PROFESSIONAL SUMMARY:

• Technocrat with 7+ years of experience in IT industry as System Administrator, DevOps Engineering, Cloud Engineer, Build and Release Management, VMware and Production Support of various applications on Red Hat Enterprise Linux, CentOS, Debian, Ubuntu and have skilled experience on Windows Server 2008 - R2/2012- R2/2016 on various hardware platforms and AWS/Azure cloud services.
• Extensively worked with various AWS services like EC2, S3, RDS, EBS, VPC, IAM, ELB, NACL, SQS, SNS, SES, Cloud Watch, Cloud Formation, Cloud Front, Elastic Bean Stack, Route53, Security Groups, Route Tables, Lambda and several other services of AWS family and in depth practical knowledge on other cloud services like Azure, GCP.
• Hands-on experience in Migrating On-premises applications and data onto AWS Cloud, leveraging the usage of different services available on AWS like AWS Direct Connect, S3 Transfer Acceleration, AWS Snowball Edge, Server migration service and Data Base migration service with Live Migration of applications implementing Hybrid Migration Strategy.
• Proficient in automating the process of launching and stopping/terminating EC2 instances on Amazon AWS with BOTO3 and used Python fabric for AWS instance provisioning.
• Designed and distributed Data across all the Nodes and Clusters on different availability zones in AWS Redshift and experience in automating the infrastructure using Terraform in AWS console.
• Strong experience in creating and maintaining highly scalable and fault tolerant AWS environments spanning across multiple Availability zones using Terraform and CloudFormation JSON Templates.
• Good knowledge on services that are available in Google Cloud Platform (GCP) such as Cloud Compute, Cloud Storage, VPC, CLB, Google Transfer Applications and Google Kubernetes Engine (GKE) etc.
• Good understanding of OpenShift platform in managing Docker containers and Kubernetes Clusters .
• Proficient in creating, running and managing pods in cluster through the usage of Kubernetes and deployed Microservices based applications.
• Experience in creating, developing and testing environments for different applications by provisioning Kubernetes clusters on AWS using Docker, Ansible, and Terraform.
• Experienced in creating private Cloud using Kubernetes that supports Dev, Stage, POC and PROD Environments.
• Expertise in Working on Rolling updates using Deployment in Kubernetes to implement Blue/green Deployment strategy and Canary Deployment for maintaining less downtime
• Expertise in container management using Docker by creating custom Docker Images from Docker files and set up the auto build on Docker HUB and maintained Docker Registry.
• Worked to set up Jenkins service inside the docker swarm cluster to reduce the failover downtime to minutes and to automate the docker containers deployment without using configuration management tool.
• Extensively used Kubernetes and Docker for the runtime environment for the CI/CD system to build, test, and deploy.
• Proficient in using Configuration Management tool, Ansible Tower and Ansible for deploying applications and proactively manage change by writing Python code by using Ansible Python API to automate Cloud Deployment Process.
• Skillful in writing Ansible playbooks to automate the existing master/nodes and launching of AWS EC2 instances on Amazon Linux, Ubuntu and RHEL.
• Performed application Deployments & Environment configuration using Ansible, Chef, and Puppet and treating Infrastructure as Code. Automate the installation of ELK agent with Ansible playbook.
• Expertise in using Chef for Infrastructure as Code (IaC), configuring chef server which includes bootstrapping of chef-client nodes for provisioning and created custom cookbooks, recipes and testing cookbooks using Food critic and running recipes on nodes by setting up CRON Jobs for automating the process.
• Extensively worked on managing the OS/Applications/Services/Packages with Chef as well as AWS EC2/S3/Route53 & ELB with Chef Cookbooks and wrote Recipes inside Cookbooks and uploading them to Chef-Server.
• Proficient in developing Puppet module for Automation using a combination of Puppet Master, R10K Wrapper, Git Enterprise, Open stack(Horizon), Vagrant and Simple UI (Jenkins).
• Hands on experience on Jenkins, Hudson, Bamboo and GITLAB for Continuous Integration and End-to-End automation for all build and deployments. Implemented CI/CD tools for Upgradation, Backup, LDAP, SSL setup and RestoreDNS.
• Responsible for installation & configuration of Jenkins with Plugins to support various Java based files (War) builds and automated the continuous builds in publishing Docker images into Nexus repository & Artifactory
• Utilizing Jenkins Cloud Bees for enterprise scale infrastructure configuration and application deployments checking out code from SVN/GIT and use ANT/Maven to Build war/jar artifacts and Creating SonarQube reporting dashboard to run the analysis for every project. Experience in using Nexus and Artifactory Repository Managers for Maven builds.
• Extensively worked on source code management tools like GIT, SVN, Bitbucket and GITLAB.
• Written templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Created analytical matrices reports, dash boards for release services based on JIRA tickets.
• Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, SOA, Apache Tomcat, Jboss and UNIX.
• Expertise in installation, configuration and administration of VMware ESX/ESXi 4.x, 5.x & 6.x and various tools like VCenter, vSphere, and migration of the existing servers from physical to virtual VMware environment.
• Hands on experience in setting up CD environment with focus on UDeploy and setup UDeploy server along with automated scripts to back up the server and restore from backup for disaster recovery.
• Working knowledge of Azure fabric, IoT& Docker containers in Azure and involved in setting up of Terraform continuous build integration system.
• Good knowledge on integration of unit tests, code quality analysis tools like JUnit, SonarQube and Veracode, Selenium.
• Deployed code through web application servers like WebLogic, Apache Tomcat, Jboss and Jetty and having strong knowledge on source controller concepts like Branches, Merges and Tags.
• Experienced in Creating and managing User accounts, Groups, Profiles, Security, Disk space and Process monitoring in Debian and RedHat Linux.
• Wrote scripts in Shell, Perl, Ruby, Python and bash to automate the builds, daily tasks and infrastructure activities.
• Expertise on Open source monitoring tools like Nagios and Splunk and logging tool ELK, to health check the various deployed resources and services on Linux/Unix environments.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, SCRUM, Waterfall methodologies.
• Strong analytical and problem-solving skills always striving for new knowledge. A person with multi-tasking and organizational skills and high ethical standards.
• Excellent communicator and interpersonal skills, ability to work independently as well as part of an integrated team.

TECHNICAL SKILLS:

Cloud Technologies: AWS, Microsoft Azure, Google Cloud

Build/Automation Tools: Ansible, Chef, Puppet, SaltStack, Ant, Maven,Grade, Jenkins, UDeploy

Scripting Languages: Shell, Bash, Perl, Python, Groovy

Operating Systems: RHEL/CentOS 5.x/6.x/7, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, Windows Server 2003/2008R2/2012/2016.

Web/App Server: Apache, Tomcat, Nginx, Web Logic, WebSphere Application Server, Jboss, LAMP, Jetty

Databases: MySQL, MongoDB, Cassandra, Versant, SQL Server, Oracle.

Project Tracking/Bug Tracking Tools: Service NOW, JIRA, Crucible, Rally, Remedy, IBM Clear Quest, Bugzilla, HP Quality Centre.

Version Control Tools: GIT, GITHUB, Tortoise SVN, Visual SVN, BitBucket

Networking: DNS, DHCP, TCP/IP, SMTP, LDAP

Monitoring Tools: Nagios, Splunk, ELK Stack, APP Dynamics, Dynatrace.

Virtualization/Container: Docker, Kubernetes, Mesosphere, VMware vSphere 5.5/6.0/6.5

Web Technologies/Programming Languages: Servlets, JDBC, JSP, XML, HTML, .Net, Java Script, Java/J2EE, C, C++, SQL, PLSQL

Repository Management Tools: Nexus, JFrog, Archiva

PROFESSIONAL EXPERIENCE:

Confidential, Plano, TX

Automation DevOps Engineer

Responsibilities:

• Part of the migration development team from on premises to cloud infrastructure, and automation through the usage of Ansible tool.
• Worked on Microsoft Azure cloud to provide IaaS support to client and created custom virtual machine (instances) though PowerShell scripts and Azure portal.
• Provided high availability for IaaS instances and PaaS role instances for access from other services in the Vnet with Azure internal load balancer.
• Migrated moderate workloads from on premise to Azure IaaS and published web services API’s using Azure API management service.
• Responsible for the development of playbook for installation, configuring, and modifying Linux and windows instances.
• Worked with Ansible playbooks for carrying out the builds and deployments on various environments.
• Written Ansible playbooks in the regular Modular standard coding and then migrated to variable based coding.
• Integrated python and shell scripts with playbooks for customization of manual installation instructions of software’s.
• Worked on Managing the Private Cloud Environment using Ansible and Enhanced the automation to assist, repeat and consist configuration management using Ansible based YAML scripts.
• Wrote Ansible playbooks from scratch in YAML. Installing, setting up & Troubleshooting Ansible, created and automated platform environment setup.
• Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Extensively worked on Ansible for automating the infrastructure, Shell and Python scripts to automate setting up of the DevOps services and any day-to-day system administration tasks.
• Experience in building new application and deployment through Ansible and managing them in production environment.
• Worked on creation of Ansible manifest files to install tomcat instances and to manage configuration files for multiple applications.
• Responsible for automated identification of application server and database server using Ansible Scripts
• Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
• Worked on Chocolatey tool on windows platform through usage of PowerShell and Choco commands.
• Created Choco package and implemented with the playbooks for the windows configurations on Servers.
• Established SSH connection with ansible master and other inventories, and Winrm connection for the windows.
• Created custom modules according to the requirements of configuring and installing of software.
• Developed and modified templates through jinija2.
• Built complex automated deployment through usage of configuration management technology in Ansible Tower.
• Responsible for deployment of all playbook in the AWX through customizing the AWX fields.
• Continuous integration (CI) using Jenkins for automated deployment of builds to various environments.
• Implemented build jobs and written scripts in YAML, Python, and shells, integrated them in source code control tool subversion/GIT.
• Used GitLab as source code repositories and resolved merge and tagging conflicts.
• Coordinated and collaborated with the DevOps team in implementation of the workflow in Atlassian Jira to deal with the issues and maintain user’s stories and tracking the performance metric of the current development of playbook.
• Created custom templates for use within Confluence and document development of environment.

Environment: Azure Cloud, Ansible, AWX, Jira, confluence, Maven, Jenkins, Git, GitHub, Unix/Linux, Python Scripting, Apache-Tomcat, Oracle11g, Choco package, Putty, Shell Script, Ngnix, SQL, Ubntu, RedHat, Windows 2012/2016 Server.

Confidential, Melbourne, FL

Cloud/ DevOps Engineer

Responsibilities:

• Maintenance of Infrastructure and Operations involving designing and deploying services utilizing the AWS stack including EC2, EBS, S3, VPC, RDS, SES, ELB, Auto scaling, Cloud Front, Cloud Formation, Elastic Cache, Cloud Watch, SNS and Route 53.
• Provisioned and maintained Amazon AWS server provisioning through configuration tool Ansible, including the provisioning of the instances, ELBs, DNS, along with contribution of code to the Jenkins-AWS module on GitHub as part of this.
• Delivered solutions to improve Cloud architecture deployment for AWS Private and Public Cloud. Managed multiple AWS accounts with multiple VPC’s for both production and non-prod where primary objectives included automation, build out, integration and cost control.
• Performed AWS CLI Auto Scaling and Cloud Watch Monitoring creation and designed AWS Cloud Formation templates to create customized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Created Lambda Functions to test the data consistency in S3 by using hashing and directed consequent results to respective SNS topics. Experienced in utilizing the AWS Cloud Formation, AWS OpsWorks, Code Deploy to migrate the on-premise environment to AWS cloud.
• Integrated Jenkins with various DevOps tools such as GitHub, Maven, Nexus, Artifactory, SonarQube, Ansible for a Continuous Integration and Delivery environment and used CI/CD system of Jenkins on Kubernetes container environment.
• Configured Jenkins to perform automated creation of the Docker images by encapsulating successfully built war file from Nexus repository. Updated the services running on AWS ECS cluster by triggering Lambda functions in Python.
• Created featured, develop, release branches in GitHub for different application to support releases and CI builds and good working experience in managing Binary repository like Nexus/Artifactory for the Maven artifacts and dependencies.
• Migrating infrastructure and applications from on premise to cloud and from Cloud to Cloud such as AWS to Microsoft Azure and GCP.
• Leveraged GCP cloud services such as Compute, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Used GCP App Engine for deploying and scaling web applications and services developed with Java.
• Setup GCP Firewall rules to allow or deny traffic to and from the VM's instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.
• Integrated Jenkins with repositories like GitHub to build Automation tool (Maven) and artifact repository for pushing successful build code.
• Developed new pom.xml for new Maven build and supported development team to migrate Ant scripts to Maven and worked on authoring pom.xml files.
• Developed container support for cloud environments, deployed the applications in Docker Containers and managed the containers in enterprise level, creating Docker Container Snapshots, removing images and managing Docker volumes.
• Worked with Docker and Kubernetes on multiple cloud providers, helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud.
• Created private cloud using Kubernetes and managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and managed releases of Helm packages.
• Extensively worked on Ansible for automating the infrastructure, Shell and Python scripts to automate setting up of the DevOps services and any day-to-day system administration tasks.
• Created Ansible manifests and modules to automate system operations, created monitors, alarms and notifications for EC2 hosts using cloud watch and defined Ansible master to manage and configure nodes.
• Used Terraform to create an execution plan to build the infrastructure as a service and maintain code versions.
• Changed the existing Terraform templates to Cloud Formation Templates for use in AWS environment.
• Involved in performance tuning, security, backup, recovery and capacity planning of WebSphere Application server, Red hat, Jboss Eap 6.x/5.x and Apache tomcat 8.x/7.x/6.x
• Worked on Web server and WebLogic consoles for non-critical fixes. Troubleshooting for different kinds of failures in WebLogic Servers, immediate fixture of the issue and performing root cause analysis on many of them.
• Deployed applications on multiple WebLogic Servers, setting up the Development, Testing and Production environments, maintained load balancing, high availability and experienced in applying patches and plugins for WebLogic Application Server.
• Experienced in configuring WebLogic servers in a Cluster solution for High Availability, Load balancing and fail over support.
• Proficient in deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments of WebLogic Server and JBoss Application server.
• Developed automated infrastructure using scripting in Python (core) to deploy and manage Java applications across Linux servers and customization of existing Python scripts of some of the internal applications.
• Installation and management of network related services like TCP/IP, FTP, SSH, DNS, TELENT, HTTP, HTTPS, LOAD BALANCING, VPN, FIREWALL, SUBNETS, SMTP, CDN.

Environment: Maven, Jenkins, AWS Cloud, GCP, Ansible, Shell, Python, Weblogic server, VMware, Apache tomcat, Load balancer, VPC, Elastic Beanstalk, Docker, Docker Containers, Kubernetes, Jboss, Nagios, MobaXterm, Rally, MYSQL, Oracle and Versant Databases.

Confidential, Tampa, FL

Build and Release Engineer

Responsibilities:

• Build and release the java applications to DEV, Test, Pre-Prod and Prod Environments using the tools such as ANT, Maven and Jenkins
• Integrated the JUnit and SonarQube plugin to Jenkins to publish the test result report and code quality check-up and uploaded the Artifact/Binaries to the Nexus Binary Repository Manager and Artifactory after every successful build from Maven/Ant.
• Successfully integrated Jenkins with the continuous management tool Chef to pick up the WAR, JAR Build files from nexus repository and deploy in apache tomcat environments.
• Written Ruby DSL on Chef Automation for creating cookbooks comprising of all resources, chef data bags, templates and attributes and used Test Kitchen and Chef Spec to automatically test the chef cookbook/recipes by provisioning VAGRANT box on chef workstation.
• Installed and configured the Apache Ant in Java Eclipse IDE and written the build.xml to trigger the build and generated the jar files for enterprise applications. Triggered builds and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Successfully installed and configured Bootstrap nodes, Chef workstation and chef server and automated deployment of MySQL, Oracle, MongoDB, Apache-Tomcat server, Yum and Rpm Package installations by writing the Cookbooks.
• Implemented standard backup procedures for both application Database and WebLogic also Configured Web Server Plug-ins (APACHE, IIS 6/7 and iPlanet) for WebLogic application server.
• Installed, configured, maintaining Oracle WebLogic Apps Server 11g in various environments OS (Solaris 10.x/Linux). Oracle WebLogic environments.
• Administering WebLogic security through admin console. Manage access and roles to console. Integrating Active Directory with WebLogic.
• Managed WebLogic Server Clusters having 12 managed Servers on Cluster of Machines and Good Experience in Middleware Services JMS, SSL certificates in WebLogic.
• Involved in editing the existing ANT files in case of errors or changes according to the project requirements
• Involved in Conflict Management, Branching, forking, Configuration Management, Tagging, Cloning, Merging, Pulling, Pushing, Committing and Reverting Changes in the Source Code Management (SCM) tools like GitHub and ClearCase.
• Developed Shell and Python scripts for release and build automation using Jenkins and Maven. Manipulated the existed scripts to meet the client requirements.
• Experienced in using Elastic container services / Azure Container Services.
• Setup and maintained automated environment using Chef Recipes within AWS environment. Good understanding on Knife, Chef Bootstrap process etc.
• Experience working with chef data bags, attributes, cookbooks, recipes and templates in chef and created cron jobs for chef client to interact with chef server on time basis.
• Enabled Global Security and configured Federated Repositories with Active Directory.
• Experience fixing the release issues which are raised during the deployment.
• Experienced in converting build.xml into pom.xml to build the application using MAVEN scripts.
• Worked on converting the Java code from Java Eclipse IDE project to Maven Project, troubleshooted the pom.xml and automated the build in Jenkins by configuring the Poll SCM and Shell Scripts.
• Written Python Scripts to parse XML/JSON documents and load the data in database. Involved in writing python routines to log into the websites and fetch data for selected options.
• Coordinated with the firewall team for allowing required ports for migration and with storage team for storage allocations for new servers.

Environment: Chef, Python Scripting, PERL, ANT, Maven, Apache-Tomcat, Microsoft Azure, Amazon Web Services, configuration management tasks, Cassandra, Docker, Kubernetes, Elastic container services / Azure Container Services, Terraform, DevOps pipeline, containers and orchestration.

Confidential, Dallas, TX

Cloud/ DevOps Engineer

Responsibilities:

• Worked on AWS and EC2, VPC, Cloud watch, IAM and Elastic Beanstalk cloud for provisioning and managing infrastructure through automation.
• Deployed and configured Git repositories with branching, forks, tagging, and notifications. Experienced and proficient in deploying, administering GitHub.
• Working experience in deployment of Java applications through WebLogic/WebSphere Application servers.
• Developed Perl, Bash scripts to do data verification between Hive and Teradata databases as part of database migration.
• Implemented a Continuous Delivery framework using Jenkins and Maven in Linux environment.
• Created and maintained built wrapper scripts using PERL and Unix Shell script.
• Designing and implementing fully automated server build management, monitoring and deployment by using puppet.
• Extensive experience in VMs O/S installation, setting up VM priorities, Cloning, Creating Templates and Snapshots.
• Installed Management Server (VCenter Server) instances to enable centralized management of multiple ESXi hosts. Linked different VCenter servers using linked mode to have a single instance of vSphere client to manage the whole Virtual environment.
• Integration of Configuration Management Systems like puppet with AWS for code deployment.
• Experience in configuring Puppet Master and Puppet agents wrote manifests to update the Puppet agent using Puppet Master.
• Worked on puppet to spin up Jenkins server with all the dependencies like multiple Java versions and Jenkins dependencies.
• Setup and Configuration of Puppet Configuration Management with specific client requirement such as Create user/remove user, Install /Remove packages and package updates, Configure multi nodes.
• Designed rapid deployment method using puppet to auto deploy servers as needed. Experienced on puppet server build from scratch and writing puppet DSL to make configuration changes.
• Implemented a CI/CD framework using Jenkins, Maven & Artifactory in Linux environment and Integration of Maven/Nexus, Jenkins, Git and JIRA.
• Implemented Shell, Perl and Python scripts for release and build automation. Manipulated and automated scripts to suit the requirements.
• Created Maven POMs to automate the build process for the new projects and integrated them with third party tools like Antifactory.
• Continuously monitored the performance of the applications on the production environment using Nagios.
• Integrated Jenkins with repositories like Github to build Automation tool (Maven) and artifact repository for pushing successful build code.
• Worked with development team to migrate Ant scripts to Maven and worked on authoring pom.xml files, performing releases with the Maven release plugin and managing Maven repositories.
• Developed automation scripting in Python (core) to deploy and manage Java applications across Linux servers. Worked on customization of existing Python scripts of some of the internal applications.
• Installation and management of network related services like TCP/IP, FTP, SSH, DNS, TELENT, HTTP, HTTPS, LOAD BALANCING, VPN, FIREWALL, SUBNETS, SMTP, CDN.

Environment: Maven, Jenkins, AWS Cloud, puppet, Shell, Python, JIIRA, Service now, Web logic server, VMware, Apache tomcat, Load balancer, VPC, Elastic Beanstalk, Jboss, Nagios, MobaXterm, Rally, MYSQL and Versant Databases.

Confidential

VMware Administrator

Responsibilities:

• Experienced in Installing, configuring and administrating the VMware ESXi 4.0/ESXi 4.1/ESXi5.5/ESXi5.1 and vSphere Client on Linux and Windows environments and performed the host migration from physical to virtual (VMware) Migrations using VMware VCenter Converter.
• Configured RAID 0, 1, 1+0, 5 and 6 and experienced in using the VMware Power CLI PowerShell cmdlets to automate the deployment, setup, and cleanup of Clustered environments.
• Created VMs in large scale using Kickstart images for different version of RedHat Linux Operating system like 5.x & 6.x and automated the installation using the Kickstart server.
• Installed SQL server 2012 and Oracle 11g,12c database and performed the patch management using VMware update manager for ESXi server.
• Created the filesystem using RedHat Volume Manager and performed the health check monitoring on regular basis for all Linux servers. Scanned the newly assigned LUNs to the servers and assigning them to Volume Group and increasing the filesystem using RedHat volume manager.
• Migrated VM from one LUN to the other with the use of Storage V-Motion, created standard Template from VM’s and deployed the VM’s from template and allocated resources from resource pool.
• Managed and monitored the performance of Virtual sessions, VMware servers, and server resources management between Virtual Machines. Experienced in creating the VMware Resource Pool and VMware clustering like HA and DRS clusters using VC.
• Created link aggregation (LACP) with VLAN tunneling using virtual connect (VC) and shared uplink set (SUS) using LACP & VLAN tagging.
• Installed, deployed and managed Linux RedHat Enterprise 7.x, CentOS, Ubuntu, and installed patches, packages for Red Hat Linux Servers. Configured Logical Storage Manager (LSM) for root disk encapsulation and implemented root disk mirroring for fault tolerance.
• Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
• Installed, integrated and tuned LDAP, Apache Tomcat, JBOSS, DHCP, DNS, SFTP, HTTP, NTP, NFS, WebSphere and Web logic application server. Experience in managing VMware Active directory, performed user account administration, created groups and add users to the appropriate group.
• Worked on SAN storage on ESXI servers and assigning the LUNs to the virtual machines running on the ESXi server.

Environment: VMware VCenter, SRM, VConverter, vDS, VSphere, ESX, VMware View 4.0, VMwareUpdate Manager 5.1, EXSi 4.0, VCenter Single Sign-On, View Ad, View Connection server, Thin Direct, ThinApp Converter, converter, Plate spin Power Converter.

Confidential

Jr. System Administrator

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris 2.7/8 Managing SUN Solaris, Compaq and Linux workstations and servers.
• Installation of patches and other software packages Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for another flavor of UNIX.
• Managed Disk File Systems, server Performance, Users Creation and granted file access Permissions.
• Created groups, added Users ID to a group as a primary or secondary group, removing Users ID from a group as well as adding users in Sudoers file.
• Involved in creating logical volumes, backups, managed large hard disk farms and resized disk partitions using Logical Volume Manager (LVM) commands on Red hat Linux.
• Configuration of Hardware and Software RAID on Digital & Sun Servers.
• Extensively worked with the LAN/WAN routing and switching for Internet and Intranet connectivity using different protocols like TCP/IP, UDP, DHCP, HTTP/s, FTP & SMTP.
• Performed tasks on F5 load balancer like installing and renewing SSL certificates and bouncing servers with performance issues after taking them out of the server pools.
• Involved in developing custom scripts using Shell (bash, ksh) to automate jobs.
• Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
• Implemented password less (SSH) authentication between servers.
• Used Disk management utilities tools daily for file system creation and file system management.
• Worked in Qmail MTA Installation and Configuration.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application.
• Experience in BIOS UPGRADE and OS installations, configurations, and maintenance.
• Production support of Apache, PHP, My SQL, Tomcat including installation, configuration, management and troubleshooting.
• Monitoring day-to-day administration and maintenance operations of the company network and systems working on Linux and Solaris Systems.

Environment: Red hat Linux 4,5, Sun Solaris, Switches, VMware ESX, Oracle, Apache Web Server 1.3.x, 2.2.x, Sun Java System Web server 6.0, Veritas Volume Manager 4.1, 5, BigIP F5, Oracle 9i, DNS, NFS, SunT2000, M5000, v480, v8