­­­­­­­­­­­­­­­­PROFESSIONAL SUMMARY:

• Over 9+ years of experience in Software Configuration Management (SCM), DevOps, Deployment & Release management and an AWS early adaptor, worked in many technical roles both in Linux and Windows environment for build and automation process.
• Expertise in improving build & deployment tools in Devops through automation using scripting.
• Experience in process automation from system administration tasks to Continuous integration and Continuous Deployment (CI/CD).
• System administration in Red Hat and Debian distributors like Ubuntu, SUSE, Solaris, IBM AIX, EMC storage, ONTAP, AWS.
• Experience in Server infrastructure development on AWS Cloud and Microsoft Azure.
• Updated the Azure instance count for production services of Redbox.
• Extensive usage of Virtual Private Cloud (VPC), Cloud Formation, Cloud Front, EC2, RDS, S3, Microsoft Azure, Route53, SNS, SQS, Cloud Trail.
• Expertise in AWS, implementing new instances and working with EBS and S3 storage, IAM.
• Implemented and configured AWS S3 CMD tool and implemented Queues, SQS and use cases in AWS.
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Set up the scripts for creation of new snapshots and deletion of old snapshots in S3.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier.
• Created Monitors, alarms and notifications for EC2 hosts using Cloud watch.
• Create and configured the continuous delivery pipelines for deploying lambda functions using Jenkins server. 
• Proficient in automating build and configuration process using tools like ANT, Maven, Hudson/ Jenkins and Puppet/Chef.
• Experience with Linux systems, virtualization in a large - scale environment, experience with Linux Containers (LXC) and Docker.
• Experience in virtualization technologies like VMware and good understanding of Xen, KVM.
• Configured services like DNS, NIS, NFS, LDAP, SAMBA, Send Mail, FTP, Remote access on Linux.
• Have good knowledge in Configuring and maintenance of common Linux applications such as Apache, MySQL, NFS, DHCP, BIND, SSH, and SNMP.
• Installed and configured Chef Servers and bootstrapped chef client nodes for creating data bags.
• Created machine environments with Chef and deployed cloud with node workstation.
• Written Chef Cookbooks and recipes to Provision several pre-prod environments consisting of Cassandra DB installations.
• Extensively used Ruby scripting on Chef Automation for creating cookbooks comprising all resources, data bags, templates, attributes.
• Managed Chef Cookbooks to automate system operations.
• Good experience in using Puppet, which helps in site-redundancy and Release Management activities for large Enterprise Applications.
• Strong hands-on experience in working with Jenkins, Repository Manager, Deployments and other related CI/CD tools.
• Good experience in creating nodes for executing numerous jobs for Continuous Integration systems such as Jenkins
• Experience in setting up CRON jobs on production servers by using Jenkins.
• Created an automated application-testing framework for the CD pipeline leveraging Robot Framework integrated with Jenkins & Selenium that increased testing cycles.
• Hands on experience with DevOps tools like Docker.
• Worked with Docker and created multiple Containers and Images, configured these containers to communicate with each other.
• Hands on experience with Docker containers to maintain Docker images, Docker hub & registries.
• Docker swarm is integrated with Docker daemon.
• Handled large volumes of container clusters with Docker swarm, kubernetes and mesos.
• Used Docker containers to maintain the gap between development & operations for security purposes.
• Used Docker to showcase the build micro services to modularize design and isolate the development of containers.
• Experience in Installation and Configuration of the Nexus repository manager for sharing the artifacts within the company.
• Installed Nexus oss repository tool to maintain the artifacts/dependencies jars.
• Created proxy nexus repositories to speed up the build process. 
• Worked on User administration setup, maintaining account, monitor system performance using Nagios and Zabbix. 
• Familiarity in DNS technologies named Infoblox.
• Good experience in using Puppet, which helps in site-redundancy and Release Management activities for large Enterprise Applications.
• Knowledge on Code Analysis tools like SONAR. 
• Migrate Physical Servers to Virtual Serves using VMware Converters
• Provided end to end SCM consultation and implementation.
• Supported in handling imported data in HDFS & hive using Hive QL and custom Map Reduce programs in Java.
• Created Configuration Management Plans and Test Plans for Applications and created SCM Process, policies and procedures to follow Development and QA teams to Release or Deploy highest quality product for the enterprise.
• Working knowledge of Checkpoint Firewalls (R75, R77).
• Good knowledge routing, switching, firewall technologies, systems design and administration and troubleshooting.
• Worked in Software Development Life Cycle (SDLC) from concept of implementation, using both "Waterfall" and "Agile" methodologies.
• Developed and implemented Software Release Management strategies for various applications according to the agile process.
• Team player with excellent interpersonal skills, self-motivated, dedicated and understanding the demands of 24/7 system maintenance and has good customer support experience.

TECHNICAL SKILLS:

Operating System: Windows 98/XP/ 2000/2003/7/8/10 , Linux RHEL5.x/6.x, CentOs 5.x/6.x, Ubuntu, Debian, Mac OS, SOLARIS.

Source Control Tools: CVS, Subversion, Clear case, GIT

Continuous Integration Tools: Jenkins, Bamboo, cruise control

Configuration Tools: Chef, Puppet, Ansible, Salt, Vagrant

Containerization Tools: Docker, Docker swarm

Build Tools: ANT, MAVEN.

Monitoring Tools: Nagios, Zibbix, Rest API, BugZilla, Service Now, Splunk

Bug Tracking Tools: JIRA, Rally, Remedy and IBM Clear Quest

Scripting: Shell scripting, Python, Perl scripting

Web Technologies: HTML & CSS, jQuery, Java Script, AngularJs, XML, Servlets, JDBC, JSP

Web/App servers: Web logic, Apache Tomcat, JBOSS

Database: Oracle 9i/10g, DB2, SQL SERVER, MySQL

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Sr. AWS & DevOps Engineer

• Implementing the first full stack Enterprise Monitoring Solution which involves design, developing, implement and administer monitoring tools for networks, systems and applications.
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• Working on migration project of moving current applications in traditional datacenter to AWS by using AWS services.
• Working with various AWS EC2 and S3 CLI tools.
• Expertise in implementing new AWS instances and working with EBS and S3 storage, IAM.
• Utilizing S3 bucket and Glacier for storage and backup on AWS.
• Designing and implementing a continuous development and deployment process that is uniform throughout several development teams and across projects.
• Implemented Continuous Integration validation tests on code check-in. Design and implement, working with QA automation team, post check-in automated unit and system tests and Established and documented workflow.
• Trained development, QA and production deployment teams.
• Managed tools like Subversion, Jenkins, JIRA and Performed maintenance and troubleshooting of build/deployment systems.
• Responsible for configuration management including deployment of new software/configuration changes into our production environment. Additional duties included working with development and infrastructure teams to improve the configuration and release management processes and environments for more efficient, higher quality software deployments.
• System Infrastructure Setup, Provision, Deployment, Management, Automation and Remote Assistance
• Developed Jenkins HTML email report to provide all information related to commit build, current commit from stash, Gerrit, jira information.
• Using Gerrit and Stash Rest API created script to fetch commit data and publish email report.
• System provisioning and Deployment (Ansible).
• Build and Release (Git and Jenkins Integration).
• Virtualization, OS and Open Source Package Automated Installation, Configuration.
• System Administration, Monitoring, Optimization, Security and Automation.
• Performed application server builds in EC2 environment and monitoring them using cloud watch.
• Managing users and groups using the amazon Identity and Access Management (IAM).
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Managed AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure for GIT and Puppet servers.
• Expert in performance monitoring tools like Iaas, AWS CloudWatch and stack driver.
• Created Security groups and worked with Access Control Lists (ACLs), snapshots and Amazon Machine Images (AMIs) of the instances for backup and creating clone instances.
• Involved in the migration of Database jobs from development to production environment.
• Implement the Build automation process for all the assigned projects in Vertical Apps domain.
• Create Cache Memory on Windows Azure to improve the performance of data transfer.
• Worked directly with the Azure Prod team in tracking and resolving defects in the beta Azure IaaS offering.
• Scheduled the Database ETL batch jobs on a daily, weekly and monthly basis through Autosys.
• Participated in the release cycle of the product which involved environments like Development QA, UAT and Production.
• Sending the Uptime and Downtime notifications to teams regarding Servers status as a part of the Build Engineer role at the time of deploying the EAR and WAR package in Tomcat Admin Console.
• Created Test Strategy, Test Plan and Test case in RQM.
• Configuration Management using Subversion (SVN) and maintaining admin related files.
• Migrated CVS Version Management tool to Subversion.
• Designed and implemented GIT meta-data including elements, labels, attributes, triggers and hyperlinks.
• Created Branches Labels and performed Mergers in Stash GIT.
• Integrated GIT with Jenkins to process the deployment with cron jobs.
• Maintained build related scripts developed in ANT and shell. Modified build configuration files including Ant’s build.xml.
• Worked with development team to migrate Ant scripts to Maven.
• Experienced in authoring pom.xml files, performing releases with the Maven release plugin, Mavenization of Java projects and managing Maven repositories.
• Developed Chef Cookbooks to install and configure Apache, Tomcat, Splunk, Jenkins, WebLogic, Rundeck and Deployment automation.
• Supporting Development team to implement the process of automation of builds and deployment using chef.
• Created various cookbooks for automating network configurations in chef-server.
• Chef is built on top of the Ruby programming language, when needed have Ruby to customize Chef.
• Written Recipes in Ruby scripts to customize the Chef as per our environment.
• Implemented Chef to deploy the builds for Dev, QA and production.
• Using Chef, enable web IT providing support for managing cloud infrastructure.
• Chef to speed up application deployment, even creating a continual deployment pipeline.
• Implemented Continuous Delivery pipelines using Docker, Jenkins and Bit bucket and AWS AMI's.
• Created prototypes to automate the build process and initiate a buildprocess as well as the integration, administrating Jenkins.
• Created the workflow pipelines with Jenkins for CI process in web-servers.
• Managed build results in Jenkins and deployed using workflows.
• 100% Automation of test scripts and enabled Production deployment team to execute the same using Jenkins jobs in Production environment.
• Working on Docker and Vagrant for managing different environments by creating virtual Containers through Docker images.
• Linux container and has the AMI baked in converted our staging and production environment from a handful AMI's to a single bare metal host running Docker.
• Working on Docker to create containers for the application using Gradle. 
• Installation and configuration of different Splunk Components like Indexers, Search Heads, and Forwarders.
• Implemented monitoring solutions and developed app/dashboards for Apache Web Server Analytics, BIG-IP, load balancer, Site minder, Ping, SM Login, and LDAP in Splunk. 
• Used SQOOP tool to load data from RDBMS into HDFS.
• Wrote a Python plugin for collected to write metrics to statsd.
• Handled Jira tickets for SCM Support activities.

ENVIRONMENT: AWS EC2, S3, RDS, AMI, IAM, VPC, Chef, Azure, Jenkins, Gerrit, Stash, Python, Linux, Bash, Groovy, Zabbix, Subversion, SSH, Deployment Automation, Zabbix, Rest API, OpenStack, Ant, Maven, Subversion, UNIX, SVN, Docker, Jira, Python, Ruby, Shell Scripts, Tomcat, Jenkins, Splunk.

Confidential, Bloomsburg, PA

AWS & Devops Engineer

• Responsible for one or more environments/systems and interface directly with the Development and QA team on daily basis for the maintenance, upkeep and expansion of these environments. 
• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, and Auto scaling groups, Optimized volumes and EC2 instances. 
• Configured Elastic Load Balancers (ELB) with EC2 Auto scaling groups. 
• Created Amazon VPC to create public-facing subnet for web servers with internet access, and backend databases & application servers in a private-facing subnet with no Internet access. 
• Created AWS Launch configurations based on customized AMI and use this launch configuration to configure auto scaling groups.
• Updated the Azure instance count for production services of Redbox.
• Participated in Business/Development meetings to understand user requirements.
• Automated mobile/wearable device using Appium, UI Testing, Web Testing using Selenium.
• Create Automation Testing Framework for Embedded wearable device with Appium and robot framework in python, Json.
• Guided & lead automation team members.
• Responsible for defining automation standard and rule required for building automation specific test lab.
• Responsible for the verification of the functionality of the Application on various browsers and its compatibility on Internet Explorer and Netscape Navigator and the different versions of the Web Browsers predominantly used in all business application environment.
• Automated Web Browser using Selenium web driver.
• Investigated, noted and collected information on software bugs and reported the same to developers.
• Extensive usage of Virtual Private Cloud (VPC), Cloud Formation, Cloud Front, EC2, RDS, S3, Microsoft Azure, Route53, SNS, SQS, Cloud Trail.
• Utilized Puppet for configuration management of hosted Instances within AWS configuring and Networking of Virtual Private Cloud (VPC).
• Utilized S3 bucket and Glacier for storage and backup on AWS.
• Using Amazon Identity Access Management (IAM) tool created groups & permissions for users to work collaboratively.
• Implementation/setup continuous project build and deployment delivery process using Subversion, Git, Jenkins, IIS, Tomcat. 
• Connected continuous integration system with GIT version control repository and continually build as the check-in's come from the developer. 
• Experience with build tools Ant and Maven and writing build.xml and pom.xml respectively.
• Experienced in authoring pom.xml files, performing releases with the Maven release plug-in and managing Maven repositories.
• Implemented Maven builds to automate JAR and WAR files.
• Designed and built deployment using ANT/ Shell scripting and automate overall process using SUBVERSION and MAVEN. 
• Implementing Continuous Delivery frameworks using Jenkins, Chef, Maven & Nexus in Linux environment. 
• Worked on Managing the Private Cloud Environment using Chef. 
• Puppet automation, installing and configuring puppet 3.x server and agent setup, developing IHS, Web Sphere MQ 7.0, Web Sphere Application Server Automation, Apache 4.x/5.x, Jenkins, foremen.
• Wrote Puppet models for installing and managing java version files
• Created Puppet master to configure the compiled files, templates and plugins to manage nodes.
• Created Snapshot, Template and use them based on the requirement and created Puppet Manifests to integrate Heat Templates into OpenStack.
• Used Puppet modules to rebuild the code & data, from auto load Manifests from old Modules.
• Well in shell scripting automation of MQ, WAS, puppet, foreman Cloud forms.
• Automation of test cases is done by integrating the HP QC plug-in with Jenkins Server which will automate whenever there is latest package available through the CI server.
• Experimented playbooks for Ansible and deploying applications using Ansible.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing directory structures and managing containers.
• Handled Jira tickets for SCM Support activities.
• Extensive knowledge and administration experience in JIRA and knowledge on other CI tools like Bamboo.

ENVIRONMENT: AWS EC2, S3, RDS, AMI, IAM, VPC, Chef, Azure, OpenStack, Python, C, JSON, Selenium web driver, Appium, Linux, Eclipse, Git , Android , ,Stash ,Robot framework, Ant, Maven, Subversion, UNIX, SVN, Docker, Jira, Python, Ruby, Shell Scripts, Tomcat, Jenkins, Splunk.

Confidential, NY

DevOps Engineer

• Release Engineer for a team that involved different development teams and multiple simultaneous software releases.
• Created and deployed builds to different environments based on requests.
• Converted and automated builds using Maven and Ant.
• Wrote new ANT scripts to Automate build process and modified the existing ones according to the new project guidelines.
• Imported and managed multiple corporate applications into Tortoise SVN.
• Involved in develop/write code for test automation (TC) using Selenium web driver to test web page.
• Automated the Face book/Google login page, create event page using Selenium web driver.
• Automated the web page features i.e. device security, Google calendar events, Face book events, Time zone, VIP.
• Knowledge of setup and usage of simulators/emulators on bracelet device to automate.
• Developed Google calendar API (cloud) to test calendar functionality.
• Performed all necessary day-to-day Subversion/GIT support for different projects.
• Responsible for design and maintenance of the Subversion/GIT Repositories, views, and the access control strategies.
• Integration implementation of Jenkins, uDeploy, JIRA and Crucible for DevOps automation.
• Configured Jenkins to implement nightly builds on daily basis and generated change log that includes changes happened from last 24 hours.
• Gained extensive experience in RPM deployment via Chef, build automation through Jenkins, and server management via mod WSGI and Apache. 
• Created an automated application-testing framework for the CD pipeline leveraging Robot Framework integrated with Jenkins & Selenium that increased testing cycles. 
• Develop and enhance the automated environment management system using SALT.
• Developed scripts using PERL, BASH and BATCH files for Automation of Activities and builds.
• Experimented with Docker and Ansible together and then just using Docker-compose.
• Database deployments on MySQL, SQL Server and Mongo Databases.
• Documented the policies and procedures for build, branching and labeling of ClearCase, Subversion.
• Installed and configured Web Sphere Application Server 6.0/7.0, Apache Tomcat installation, VMware, Red Hat Linux, Windows, JBoss.
• Managed Development, Test, UAT and PROD servers. 
• Managed testing team and used tools like Rationale Requisite Pro for Requirements database, Mercury Interactive Test Director for Test Plans and Test Cases database, Census Tool and Rationale DDTS for web based Defect Tracking System.
• Installed and Managed Nexus Repository Manager and all the Repositories.
• Participated in weekly release meetings with Technology stakeholders to identify and mitigate potential risks associated with the releases.
• Familiar with Performance Monitoring of RDT connected to Lucent 5ESS switch using T-Berd 224 to induce Errors.
• Knowledge in Maintenance of user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• Training classes to fellow and junior engineers on different tools and equipment.

Environment: J2EE, GIT, Jenkins, SVN, Chef, ANT, OpenStack, Python, C , Java, Selenium web driver, Linux, Robot framework, Eclipse, Git, Jenkins, Android, Stash, MAVEN, Shell (bash), Apache Tomcat Application Server, Linux, SQL.

Confidential, MS

Build and Release Engineer

• Implemented CI/CD best practices in CI/CD this improved code time to production systems.
• Participated in the release cycle of the product, which involved environments like Development, INT, QA, UAT and Production. 
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure. 
• Integrated Maven with Perforce to manage and deploy project related tags.
• Installed and administered Artifactory repository to deploy the artifacts generated by Maven and to store the dependent jars which are used during the build.
• Provided end-user training for all Subversion (SVN) users to effectively use the tool. 
• Involved in develop/write code for test automation (TC) using python language to test mobile Apps.
• Knowledge of setup and usage of simulators/emulators on major Mobile platforms
• I have added the accelerometer sensor code in Java to get the accelerometer data.
• As test automation developer I have added automation infrastructure to test Google calendar events.
• For test Gmail loop I have develop automation code to test Gmail functionality.
• To test the web portal I have develop automation code using selenium web driver to test the web base features.
• Developed google calendar library to automate google calendar features.
• Integrated different - different type of sensor in Automation framework to test Product /device.
• Maintained and version controlled Backend Oracle database using SVN/Ant scripts.
• Used Maven to build rpm’s from source code checked out from GIT and Subversion repository, with Jenkins being the Continuous Integration Server and Artifactory as repository manager.
• Excellent working experience of GIT branching/tagging, creating new and managing existing Repository, Team Foundation Version Control.
• Created Build Jobs and Deployments in Jenkins.
• Developed Jenkins jobs to automatically manage, test, and deploy code and applications.
• Implemented configuration management with Puppet.
• Responsible for Installation, configuration and administration of enterprise applications on IBM WebSphere Application Server 6.0/6.1 and IBM HTTP Web Server 6.0/6.1, Apache Web Server 2.0 on AIX, Linux and Windows NT/2000/2003 environment.
• Responsible for installation and configuration of Build Forge 7.1.1 installing RAFW (Rational Automation Framework) and configuring with Buildforge. 
• Migrated Build Forge 7.0 to 7.1, Hudson, and applied patches 7.1.1.1 -7.1.1.3 upgraded RAFW (Rational Automation Framework). 
• Deployed application modules to WAS based clusters via ND admin console.
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM and RPM tools.
• Experience in setting up Oracle Database on various nodes.
• Used JIRA custom workflows to track issues and JBoss app server to deploy the application.
• Created deployment request tickets in Bugzilla for the deploying the code to Production.
• Performing servers health checks on daily basis, by logging into UNIX system and monitoring logs, and processes.
• Used ANT and MAVEN as build tools on Java projects for the development of build artifacts on Designed and implemented Subversion and GIT metadata including elements, labels, attributes, the source code.
• Experience in developing REST services and SOAP based web services using JAX-WS, WSDL, XML, XSL, JAXB, and AXIS2.
• Experience in configuration of NIS, NIS+, LDAP, DNS, DHCP, NFS, LDAP, Auto mount, SAMBA, Send mail, FTP, remote access, Active Directory, Security management and Security trouble shooting skills.
• Worked with various AWS EC2 and S3 CLI tools. 
• Provided the assistance for the smooth phase of Release for the Emergency and Expedite Releases by getting the Director Level Approval and coordinating with different teams.
• Involved in AGILE (Scrum, XP approach) methodology including, test-driven and pair-programming concept.

Environment: Subversion, AWS, ANT, Python, C, Java, Selenium web driver, Linux, Eclipse ,Git , Android , Bit-scope, Stash, Jenkins, Puppet, Maven, Remedy, RHEL, XML, WebLogic, Oracle, Perl Scripts, Shell scripts, Nexus.

Confidential 

Linux administrator

• Server builds and deployment (CentOS, RHEL, Solaris), using interactive and advance installation methods (Kickstart and Jumpstart). 
• The operating systems involved for migration were Linux Redhat 5.5 / 6.2 / 6.5, AIX and Solaris.
• Worked with end users during validation of post migrated servers and resolve their issues like file permissions, secure keys copied in the right location for password-less access. 
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL databases in both development and production.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Installation and configuration of Redhat virtual servers using ESXi 4/5 and Solaris servers (LDOMS) using scripts and Ops Center.
• Understanding Linux display driver & Display Content Controller
• Understood the DA8620 LCD data sheet.
• Worked on OLED driver (DA8620) to correct the Gamma curve , involved on debugging and modify the code and tested in device
• Debugged the Linux display driver lower layer which contains DCC Driver layer.
• As System debugger I have used the proprietary tool to take core dump.
• File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Addition and configuration of SAN disks for LVM on Linux, and Veritas Volume Manager and ZFS on Solaris LDOMs.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Administering and maintaining CVS, Bugzilla and Cruise Control.
• Merged the generated reports as per request. Formatted data into required format using UNIX Shell Scripts, SED and Awk.
• Created test scenarios for testing NIS, NFS, DNS and other functionality of the OS.
• Installed and maintained web servers JBoss 4.x, Jakarta Tomcat and Apache HTTP (1.3, 2.2) Web server in Red Hat Linux.
• Implemented open source base monitoring tool Nagios 3.0 for servers, SAN switches, EMC SAN Storage and VMware ESX and ESXi.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.
• Bash shell-scripts to automate routine activities.3
• Proficient DB administration (Oracle, DB2, Mongo, MySql, Sybase and SQL) knowledge for maintaining, pruning, and performing required DB tasks.
• Maintained system security, including password checks, permission scans, implementation of security ensuring tools Linux environment.
• Day to Day activities included handling security issues like stale UNIX account cleanups, 90 day password changes, setting max age and min age, creating a list of unmask settings for various users.
• Trouble shooting User's login & home directory related issues. Managing (adding/removing) disks and partitions (LVM).
• Provided system performance reporting on a regular basis along with keeping all software at current version levels, and maintaining a log of changes for tracking.
• Involved in documenting of Linux and Windows environment and configuration details.

Environment: Red hat Linux 4/5, Sun Solaris 8,9,10 Sun V440, C++, C, Linux, Eclipse, Git, Android Screen Cast, Mobile Analyse core DUMP, Phone Tool ver121, JTAG, Xmm2231, V490 T5220 T5240, Switches, VMware ESX 5.1, oracle 11, Veritas Cluster Server 5, Veritas Operations Manager.

Confidential

System Administrator

• Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Creation of Kickstart images for the different version of Redhat Linux Operating system like 5.x & 6.x
• Creating the server profile and making the network and SAN virtual configuration using Virtual Connect in blade center C7000.
• Configuration and administration of LDAP, NFS, FTP, SAMBA and POSTFIX Servers in Red Hat Enterprise Linux.
• Setup NFS Servers, Diskless clients and Auto clients and automated the file systems using direct and indirect auto mount maps.
• Understanding overview of embedded controller systems architecture (LED,LCD and 7 segment display) & various hardware interface (I2Cand UART) on 8051 equivalent platform
• Understanding the Linux architecture
• Adding a new system call to the Linux kernel, recompiling the Linux kernel and testing the generated kernel.
• Understanding basic device driver (character driver) & Linux device module
• Down loading the Linux kernel, configuring, building and booting. Understanding the basic Linux Source Code architecture.
• Creating a bootable Linux 2.6.28 image from the source code provided for the Devkit8000 board based on OMAP3530
• Porting the image with the on to the board with the x-loader and U-boot images provided by the board vendor (Devkit8000) &
• Exploring the circuit diagram for the board for the various devices and interfaces. Specifically exploring the LEDs interfaced to the OMAP chip.
• Expertise in security hardening (selinux) major Production Servers, and compiling, building and installing web server based Linux tools. 
• Shell scripting for database startups, backups using bash shell scripting.
• Security activities (QEV, Health Checks, ID revalidation & PAR) as per IBM ITCS104.
• Installation of packages, patch management, volume management on SUSE servers using YaST.
• Installation of Firewall checkpoint. Installed and configured IPFilter, to protect Linux system that was placed on the Internet.
• Installation, configuration and monitoring of monitoring tools like Nagios, HP SiteScope and Cacti. 
• Monitored servers, switches, ports with Nagios monitoring tool. 
• Setup Clustering for Linux servers.
• Fine tuning of Servers and configuring networks for optimum performance.
• Managing and troubleshooting issues with load balancers using F5 to balance the load among the application servers.
• Experience in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Create system images with Norton ghost.

Environment: Oracle 8i, Redhat Linux 3.x, C and Assembly, Keil uversion4.0, IAR embedded workbench (stellaris board (lm3s6995)), 80C51 Microcontroller, Cortex-M3, Devkit8000 (Beagle board), Windows 2000/XP, Veritas Cluster Server 5.