SUMMARY

• 8+years of experience in IT field as System Administration, specialization in Installation, Configuration and Administration of Red Hat Enterprise Linux 4.x/5.x/6.x, Sun Solaris 9/10/11, CentOS 5/6, Windows NT 2000, 2003 and AIX 6.1
• Expertise working in a dynamic environment: Installing, Upgrading, Patching, Configuring and Performance Tuning on UNIX system software and hardware.
• Highly skilled in automating Operating System installation and setup utilizing Jumpstart Servers for provisioning of Solaris 9/10 servers and Kickstart servers for provisioning of RHEL 4.x/5.x/6.x.
• Proficient in installation and configuration of various Packages and Patches in Linux utilizing Red Hat Satellite Server.
• Experienced in creating and managing different kinds of file systems like Ext 3, Ext 4, ZFS, VxFS and UFS.
• Firm grasp of managing various filesystem using Logical Volume Manager (LVM), Veritas Volume Manager (VxVM), Veritas File System (VFS) and Solaris Volume Manager (SVM).
• Experienced in managing and configuring Zones and Containers in Solaris 9/10 environment.
• Efficient wif User Administration, Management, Disk Space and Process Monitoring in a dynamic work environment.
• Extensively used Veritas Cluster Server 4.x/5.x for High Availability Environment.
• Working noledge in installing, configuring, implementing and managing RAID 0, RAID 1 and RAID 5 technologies.
• Hands on experience of installation, configuration and administration of virtual machines on VMware ESX/ESXi 4.x/5.x servers.
• Proficient in various storage technologies such as Storage Area Network (SAN) and Network Attached Storage (NAS)
• Efficient on working wif system performance and monitoring tools like Nagios, BMC, Tivoli, Cacti.
• Expertise in configuring network devices like Routers, Switches, Hubs, Terminal servers and troubleshooting LAN and WAN Related Problems.
• Working noledge of network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS, DHCP, Samba and TCP/IP.
• Hands on experience in IP multipathing and NIC Bonding in Linux servers.
• Expertise in system performance configuration and monitoring tools like Nagios and BMC.
• Working noledge of designing and implementing backup procedures using Veritas NetBackup and performing Disaster Recovery planning.
• Proficient in Automation of various day to day administration task by developing Shell Ksh, Csh, Bash, Ruby, Perl and Python Scripts.
• Hands - on experience wif configuration and automation tools such as Puppet and Chef.
• Experienced in installation and configuration of Apache Webserver, WebLogic, Tomcat and JBOSS.
• Firm grasp of Jenkins/Maven deployment and build management system.
• Proficient in Amazon AWS components such as EC2 instances setup, Elastic LB and Elastic Storage.
• Expertise in utilizing GIT and Subversion as Version Control System.
• Working noledge of CFengine.
• Good understanding of Ansible, for configuring and managing computers, combining multi-node software deployment, ad hoc task execution, and configuration management.
• Good understanding of Salt Stack, OpenStack and Docker platform
• Familiarity wif NoSQL technologies, MongoDB, Redis
• Excellent analytical, problem solving communication and interpersonal skills.
• Quick learning capability, delivering solutions as an individual and a good team player.
• Having a zeal for automation, out of the box thinking competence.
• Good understanding and exposure to Software Development Life Cycle.

PROFESSIONAL EXPERIENCE

Confidential, Reston,VA

DevOps Administrator

Responsibilities:

• Working for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.
• Worked wif Nagios x1 installation and configuration.
• Worked wif Nagios dashboard to monitor servers and monitor applications,
• Actively involved in architecture of DevOps platform and cloud solutions.
• Build Automation and Build Pipe Development using Jenkins and Maven
• Integration of Automated Build wif Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production).
• Implemented Vagrant, a production like virtual development environment for developers.
• Implemented scheduled downtime for non-prod servers for optimizing AWS pricing.
• Created proper documentation for new server setups and existing servers.
• Maintaining a farm of EC2 instances, ELB’s and RDS.
• Worked on openstack Deployement .
• Worked on opensource and experience of working wif RDBMS (MySQL), NoSQL (MongoDB), Django, Apache httpd.
• Migrate on premise database to AWS Cloud and also designed, built, and deployed a multitude applications utilizing the AWS stack (Including EC2, R53, S3, RDS, SNS, and IAM), by focusing on high-availability, fault tolerance, and auto-scaling.
• Configure EC2 Instances, VPC, Route 53, ELB, Subnets, etc.
• Configure and administer Apache and Application layers
• Configure HTTP caching properties for static caching.
• Automate site configuration using Puppet.
• Experience wif shell scripting ( sh, bash, csh, ksh)
• Worked on SIEM for security and audit compliance configuration
• Worked on Docker and have done deployments on Ubuntu.
• Worked wif puppet /Chef for configuration management .
• Worked on version control using Github.
• Worked on automating builds using Jenkins.
• Experience wif AWS SDK and AWS API.
• Worked on automating tasks using puppet
• Worked on tomcat, jboss install and configuration .
• Worked on mongodb and mysql.
• Worked on migrating Solaris 10/ AIX 6.1 to redhat 6.
• Worked on creating new LPARS on AIX IBM frame
• Worked on ruby and python scripting.
• Automate infrastructure in AWS using amazon web services.
• Installing and configuring Tomcat and JBOSS.
• Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
• Performed installation, configuration and tuning of Redhat, CentOS, Solaris servers and AIX.
• Wrote shell scripts to automate daily tasks like DNS entries to Route53, checking connectivity etc.
• Implemented Chef Recipes for Deployment on build on internal Data Centre Servers. .
• Evaluating testing of Chef Recipes - Concept of Test Driven Development for Infrastructure as a Code.
• Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.
• Integrating various provisioning and monitoring modules into a single platform.

Environment: Red hat Linux,Solaris,CentOs,Ubuntu,Vmware,Tomcat, Apache, Nagios, Jenkins, Python, Chef, Maven, Git, AWS ELB, AWS S3, AWS Cloud Formation Templates,AWS RDS, AWS Cloud Watch.

Confidential, Los Angeles, CA

Linux Admin / DevOps Engineer

Responsibilities:

• Worked on Installation and Configuration of Red Hat Enterprise Linux 4.x/5.x and CentOS; Maintenance and Administration
• Installed and configured Linux/Unix and Windows operating systems on VMware server.
• Wrote shell scripts using languages like Bash, Python, Ruby and Perl to automate day to day administration jobs.
• Configured LDAP Server and LDAP Client on Linuxmachines for authorization and autantication.
• Used Splunk and Sitescope monitoring tools for the automation process.
• Proficient in installation and configuration of various Packages and Patches in Linux utilizing Red Hat Satellite Server.
• Collaborated wif development team to troubleshoot and resolve issues.
• Documented project's softwarereleasemanagement procedures wif input decisions.
• Automation of daily tasks using Shell and Perl scripts.
• Deployed the static content to apache web servers and applications to Tomcat Application server.
• Used JIRA as a Change Management/ Work Management/ SCRUM Agile Tool.
• Build, configured and support Application team environments.
• Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.
• Spearheaded unit testing of developer code; collaborated effectively wif local / offshore teams and users to ensure code met client requirements and achieved targets for application functionality, stability, and availability.
• Experience wif the YUM for RHEL and YAST for SUSE for upgrading the Linux.
• Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, Sys logging and Networking Problems.
• Installed and configuration of VxVM, VxFS and VCS on various Servers.
• Installed Patches/Packages on and Solaris Servers and RPM packages on Linux Servers.
• Monitored and fine tuning system and network performance for server environments running Solaris, Redhat Linux.
• Created and managed filesystems, disk partitioning and disk space related issues on Windows and Linux servers.
• Experienced in troubleshooting various log issues on TOMCAT, JBOSS and ZENDservers through log rotation and secure removal of older logs.
• Identified and worked wif troubleshooting issues related to CPUs usage, bumping cores as well as decommissioning old servers.
• Ensured compliance to established procedures wif regards to operational and application documentation.
• Supported Fortify scan and Code coverage activities.
• Generate Crystal reports from the Build Database.
• Developed server-side and client-side hooks/scripts as well as other glue software to customize Git and tie in wif other tools such as code review tools(gerrit), defect tracking(JIRA), build management(Continuous integration server-Hudson), etc.
• Installed and configured Websphere application servers. Deployed Java based application in Websphere application servers.
• Automated the provisioning of Tomcat app instances, Apache web instances through puppet
• Worked wif TCP/IP network configuration.
• Administered and Configured Logical Volume Manager which involved create and modify file system, logical volume, Physical volume, Volume groups, mirroring and un-mirroring of volume groups, hot spare physical volume.
• Performed hardware and software installations, upgrades, and maintenance, patch administration, kernel modification/upgrades, file system management, performance and security analysis and network configuration/tuning.
• Involved in backend solution, day to day Administration & Monitoring, File System Management and Disk Management.
• Worked on implementation and troubleshooting of network services like NFS, FTP, NTP, Telnet, SSH.
• Worked in setting up Chef Infrastructure, Chef-repo and Boot strapping chef nodes.
• Used Jenkins, Chef, shell scripts to automate the code deployment & automation of continuous integration infrastructure (GIT and Nexus were also used in dis process)
• Documented release, builds and source control processes and plans.
• Worked on building and deploying Java code through Jenkins and Chef.
• Worked closely wif development team and SQA team for product releases.
• Supported small to medium sized projects using GIT.
• Worked on integrating GIT into the continuous Integration (CI) environment along wif Jenkins and Subversion.
• Worked on cloud solution architecture on open stack Amazon Web Services (AWS).
• Created and deployed a tool to automate branch and project creation in subversion using Perl and Chef Scripts.

Environment: Red hat Linux,Veritas,Tomcat, Jira,Splunk,Apache,Jenkins, Chef, Git, Ubuntu, CentOS

Confidential

Linux System Administrator

Responsibilities:

• Administration of RHEL 5/6 that includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Worked on creating, cloning Linux virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Worked in AWS Cloud Environment like EC2 & EBS.
• Worked wif API's like AWS API for Creating and Managing Amazon Cloud Instances using Puppet Code and used puppet for provisioning.
• Installed and managed Red Hat Linux using Kickstart and applying security policies for hardening the server based on the company policies.
• Administered package installation, configuration of CentOS 5/6.
• Created disk groups, volume groups and RAIDs using Veritas Volume Manager.
• Installed and configured PHP and MySQL on Linux Server for test and development environment.
• RPM and YUM package installations, patch and other server management.
• Created new file systems, monitoring disk usage, checking and backup of log files administration and monitoring the disk based file system.
• Configured multipath, adding SAN and creating physical volumes, volume groups and logical volumes.
• Installed and configured Apache and supporting them on Linux production servers.
• Performed Kernel compilation and patch upgradation on Linux servers.
• Worked on troubleshooting Linux network, security related issues, capturing packets using tools such as iptables, firewall, TCP wrappers and NMAP.
• Developed automated processes that run daily to check disk usage and perform cleanup of file systems using shell scripting and Crontabs.
• Hands on experience on creating and managing Users / Group accounts and setup a user's work environment.
• Monitored the File System, CPU load for better Performance and system performance parameters using iostat, vmstat and prstat.
• Monitored system performance, tune-up kernel parameter, adding/ removing/ administering hosts, users, disks on DNS / NIS domain.
• Performed the configuration and administration of DNS, NFS, SAN, NIS and database files.
• Involved on making DNS entries to establish connection from server to DB2 database.
• Created VM snapshots for test and deployment as well as in production change controlled release environment.
• Worked on a very robust and dynamic environment wif the Development and QA team finding quick and feasible solution.

Environment: Red hat Linux, Centos, AWS, Veritas, Apache, Puppet.