PROFESSIONAL SUMMARY:

• Over 10+ years of experience in IT industry with specialization in RHEL 7.x, 6.x & 5.x
• As a Sr.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, SUSE & Cent OS)
• Experienced in AWS EC2, S3, IAM, AMIs, EBS, RDS & ELB
• Worked extensively on Apache Web Servers, LVM, LDAP, MySQL, DHCP, DNS, FTP & NFS
• Managing Puppet Master and Clients on RHEL 6.x and 7.x
• Managing Confidential GPFS clusters on SUSE 11 & 12
• Installation of Xen and KVM hypervisor on RHEL 6 and 7
• Installation and Support Redcap Software on RHEL 7.0 using LAMP Server
• Testing AIG financial critical applications using AWS EC2 instance
• Highly experienced with Storage Administration like EMC SAN Administration & VERITAS NB
• Supporting Applications Web logic & Apache tomcat on RHEL
• 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, Confidential X Series, Dell IDRAC, Confidential Gen 6, 7, and 8.
• Patch management through Red hat satellite server& Blade Logic
• 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 ( Confidential, 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
• Experienced in ITIL frame & Ticketing tool using Confidential Remedy & Service now

TECHNICAL SKILLS:

Linux Operating System: RHEL 7.0, 6.x,5.x, Cent OS, SUSE11 SP4& Free BSD

Unix Operating System: Solaris 8.0, 9.0 & AIX 5.3

VMware Virtualization: VDI, VMware VCenter, VSphere Client, Xen and KVM hypervisor

Cloud Infrastructure: AWS& Virtualization

Automation Tools: Puppet, Chef& Nagios

Backup Configuration: Veritas Net Backup, Commvault

Database: MySQL DB, SQL& Maria DB, DynomoDB, PostgreSQL

Web Servers: HTTP, HTTPS, Apache Tomcat and Confidential Web Sphere, WSGI Servers

Centralized Servers: Red Hat Satellite Server 6& Blade Logic 8.6 & 8.9

Console Management: Confidential DL 380/580/680 ILO, Dell ILOM, Confidential IMM& Confidential RUMBA

Unix 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

Industry Experience: Banking, Financial, Telecommunication, Health Care, Insurance

PROFESSIONAL EXPERIENCE:

Confidential, Livingston, NJ

Sr. Linux Admin

Responsibilities:

• Working on the deployment of OS installation & migration in Live Data Center
• Collaborating with business users to contribute to the IT Infrastructure requirements
• Developing scripts to automate the workflow of various processes using Blade Logic, Puppet, Red hat Satellite and shell scripting
• Build and manage SUSE, RHEL servers in Live DC using Confidential & Confidential Management console
• Building new Servers & Applications on AWS Cloud
• Managing S3 Bucket, Creating IAM roles, ELB and Security groups
• Creating EC2, S3 buckets & enabling Cloud Watch, Cloud trail
• Updating patches using Red hat Satellite 6& Blade logic tools
• Migrating Servers from SUSE 11 to RHEL 6 & 7
• Managing Puppet Master & Clients on RHEL 7.x
• Vulnerabilities scanning and fixing using Red hat Satellite for RHEL &Blade Logic Compliance remediation script for SUSE 11 & 12 SP4
• Managing Xen and KVM hypervisor on RHEL 6
• Install and configured all the Linux servers in the network per specifications of clients
• Maintained critical servers and database with day to day issues with P1/P2.
• Resolving INCs within the scope of SLA using Service Now ticketing tool
• Creating Tech plans for critical IT infrastructure changes
• To work closely with the business users to address issues if any, during the release
• Managing & installing Confidential GPFS Clusters on SUSE 11 & 12
• Configuring LAMP Server Linux Apache MySQL and PHP
• Incident, Change and Problem tickets
• Trained in AWS solutions Architecture

Confidential, Worcester, MA

Sr. Linux Admin

Responsibilities:

• Working on the deployment of OS migrations, Redcap Softwaremigration
• Coordinate with application stake holders to understand the Business outage plans
• Supporting the end to end application support of the business for incidents and enhancements.
• Build and manage Linux/VMware servers with VCenter server and network Installation
• Installation Redcap Software on AWS EC2 instance
• Configure Puppet on Linux RHEL 7 Servers
• Updating patches using Puppet automation tools
• Experienced in CISCO Switches & Routers
• 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
• MySQL Database Replication on RHEL 7.2 DB server
• Migrating RHEL OS from 5.4 to 7.0
• 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 with AD

Confidential

Sr. Linux Admin

Responsibilities:

• Working on the deployment of OS migrations, patching and capacity planning of servers
• Coordinate with application stake holders to understand the Business outage plans and create Tech plans (TP) for the Change requests.
• Install and configured all the Linux servers in the network per specifications of clients
• 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 Confidential & EMC
• Experienced in Chef automation tool
• Managing VCenter and VSphere Client 5.1 & Configured VM’s using Clone and VM Template
• Managing Applications through web logic and Apache tomcat
• Perform Servers Health check using shell scripting.
• Install Red Hat Virtual machines servers through Kick start script.

Confidential, Pittsburg, PA

Sr. System Engineer

Responsibilities:

• UNIX Admin, L2 and L3 Support admin in a Project. Supporting more than 1000+ server
• 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 Confidential 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
• Server Hardening before going to Live
• File System management Ext3, Ext4, ZFS, V xfs, & LVM
• Built file systems / Rdms for database servers with red hat OS.
• Managing HPQC tool to perform software testing &Cycle management
• Incident, Change and Problem tickets.

Confidential

Linux Admin

Responsibilities:

• ­­­Linux Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives
• 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 Confidential 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
• Setup LAMP Server on Red Hat Enterprise and Oracle VM’s
• Server Hardening before going to Live
• Vulnerabities scanning and patching, Migrating Servers from P2V
• File System management Ext3, Ext4, ZFS, Vxfs, & LVM

Confidential

Linux Admin

Responsibilities:

• ­­­Linux Administrator in IT infrastructure environment Live Data Center providing server administration, application administration
• Installed and configured SUSE/Red Hat Linux on Rack Servers and Vulnerabities scanning
• System administration and support for a heterogeneous network which consisted of Confidential AIX Servers, Confidential 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 Confidential 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 VMWare VDI Installation, configuration and VCenter and VSphere client.
• Migrated applications from Windows 2000 Server to Linux serve

Confidential

System Admin in infrastructure support

Responsibilities:

• ­­­Linux Administrator in IT infrastructure environment providing server administration, application administration
• Installation and maintenance of Confidential 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:

• ­­­Linux Administrator in IT infrastructure environment providing server administration, application administration
• 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