PROFESSIONAL SUMMARY:

• Over 9+ years of experience in IT industry with specialization in Linux 7.0, 6.0 & 5.11.
• As a Linux System Administrator experienced in networking, design, implementation and troubleshooting of TCP/IP based networks running on Linux and Solaris.
• Red hat Certified System Administrator RHCSA version RHEL 7.0
• Red hat Certified Engineer RHCE version RHEL 7.0
• Assist with implementation of system patches and updates managing upgrades effectively and to user requirements and Deployed and configured Linux VM’s
• Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of Linux (Red Hat).
• Experienced inPuppet &Open Stack RHEL 7.0
• Worked extensively on Web Servers, LDAP, MySQL, DHCP, DNS, FTP, SAMBA, NFS, NIS,
• Experienced in Redcap Application
• Installation and Support Redcap Software on RHEL 7.0 using LAMP Server
• Configured Recap Software using AWS EC2 instance
• Highly experienced with Storage Administration like EMC SAN Administration & VERITAS Netback up
• Supporting Applications Web logic & Apache tomcat
• Working with Shell Scripting in Linux environment
• Oracle Systems setup using VMWare and Working with BMC Remedy ticketing tool
• Attending (External SOX Audit) and performing internal audits and Remediation for Linux servers through vulnerability scan and security patches
• Experienced in VMWare Sphere client with different versions
• Experienced in hardware x86, IBM X Series, Dell IDRAC, HP Gen 6, 7, and 8.
• Patch management through Red hat satellite server& Supporting Citrix Server’s
• Troubleshooting and support on Solaris, Red hat Performance tuning and system activity (disk failure, performance, escalation, troubleshoot).
• Services, RDP, Remote Admin, VCenter& VM consol.
• Experienced in using Kick Start file to initiate installation of Red Hat Linux server build
• Preparing FMEA (Failure Mode Effect Analysis) documents for Linux Operating System with different Hardware (HP, DELL). End to End new project coordination and implementation. Creating performance report
• Setup Hadoop 4 node cluster with help of name node, data node, job tracker and task tracker
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL 2000 Server on Linux and UNIX

TECHNICAL SKILLS:

Linux Operating System: - RHEL 7.0, 6.x,5.x, Cent OS, XOS& Free BSD

Unix Operating System: - Solaris 8.0, 9.0 & AIX 5.3

VMware Virtualization: - VDI, VMware VCenter, VSphere Client & KVM

Cloud Infrastructure: - AWS, Open Stack& Virtualization

Automation Tools: - Puppet, Splunk & Nagios

Backup Configuration: - Veritas Net Backup, Common Vault

Database: - MySQL DB, SQL& Maria DB

Web Servers: - HTTP, HTTPS, Apache Tomcat and IBM Web Sphere, WSGI Servers

Centralized Servers: - Red Hat Satellite Server,LDAP, DNS, LVM, DHCP, SAMBA &LAMP Server

Console Management: - HP DL 380/580/680 ILO, Dell ILOM, IBM IMMUnix Shell scripting: - Server Backup scripts, Server health checks, Cron job s

Special Permission: - ACLs, Server Hardening, Multipathing, Raid Levels

Storage Migration: - Migrating disks, Native Multipathing,Oracle ASM Disks

PROFESSIONAL EXPERIENCE:

Confidential, Worcester, MA

Sr. Linux Admin

Responsibilities:

• Build and manage Linux/VMware servers with VCenter server and network Installation
• Installation Recap Software on AWS EC2 instance
• RDSDatabase & S3 storage allocation in AWS
• Managing Puppet Server
• Install and configured all the Linux servers in the network per specifications of clients
• OS migrations, patching, Vulnerabilities scanning and fixing, performance tuning and capacity planning of servers
• Updating patches on clients using Puppet Master server
• F5 Load balancing configuration
• MySQL Database Replication on Redcap DB server
• Migrating RHEL OS from 5.4 to 7.0
• Migration on Redcap Software 5.7.2 to 6.15, 7.0.0
• Migrating Servers from Physical to Virtual using VM Converter
• Performing server health check & Backup using shell scripting
• Experienced in Storage migration MySQL Database from 5.1 to 5.6
• Installation MySQL, PHPMyAdmin, PHP & Apache 2.4 on RHEL 7.0
• Experienced in LDAP and Client Servers
• Redcap Table based & LDAP authentication setup
• Resolved network related Redcap issues

Confidential, Boston

Sr. Linux Admin

Responsibilities:

• Build and manage Linux/VMware servers with Red Hat Satellite server and network Installation
• Install and configured all the Linux servers in the network per specifications of clients
• OS migrations, patching, Vulnerabities scanning and fixing, performance tuning and capacity planning of servers
• Migrating Servers from Physical to Virtual using VM Converter
• Performing server health check & Backup using shell scripting
• Configure Puppet Master and Puppet Agents on RHEL7 servers
• Managing Servers in Veritas cluster
• Experienced in Storage migration IBM & EMC
• Experienced in Chef automation tool
• Experienced in LDAP and Client Servers
• Maintained critical servers and database with day to day issues with P1/P2.
• Managing Applications through web logic and Apache tomcat
• Provided 24/7 on call support with coordination of offshore team.
• Perform Servers Health check using shell scripting.
• Done in place upgrades of Red hat servers from 5.10 to 6.5.
• Install Red Hat Virtual machines servers through Kick start script.
• Working with Production, Service Delivery, and Support Infrastructure and Ticketing environments on 24x7 Basis with ITIL V3 foundation process
• Managing VCenter and VSphere Client 5.1 & Configured VM’s using Clone and VM Template
• Managing ESX/ESXI 5.0 Servers and
• Configured HP physical servers DL380/580/G7 with Multipathing and installed Red hat.
• Incident, Change and Problem tickets. Support for HP-UNIX servers.

Confidential

UNIX Admin, L2 and L3 Support admin

Responsibilities:

• Install Red hat servers through using Management console
• Maintained critical OS level issues with day to day including P1/P2.
• Supported multiple applications with metro HA setup with zero down time.
• Provided 24/7 on call support with coordination of offshore team.
• Supporting Applications Web Logic servers
• Running backup scripts using shell scripting
• Setup AIX Servers through IBM Management Console
• Increasing LPARS volume space through VIO Server
• Upgrades of Red hat servers from 5.10 to 6.5, patching and Vulnerabities fixing
• Creating KVM Servers using virtualization
• Managing VCenter and VSphere client
• Setup LAMP Server on Red Hat Enterprise
• Configured LDAP and Client Servers.
• Server Hardening before going to Live
• Migrating Servers from P2V
• File System management Ext3, Ext4, ZFS, Vxfs, & LVM
• Built file systems / Rdms for database servers with red hat OS.
• Managing HPQC tool to perform software testing &Cycle management
• Complete Responsibility for Server availability and Team.
• Incident, Change and Problem tickets.

Confidential

Linux Administrator

Responsibilities:

• Install Red hat servers through using Management console
• Maintained critical OS level issues with day to day including P1/P2.
• Supported multiple applications with metro HA setup with zero down time.
• Provided 24/7 on call support with coordination of offshore team.
• Setup AIX Servers through IBM Management Console
• Increasing LPARS volume space through VIO Server
• Supporting Veritas Cluster on Solaris boxes
• Patching and Upgrades Red hat servers from 5.10 to 6.5
• Creating KVM Servers using virtualization
• Setup LAMP Server on Red Hat Enterprise and Oracle VM’s
• Managing LDAP Client Servers.
• Server Hardening before going to Live
• Vulnerabities scanning and patching, Migrating Servers from P2V
• File System management Ext3, Ext4, ZFS, Vxfs, & LVM
• Complete Responsibility for Server availability and Team.
• Incident, Change and Problem tickets.

Confidential

Linux Administrator

Responsibilities:

• Installed and configured Suse/Red Hat Linux on Rack Servers and Vulnerabities scanning
• System administration and support for a heterogeneous network which consisted of IBM AIX Servers, IBM RS/6000s and Linux boxes connected via NFS and TCP/IP.
• Nagios design, configuration and implementation
• Responsible for setting up permissions and implementing security policy.
• Installed and configured DNS and Configuring NFS, NIS, NIS & ONOS.
• Managing HP Open View tool to perform server capacity testing
• Using Veritas Net Backup tool, running job’s daily, weekly, Monthly and yearly and taking backups in LTO Tapes
• Network Administration - involving day-to-day routine checks, Configuration of LAN adapters, Routing, NFS, DNS and Troubleshooting.
• Implemented Cron tabs, shell Scripts for automatic jobs.
• Managing Citrix Servers and Supporting application
• Managing VMWare VDI Installation, configuration and VCenter and VSphere client.
• Migrated applications from Windows 2000 Server to Linux server.

Confidential

Linux Administrator

Responsibilities:

• Installation and maintenance of HP Blade Servers BL20p & DL 380 G4 and G5IBM RS/6000s and Linux boxes connected via NFS and TCP/IP.
• Responsible for creating users, managing user permissions, maintaining User and File System quota and Vulnerabities.
• Responsible for setting up permissions and implementing security policy.
• Installation Linux different flavors OS through Kick start Server
• DELL power Edge 2950 Servers
• Taking Daily, Weekly and Monthly Server data and Filer backups using Veritas Net Backup
• Creating & managing virtual machines in VMware
• Configuring and customizing various devices and parameters in Nagios Monitoring tool
• Monitoring Servers through Nagios tool

Confidential

Technical Support Executive

Responsibilities:

• Facing customer and guiding them to installed and configured Red Hat Linux machines
• Installs new software releases, system upgrades and installs patches
• Configuration of NFS, Nagios & Web Servers
• Troubleshooting and support on RHEL
• Incident, Change and Problem tickets