SUMMARY:

• AWS certified professional with 8+ years of extensive experience in Automating, configuring and deploying instances on cloud environments and Data centers. Experience in the areas of DevOps, CI/CD Pipeline, Build and release management, AWS/Azure and Linux/Windows Administration Proficient in prioritizing and completing tasks in a timely manner, yet flexible to multitask when necessary.
• Proficient in AWS Cloud platform and its features Such as EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation, Beanstack, Auto scaling, Cloud Front, IAM, S3, and R53.
• Designed AWS Cloud Formation templates to create customized VPC’s, subnets and NAT to ensure successful deployment of Web applications.
• Good Knowledge of Azure cloud services such as Azure storage, Azure active directory and Azure Service Bus. Also, have created and managed Azure AD tenants and configured Application Integration with Azure AD.
• Using Bash and Python, included Boto3 to supplement automation provided by puppet and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.
• Rapid and fluid IaaS / PaaS deployment via ARM Template. Authored Templates to describe infrastructure to be deployed including compute resources with specific properties such as multiple data disks and static IP address, autoscaling, networking, storage accounts, and resource groups.
• Experienced with Docker container services like creating Docker files, Docker Images, Docker Container snapshots, attaching to a running container, removing images, managing directory structures, and managing vessels.
• Integrated Apache Kafka for data ingestion, to capture and process the real time streaming data.
• Worked on Docker clustering on Mesos with Marathon.
• Working experience with Kubernetes, Mesos, Docker Swarm.
• Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Used Kubernetes during debugging and leading up to production when multiple application build must be tested for stability.
• Good understanding of Open Shift platform for managing Docker containers using Docker swarm, Kubernetes Clusters.
• Experienced in working with system health and monitoring tools like Nagios, Zabbix and Splunk, CloudWatch, NewRelic, Elasticsearch, Logstash, & Kibana(ELK) Confluence to trigger the event handlers to send a notification and act according to the script.
• Managed more than 1000 virtual servers and monitored Application Servers using Splunk.
• Experience in using ticketing, bug tracking systems and code coverage tools like JIRA, Remedy, Service Now, RALLY, SonarQube, Jacoco.
• Production experience in large environments using configuration management tools like Chef, Ansible and Puppet.
• Have experience supporting Chef Environment with 500+ servers and involved in developing manifests and developed Chef Cookbooks to manage system configuration.
• Hands on Experience with Cloud automation, Containers and PaaS (Cloud foundry) which helps to trigger the inherent originality of an individual using Terraform.
• Created and updated Chef recipes and cookbooks, profiles and roles using Ruby and JSON scripting and also have migrated all nodes from ansible configuration system to chef system.
• Expertise in Installation and configuration of Puppet which includes Puppet Master, Agent Nodes and an administration control workstation like Puppet Console.
• Extensively worked on Jenkins and Hudson for Continuous Integration and automation for all Build & Deployments.
• Expertise in using build tools like MAVEN, ANT and MSbuild for the building of deployable artifacts such as war & jar from source code.
• Experience in managing the repository managers like Nexus/ JFrog for the Maven builds. Integrated Maven with Jenkins through which the Surefire test reports and Javadoc’s produced by Maven are captured to build parallel modules for larger maven projects.
• Proficient in writing Python, Ruby, YAML, Perl, Shell, Bash, PowerShell Scripting to automate the deployments.
• Experience in working with Version Control Systems/Source Code Repository tools like Subversion, GIT, CVS, SVN GitHub, Performance maintaining/troubleshooting the CM tool in UNIX and Windows environments.
• Experienced in Waterfall, Agile/Scrum, Lean methodologies of software development and Continuous Integration (CI) and Continuous Deployment (CD) practices.
• Worked on Installation/Configuration/Administration of VMware ESXI and have migrated existing servers into VMware Infrastructure.
• Knowledge on creating CICD pipeline jobs using Jenkins which included deploying CAR file into WSO2 ESB console.
• Administered, installed, supported LINUX Networking services and protocols like NIS, NIS+, LDAP, DNS, TCP/IP, DHCP, NFS, FTP, SSH, SAMBA, Configuring NFS shares and NFS mounts and troubleshooting and fixing the network problems.
• Exposure to all aspects of Software Development Life Cycle (SDLC) such as Analysis, Planning, Development, Testing, Implementation, Post - production analysis of the projects.

TECHNICAL SKILLS:

Cloud Environments: Amazon Web Services(AWS), Azure, OpenStack, Pivotal Cloud Foundry (PCF), Google Cloud Platform (GCP)

VMware Client, Windows Hyper: V, vSphere 5.x, Datacenter Virtualization, Virtual Box, Power VM

Operating Systems: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, Ubuntu 12/13/14, Windows servers, Windows 2000, XP, Windows 7.

Automation Tools: Jenkins, Puppet, Chef, Ansible, Docker, Kickstart, Jumpstart, Terraform, Kubernetes.

Database: Oracle MySQL, MongoDB, DynamoDB, AWS RDS

Scripting languages: Bash/shell, Python, PERL, Ruby, YAML, Power shell scripting, SPL and JSON

Networking/Protocol: DNS, DHCP, WAN, TCP/IP, SMTP, LAN, FTP/SFTP.

Version Control Tools: GIT, SVN, CVS, Bitbucket, GITHUB.

Monitoring Tools: Nagios, (Elasticsearch Logstash, Kibana) ELK, Cloud Watch, Splunk, Jira, Nexus, Confluence, JaCoCo, SonarQube, JFrog, Service-now.

Web/Application Servers: HTTP, Nginix Apache2, Web Logic Application server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBoss 4.22. GA Web Sphere 6.x/7.x/8.x

Web Technologies: JavaScript, Perl, HTML, CSS, Web services

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta

Sr Cloud /DevOps Engineer

Responsibilities:

• Supported around 250+ AWS Cloud instance and used AWS CLI to manage and configure AWS products. Also, have experience setting up a database by using AWS service and S3 bucket to configure backups of instances to S3 bucket.
• Created pipelines in AWS by using AWS service Code pipeline for automation from development to deployment process and used ELB, security groups, Network Access control lists (NACL), NAT Instance and Route 53.
• Installed, configured and managed the ELK (Elastic Search, Log stash and Kibana) for Log management within EC2 / Elastic Load balancer for Elastic Search and ELK stack for monitoring the Open stack environment- Monasca.
• Managed virtual cloud AWS, OpenStack Resources as required with an overall objective of improving scalability, performance, reliability and highly available fault tolerant cloud infrastructure. Created backups in various private clouds like OpenStack.
• Utilized CloudWatch to monitor resources such as EC2, CPU memory, Amazon RDS DB services, Dynamo DB, tables, EBS volumes; To set alarms for notification or automated actions and to monitor logs for a better understanding and operation of the system.
• Orchestrated and migrated CI/CD processes using Cloud Formation and Terraform, packer Templates and Containerized the infrastructure using Docker, which was setup in OpenShift, AWS and VPCs.
• Managed the code Repository by maintaining the code repository in TFS, perform and administer database baseline, improve practices of branching and code merge, establish process control points and configure TFS reporting suite to custom needs of development team.
• Worked on Continuous Integration (CI) workflow using Virtual Environments like Docker and kubernetes to build various containers to deploy the micro services-oriented environments for scalable applications. Implemented Twist lock for containers and application security.
• Managed AWS EC2 instances utilizing S3 and Glacier for our data archiving and long-term backup and UAT environments as well as infrastructure servers for GIT.
• Have worked with solutions architect to modify the AWS architecture so as to include cloud formation along with autoscaling so that it works as failover.
• Created EC2 instance on AWS, managed security groups, administered Amazon VPCs.
• Configured security groups at an instance level and Network ACLs at subnet level in VPC.
• Supported AWS Cloud environment with AWS instances, configured Elastic IP & Elastic Storage.
• Migrating a production infrastructure into an Amazon Web Services utilizing AWS Cloud Formation, Code Deploy, ansible, EBS, and Ops Works. written Cloud Formation templates for provisioning the AWS Resources.
• Extensively Used Jenkins as Continuous Integration tools to deploy the Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using build pack.
• Provided infrastructure automation consultation and advice in automating deployments of the Python-based critical web application to Amazon Web Services.
• Dockerized Jenkins with Master and Slave architecture in OpenShift platform and automated the build jobs.
• Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration.
• Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Administering and maintaining Atlassian products like JIRA and Confluence.
• Worked on DevOps project to migrate and automate the deployment of our existing middleware into new container management environment on Kubernetes.
• DevOps Practice for Micro Services Architecture using Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.
• Worked on Docker clustering on Mesos with Marathon.
• Working experience with Kubernetes, Mesos, Docker Swarm.
• Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Orchestrated the computing, networking and storage infrastructure of the Kubernetes cluster, utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build test and deploy.
• Automated application security scanning process using Fortify resulting in continuously updating reporting which met project deadline.
• Worked with Logstash in order to visualize key Open stack environment log metrics on Kibana (ELK).
• Used Splunk for collecting large amounts of logs and providing an interface for accessing them easily.
• Worked on monitoring tools and code coverage tools like JaCoCo, Nagios, Splunk, and Amazon Cloud Watch, SonarQube, to maintain various systems in different environments.
• Implementing a Continuous Delivery framework using AWS Code pipeline, code commit Jenkins, Maven & Nexus in Linux server's environment.
• Design DevOps monitoring solution using Hygieia Dashboard tool.
• Worked on Rest based Web services and SOAP web services for WSO2 ESB sequeces..
• Built a new CI pipeline for testing and deployment automation with Docker, Jenkins, and Ansible.
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS nodes and Tested Playbooks on AWS instances using Python. Run Ansible Scripts to Provide Dev Servers.
• Used Ansible galaxy for Documentation and References and creating Ansible playbook and Deploying on nodes and Ansible Tower to manage Multiple Nodes and Manage Inventory for different Environments.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manage the changes.
• Installed & configured Jenkins master that managed 34 different slaves supporting 8 different applications with various release life cycles and multiple CI pipelines setup on the project branches.
• Developed PowerShell scripts for automation of the build and release process and managed Maven project dependencies by creating parent-child relationships between projects.
• Expert at designing and architecting Micro Services, Cloud-native applications using Spring Boot, Spring Cloud (Config Server, Eureka Server, Hytrix Circuit Breaker, Ribbon Load Balancer) and Spring Cloud Data Flow.
• Developed build and deployment scripts using MAVEN as build tools in Jenkins to move from one environment to other environments.
• Involved in Orchestrating Docker with Mesos/Marathon. Developed auto container to automate containerization of new and existing applications as well as deployment and management of complex run time environment like Kubernetes.
• Written scripts from scratch to create AWS infrastructure using languages such as BASH and Python, created Lambda functions to upload code and to check changes in S3, DynamoDB table.
• Worked on GIT which includes developing branches, staging branches, master, push, pull requests and code reviews are performed.
• Configured Git with Jenkins and schedule jobs using POLL SCM option and integrated to automate the code checkout process.
• Created local, virtual repositories in Jfrog Artifactory and integrated with Jenkins

Environment: AWS, Azure, OpenStack, GIT, Jenkins, SonarQube, Java/J2EE, ANT, Maven, Docker, Mesos, Kubernetes, Twist lock, MySQL, NoSQL Database, WebLogic, Python, Shell Scripts, XML, UNIX, Linux(RHEL), Ansible, Stash, PowerShell, Windows XP, Oracle, Confluence, Hygieia, JFrog, bitbucket, JIRA.

Confidential, NC

Cloud/ DevOps Engineer

Responsibilities:

• Configured and deployed Azure Automation Scripts for a multiple application utilizing the Azure stack (Including Compute, Web & Mobile, Blobs, ADF, Resource Groups, Azure Data Lake, HDInsight Clusters, Azure Data Factory, Azure SQL, Cloud Services, and ARM), Services and Utilities focusing on Automation.
• Migrated infrastructure and application from on premise to Azure and from Cloud to Cloud such as AWS to Microsoft Azure.
• Worked on Azure Fabric, Microservices & Docker containers in Azure and involved in setting up Terraform continuous build integration system.
• Created JSON based Azure Resource Manager (ARM) templates, used them for deployments and managed Azure Virtual Networks (VNETs), Storage Containers, Document DBs, Cosmos DBs and monitored logs using KUDU.
• Configured Azure Multi-Factor Authentication (MFA) as a part of Azure AD Premium to securely authenticate users and worked on creating custom Azure templates for quick deployments and advanced PowerShell scripting.
• Using Docker and setting Azure Container Registry with Docker and Docker-compose and actively involved in deployments on Docker using Kubernetes.
• Worked on Provisioning of IAAS & PAAS Virtual Machines and Web/Worker roles on Microsoft Azure Classic and Resource Manager and troubleshooting issues on Azure VMs.
• Collaborated in the automation of Azure infrastructure via Terraform and Jenkins - software and services configuration.
• Developed an project with Kubernetes to manage a cluster of Linux containers, running Docker containers across multiple hosts.
• Serve as the primary SME on Azure services including DRaas, SaaS, PaaS and IaaS while contributing architecture decisions for our ongoing migration efforts. researched and codified the Kafka Consumer using Kafka Consumer API 0.10 and KafkaProducer API 0.10(Java); designed the Spark Streaming and KafkaProducer interfaces - for multithreaded partitions and multiple topics by smartphone manufacturer device type; competitive analysis of Storm, Spark, Flink, Samza for processing
• Built a solution that integrates .NET MVC, Web API, SharePoint Online, Office 365, SharePoint Add-Ins, and Aspose.
• Implemented a process for a continuous deployment environment including automated builds and unit testing using VSTS.
• Implementing infrastructure on new AWS systems and migration of existing Linux and Windows based infrastructure to Azure and automated using Terraform, Cloud Formation Templates.
• Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration.
• Deployed various databases and applications using Kubernetes cluster management some of the services are reddis, nodejs app, nginx etc.
• Developed an event based distributed messaging platform on Red Hat OpenShift Container Platform wherein systems can subscribe to various business events generated and take suitable actions based on Business Rules.
• Created Docker Images using a Docker File. Worked on Docker container snapshots, removing images and managing Docker Volumes and experienced with Docker container service.
• Worked on writing XSLT functions for WSO2 API publisher.
• Responsible for CI/CD process implementation with Jenkins. Getting the list of issues from the components (Project, module, file, etc.) with the help of SonarQube and responsible for up gradation of SonarQube using upgrade center.
• Integrated Jenkins with Ant, Maven, GIT Hub, SonarQube, Nexus. Testing frameworks like JUnit, Selenium, Soap UI, cucumber. I have also set up build pipeline and delivery pipeline. Also Used Nagios, Splunk, and New Relic tool for Monitoring.
• Utilized chef for configuration management of hosted instances within AWS. Implemented Chef Recipes for Deployment to build on internal Data Centre Servers. Also re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 instances.
• Have performed database builds and deployments using Octopus Deploy.
• Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal and for various DB configurations to modularize and optimize end-product configuration.
• Orchestrated and migrated CI/CD processes using Cloud Formation and Terraform, packer Templates and Containerized the infrastructure using Docker, which was setup in OpenShift, AWS and VPCs.
• Developing custom Integrations with Splunk and Amazon web services.
• Involved in the migration of Bamboo Server, Artifactory and GIT Server from on prem to Azure and also have migrated projects from ANT to Maven using plugins.
• Created the initial and subsequence POCs for Drools as well as from Log4Jrules, also compared and contracted the Java API for creating the logical business request and response payload and error handling.
• Used Spring framework for dependency injection, transaction management.
• Designing of microservices based on spring boot architecture running on tomcat application server.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Artifactory and Maven to schedule the builds. Took the sole responsibility to maintain the CI Jenkins server.
• Involved in developing custom scripts using Python, JSON, Ruby, PowerShell, Perl, Shell (bash, ksh) to automate jobs.
• Used build automation tool called Maven which is installed with Jenkins on chef server and in java projects for the creation of build artifacts on the source code.
• Building and provisioning Glance images, install/configure software: Jenkins, Mesos, Kubernetes, Docker swarm, Docker compose.
• Firmware Build Process support using "Team City" CI server.
• Implemented a build and test system using Team City
• Team city automation for build release process and testing using build scripts.
• Designed, developed data integration programs in Hadoop environments with NoSQL data store Cassandra for data access and analysis.
• Maintained and administered GIT source code tool. Created Branches, Labels and performed merges in GIT. Created Secured central repositories by using the AWS service Code commit. Integrated with AWS identity and access management.
• Installation of Oracle on Linux and Solaris, creating a database, creating Oracle users, etc.

Environment: AWS (Auto Scaling, Cloud Formation, ELB, Lambda, RDS, EC2 S3, VPC, Cloud Watch, Cloud Formation, AMI, Subnets, ELK), Docker, Kubernetes, VMware, GIT, Maven, Jenkins, Chef, Azure, Terraform, Python, PowerShell, Shell Scripting, Java, Json, MySQL, Dynamo DB, Oracle DB, Linux, Splunk, JIRA.

Confidential

DevOps Engineer

Responsibilities:

• Involved in implementing various software release strategies for various applications according to Agile process.
• Performed Branching, Tagging, Merging and release activities in various version control tools such as GIT, SVN according to environment.
• Performed SVN to GIT/Bit Bucket migration and managed branching strategies using GIT workflow and Managed User access control, Triggers, workflows, hooks, security and repository control in Bit Bucket/GIT.
• Connected continuous integration system ( Jenkins ) with GIT version control repository and Continually build as the check-in's come from the developer. Defined branching and merging strategies.
• Create, maintain and administrating GitHub and subversion repositories as source code managements.
• Generated ansible docs using from GitHub sources using sphinix and worked on the configuration of the .xml files.
• Linux kernel memory upgrades and swap area. RedHat Linux kickstart installations Sun Solaris Jump start installation.
• Wrote Python scripts for automated backup-ups and Cron jobs.
• Involved in designing and implementation of MVC design pattern using Spring framework for Web-tier.
• Responsible for Building the JAVA and J2EE applications by using POM.XML in maven by adding all the dependencies required.
• Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.
• Worked with development team to migrate Ant scripts to Maven.
• Dockerized Jenkins with Master and Slave architecture in OpenShift platform and automated the build jobs.
• Created Jenkins pipelines involving several Downstream/Upstream job configurations based on dependencies from other applications & based on Release methodologies.
• Created a deployment procedure utilizing Jenkins CI to run the unit tests, build documentation using Natural Docs, and create RPM packages for installation and setup the application and its dependencies. Took sole responsibility to maintain the Jenkins server.
• Implemented Jenkins as a full cycle continuous delivery tool involving package creation, distribution and deployment onto tomcat application servers via shell scripts embedded into Jenkins jobs.
• Setup and Implement Continuous Integration and Continuous Delivery (CI & CD) Process stack using AWS, CloudFoundary, GITHUB/GIT, Jenkins, SonarQube , Nexus, Docker, and Chef.
• Created local, virtual repositories in JFrog Artifactory and integrated with Jenkins.
• Maintained Artifacts in binary repositories using JFrog Arifactory and pushed new Artifacts by configuring the Jenkins project Jenkins Artifactory plugin .
• Maintained JIRA for tracking and updating project defects and tasks.
• Worked on the installation and configuration of the monitoring tool Nagios , updated monitoring parameter with active and passive check and monitored network devices and reviewed network logs to identify potential problems.
• Implemented the use of Nagios tool for monitoring and analyzing the network loads on the individual machines by enforcing custom Nagios to exhibit various metrics using Shell scripting and add-ons.
• Developed utilities including templates and configuration for Nagios and basic system configuration. Wrote custom plugins for Nagios.
• Expertise to analyze and correlate events through Splunk search strings and operational strings.
• Worked with Splunk admin to manage authentication breach across applications, monitor server's stats.
• Used Chef as configuration management tool and created Chef cookbooks using custom recipes to automate system operations.
• Test Chef cookbook modifications on various platforms using test kitchen and Chef spec and push them to Chef server.
• Used Ruby scripting and Chef DSL to create Chef cookbooks and Chef Recipes comprising all resources, default and custom attributes, templates, Databags.
• Responsible for large-scale Puppet implementation and maintenance. Puppet manifests creation, testing and implementation.
• Worked on configuring and monitoring distributed and multiple platform servers using Puppet. Used Puppet server and workstation to manage and configure agents.
• Created custom modules using Puppet Purge and set up the compliance for one of the client I worked.
• Create Jenkins pipeline jobs for Puppet release process for module deployment, using Kanban Agile methodology for puppet development.
• Involved in several production implementations and managed deployment processes via Document Management System(DMS) and Puppet.
• Integrated JaCoCo with Jenkins to check code coverage and generating the reports based on the coverage percentage of the Line, Branch and Method etc.
• Worked on automating the system maintenance activities like OS patching, DB Patching, security updates using the ruby and shell scripts.
• Proficient in managing the source code control of multiple development efforts using, Subversion (SVN), GIT, Bitbucket and Knowledge on TFS (Team Foundation Server) and CVS.
• Experienced in authoring pom.xml, build.xml files performing releases with the Maven, ANT release plugin, and managing artifacts in sonatype NEXUS, JFrog Artifactory.
• Worked on variety of Linux platforms RedHat Linux, Solaris which includes installation, configuring and maintenance of applications on this environment.

Environment: Chef, Puppet, Jenkins, ASG, ELB, ANT, Maven, Python, Shell, Nagios, CloudWatch, JFrog, IAM, RDS, VPC, GIT, SVN, Docker, Jira, Agile, VMware, Vagrant, Virtual Box, RedHat, Ubuntu, SonarQube, JaCoCo, JFrog,

Confidential

System Administrator

Responsibilities:

• Installation, Configuration, Upgradation and administration of Sun Solaris, RedHat Linux. User account management and support.
• Jumpstart & Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
• Responsible for configuring and managing Squid server in Linux. Configuration and Administration of NIS environment.
• Involved in Installing and configuring of NFS. Extensive use of Korn shell, Bash for scripting.
• Trouble-shooting the system and end-user issues. Responsible for configuring real-time backup of web servers. Implemented SUDO, SSH, and other security tools.
• Expertise in Linux backup/ restores with tar including disk partitioning and formatting.
• The log file was managed for troubleshooting and probable errors. Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Document solutions for any issues that have not been discovered previously.
• Update SQL databases to maintain and ensure data integrity within a store/server.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Involved in development of customized Web applications on top of Orion, Spring, and Build Frameworks using Web technologies like JSP, Servlets and JavaScript .
• Successfully installed and configured NAGIOS monitoring system to monitor the production server environment.
• Create file transfer server for customer data exchange and automated network permissions, maintained User & File System quota on Redhat Linux.
• Worked with DBAs on an installation of RDBMS database, restoration and log generation. Installed and set up Oracle9i on Linux for the development team.
• Written necessary bash shell scripts to automate processes using crontab, install and upgrade software.
• Provided 24/7 on call support on Linux production servers and responsible for maintaining security on RedHat Linux environment.

Environment: SunSolaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, RHEL 3.x, KickStart, DNS, DHCP, TCP/IP, RIP, FTP, TFTP, Terminal Services, SMTP, NFS, NIS, NIS+, Microsoft, Windows 95/98/2000/XP/2003, Linux, VMware workstation, Virtual box, XEN, RED HAT.

Confidential

Linux Administrator

Responsibilities:

• Installed, Configurated and Managed RedHat Enterprise Linux 5.x, Windows Server 2003 Active Directory.
• Involved in Installing, configuring and maintaining application Servers like WebSphere and Web servers like Web Logic, Apache, HTTP and Tomcat on UNIX and Linux.
• Worked on setting up NIC bonding on Linux Enterprise servers for high availability, redundancy and Increased bandwidth.
• Wrote UNIX shell scripts for automated installations, to extract logs using Bash, Perl, and Python.
• Managed users, groups and permissions, configured LDAP and given SUDO Access in test and development servers and allowed password less logins for authorized users on servers.
• Developed Linux, UNIX, Perl and Shell Scripts and AWT programming for manual deployment of the code to various environments.
• Installed and configured the necessary packages using the RPM & YUM software/package management.
• Installing Red Hat Linux using kick-start and applying security policies for hardening the server based on the company policies.
• Involved in developing dynamic web-based user interfaces using HTML and JavaScript.
• Assisted project management team with design issues, troubleshoot technical issues, rotating on-call pager, Install OS patches, NFS mounts and Automount.
• Administered and supported application servers, responsibilities included troubleshooting and monitoring servers using Nagios.
• Installing and configuring SSH (Secure Shell) encryption to access securely on Ubuntu and Red hat Linux.
• Setting up user and group login ID's, printing parameters, network configuration, password, resolving permissions and access related issues via ACL.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP, VSFTP and DHCP.
• Worked in setting up LDAP, DNS, DHCP Server along with effective group and System Level policies and roaming profile features by using Samba and NFS servers.
• Installed, configured, performance tuning, security, backup, recovery and upgrade/patches of Linux and UNIX servers using Crontab.

Environment: RedHat Enterprise Linux 5.x, YUM, RPM, User & Group management, Bash, Firewall, Apache, Volume Groups, LVM, NFS, FTP, SAMBA, SSH, DHCP, DNS, VERITAS Cluster Server(VCS), Windows Server 2003 Active Directory, Kickstart server, TCP/IP, IP addressing &Subnetting, routing, Nagios .