration, Upgradation and administration of Sun Solaris, RedHat Linux and HP-UX.

User account management, managing passwords setting up quotas and support.

Worked on Linux Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SFTP, SSH, LDAP integration.

Troubleshooted LDAP server if there is any login issues for the users.

Used LDAP to set Permissions, as an administrator to allow only certain people to access the LDAP database

Experience in deploying and upgrading software packages.

Log file was managed for troubleshooting and probable errors.

Responsible for reviewing all open tickets, resolve and close any existing tickets.

Controlled the access to users by adding or removing the user from the groups as per the requirements by using LDAP.

Responsible for configuring real time backup of web servers.

Environment: Dell Hardware, RHEL 3.x, SUSE Linux,Sun Solaris 2.6 and 2.7, Sun E450, E250, Sparc stations 20, Switches, Hubs, DAT & DLT Tape Drivers, Apache, IIS 4.0 and Oracle 8i.

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